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chunker-player / chunker_streamer / chunker_streamer.c @ 6c6667da

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/*
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 *  Copyright (c) 2009-2011 Carmelo Daniele, Dario Marchese, Diego Reforgiato, Giuseppe Tropea
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 *  Copyright (c) 2010-2011 Csaba Kiraly
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 *  developed for the Napa-Wine EU project. See www.napa-wine.eu
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 *
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 *  This is free software; see lgpl-2.1.txt
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 */
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#include "chunker_streamer.h"
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#include <signal.h>
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#include <math.h>
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#include <getopt.h>
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#include <libswscale/swscale.h>
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#include <libavutil/opt.h>
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#ifdef USE_AVFILTER
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#include <libavfilter/avfilter.h>
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#include "chunker_filtering.h"
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#endif
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#include "chunk_pusher.h"
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struct outstream {
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        struct output *output;
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        ExternalChunk *chunk;
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        AVCodecContext *pCodecCtxEnc;
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};
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#define QUALITYLEVELS_MAX 9
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struct outstream outstream[1+QUALITYLEVELS_MAX+1];
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int qualitylevels = 1;
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int indexchannel = 0;
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int passthrough = 0;
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#define DEBUG
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#define DEBUG_AUDIO_FRAMES  false
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#define DEBUG_VIDEO_FRAMES  false
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#define DEBUG_CHUNKER false
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#define DEBUG_ANOMALIES true
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#define DEBUG_TIMESTAMPING false
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#include "dbg.h"
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#define STREAMER_MAX(a,b) ((a>b)?(a):(b))
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#define STREAMER_MIN(a,b) ((a<b)?(a):(b))
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//#define DISPLAY_PSNR
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#define GET_PSNR(x) ((x==0) ? 0 : (-10.0*log(x)/log(10)))
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ChunkerMetadata *cmeta = NULL;
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int seq_current_chunk = 1; //chunk numbering starts from 1; HINT do i need more bytes?
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#define AUDIO_CHUNK 0
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#define VIDEO_CHUNK 1
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void SaveFrame(AVFrame *pFrame, int width, int height);
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void SaveEncodedFrame(Frame* frame, uint8_t *video_outbuf);
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int update_chunk(ExternalChunk *chunk, Frame *frame, uint8_t *outbuf);
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void bit32_encoded_push(uint32_t v, uint8_t *p);
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int video_record_count = 0;
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int savedVideoFrames = 0;
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long int firstSavedVideoFrame = 0;
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int ChunkerStreamerTestMode = 0;
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int pts_anomaly_threshold = -1;
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int newtime_anomaly_threshold = -1;
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bool timebank = false;
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char *outside_world_url = NULL;
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int gop_size = 25;
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int max_b_frames = 3;
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bool vcopy = false;
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long delay_audio = 0; //delay audio by x millisec
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char *avfilter="yadif";
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// Constant number of frames per chunk
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int chunkFilledFramesStrategy(ExternalChunk *echunk, int chunkType)
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{
80
        dcprintf(DEBUG_CHUNKER, "CHUNKER: check if frames num %d == %d in chunk %d\n", echunk->frames_num, cmeta->framesPerChunk[chunkType], echunk->seq);
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        if(echunk->frames_num == cmeta->framesPerChunk[chunkType])
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                return 1;
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84
        return 0;
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}
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// Constant size. Note that for now each chunk will have a size just greater or equal than the required value
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// It can be considered as constant size.
89
int chunkFilledSizeStrategy(ExternalChunk *echunk, int chunkType)
90
{
91
        dcprintf(DEBUG_CHUNKER, "CHUNKER: check if chunk size %d >= %d in chunk %d\n", echunk->payload_len, cmeta->targetChunkSize, echunk->seq);
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        if(echunk->payload_len >= cmeta->targetChunkSize)
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                return 1;
94
        
95
        return 0;
96
}
97

    
98
// Performace optimization.
99
// The chunkFilled function has been splitted into two functions (one for each strategy).
100
// Instead of continuously check the strategy flag (which is constant),
101
// we change the callback just once according to the current strategy (look at the switch statement in the main in which this function pointer is set)
102
int (*chunkFilled)(ExternalChunk *echunk, int chunkType);
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104
void initChunk(ExternalChunk *chunk, int *seq_num) {
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        chunk->seq = (*seq_num)++;
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        chunk->frames_num = 0;
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        chunk->payload_len = 0;
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        chunk->len=0;
109
  if(chunk->data != NULL)
110
    free(chunk->data);
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        chunk->data = NULL;
112
        chunk->start_time.tv_sec = -1;
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        chunk->start_time.tv_usec = -1;
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        chunk->end_time.tv_sec = -1;
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        chunk->end_time.tv_usec = -1;
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        chunk->priority = 0;
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        chunk->category = 0;
118
        chunk->_refcnt = 0;
119
}
120

    
121
int quit = 0;
122

    
123
void sigproc()
124
{
125
        printf("you have pressed ctrl-c, terminating...\n");
126
        quit = 1;
127
}
128

    
129
static void print_usage(int argc, char *argv[])
130
{
131
  fprintf (stderr,
132
    "\nUsage:%s [options]\n"
133
    "\n"
134
    "Mandatory options:\n"
135
    "\t[-i input file]\n"
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    "\t[-a audio bitrate]\n"
137
    "\t[-v video bitrate]\n\n"
138
    "Other options:\n"
139
    "\t[-F output] (overrides config file)\n"
140
    "\t[-A audioencoder]\n"
141
    "\t[-V videoencoder]\n"
142
    "\t[-s WxH]: force video size.\n"
143
    "\t[-l]: this is a live stream.\n"
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    "\t[-o]: adjust A/V frame timestamps (deafault off, use it only with flawed containers)\n"
145
    "\t[-p]: pts anomaly threshold (default: -1=off).\n"
146
    "\t[-q]: sync anomaly threshold ((default: -1=off).\n"
147
    "\t[-t]: QoE test mode\n\n"
148

    
149
    "\t[--video_stream]:set video_stream ID in input\n"
150
    "\t[--audio_stream]:set audio_stream ID in input\n"
151
    "\t[--avfilter]:set input filter (default: yadif\n"
152
    "\t[--passthrough 0/1]: turn off/on generation of passthrough channel\n"
153
    "\t[--indexchannel 0/1]: turn off/on generation of index channel\n"
154
    "\t[--qualitylevels q]:set number of quality levels to q\n"
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    "\n"
156
    "Codec options:\n"
157
    "\t[-g GOP]: gop size\n"
158
    "\t[-b frames]: max number of consecutive b frames\n"
159
    "\t[-x extas]: extra video codec options (e.g. -x me_method=hex,flags2=+dct8x8+wpred+bpyrami+mixed_refs)\n"
160
    "\n"
161
    "=======================================================\n", argv[0]
162
    );
163
  }
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165
int sendChunk(struct output *output, ExternalChunk *chunk) {
166
#ifdef HTTPIO
167
                                                return pushChunkHttp(chunk, outside_world_url);
168
#endif
169
#ifdef TCPIO
170
                                                return pushChunkTcp(output, chunk);
171
#endif
172
#ifdef UDPIO
173
                                                return pushChunkUDP(chunk);
174
#endif
175
}
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177
AVFrame *preprocessFrame(AVFrame *pFrame) {
178
#ifdef USE_AVFILTER
179
        AVFrame *pFrame2 = NULL;
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        pFrame2=avcodec_alloc_frame();
181
        if(pFrame2==NULL) {
182
                fprintf(stderr, "INIT: Memory error alloc video frame!!!\n");
183
                if(pFrame2) av_free(pFrame2);
184
                return NULL;
185
        }
186
#endif
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188
#ifdef VIDEO_DEINTERLACE
189
        avpicture_deinterlace(
190
                (AVPicture*) pFrame,
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                (const AVPicture*) pFrame,
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                pCodecCtxEnc->pix_fmt,
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                pCodecCtxEnc->width,
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                pCodecCtxEnc->height);
195
#endif
196

    
197
#ifdef USE_AVFILTER
198
        //apply avfilters
199
        filter(pFrame,pFrame2);
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        dcprintf(DEBUG_VIDEO_FRAMES, "VIDEOfilter: pkt_dts %"PRId64" pkt_pts %"PRId64" frame.pts %"PRId64"\n", pFrame2->pkt_dts, pFrame2->pkt_pts, pFrame2->pts);
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        dcprintf(DEBUG_VIDEO_FRAMES, "VIDEOfilter intype %d%s\n", pFrame2->pict_type, pFrame2->key_frame ? " (key)" : "");
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        return pFrame2;
203
#else
204
        return NULL;
205
#endif
206
}
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int transcodeFrame(uint8_t *video_outbuf, int video_outbuf_size, int64_t *target_pts, AVFrame *pFrame, AVRational time_base, AVCodecContext *pCodecCtx, AVCodecContext *pCodecCtxEnc)
210
{
211
        int video_frame_size = 0;
212
        AVFrame *scaledFrame = NULL;
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        scaledFrame=avcodec_alloc_frame();
214
        if(scaledFrame==NULL) {
215
                fprintf(stderr, "INIT: Memory error alloc video frame!!!\n");
216
                if(scaledFrame) av_free(scaledFrame);
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                return -1;
218
        }
219
        int scaledFrame_buf_size = avpicture_get_size( PIX_FMT_YUV420P, pCodecCtxEnc->width, pCodecCtxEnc->height);
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        uint8_t* scaledFrame_buffer = (uint8_t *) av_malloc( scaledFrame_buf_size * sizeof( uint8_t ) );
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        avpicture_fill( (AVPicture*) scaledFrame, scaledFrame_buffer, PIX_FMT_YUV420P, pCodecCtxEnc->width, pCodecCtxEnc->height);
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        if(!video_outbuf || !scaledFrame_buffer) {
223
                fprintf(stderr, "INIT: Memory error alloc video_outbuf!!!\n");
224
                return -1;
225
        }
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228

    
229
                                            if(pCodecCtx->height != pCodecCtxEnc->height || pCodecCtx->width != pCodecCtxEnc->width) {
230
//                                                static AVPicture pict;
231
                                                static struct SwsContext *img_convert_ctx = NULL;
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233
                                                pFrame->pict_type = 0;
234
                                                img_convert_ctx = sws_getCachedContext(img_convert_ctx, pCodecCtx->width, pCodecCtx->height, PIX_FMT_YUV420P, pCodecCtxEnc->width, pCodecCtxEnc->height, PIX_FMT_YUV420P, SWS_BICUBIC, NULL, NULL, NULL);
235
                                                if(img_convert_ctx == NULL) {
236
                                                        fprintf(stderr, "Cannot initialize the conversion context!\n");
237
                                                        exit(1);
238
                                                }
239
                                                sws_scale(img_convert_ctx, pFrame->data, pFrame->linesize, 0, pCodecCtx->height, scaledFrame->data, scaledFrame->linesize);
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                                                scaledFrame->pts = pFrame->pts;
241
                                                scaledFrame->pict_type = 0;
242
                                                video_frame_size = avcodec_encode_video(pCodecCtxEnc, video_outbuf, video_outbuf_size, scaledFrame);
243
                                            } else {
244
                                                pFrame->pict_type = 0;
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                                                video_frame_size = avcodec_encode_video(pCodecCtxEnc, video_outbuf, video_outbuf_size, pFrame);
246
                                            }
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248
                                            //use pts if dts is invalid
249
                                            if(pCodecCtxEnc->coded_frame->pts!=AV_NOPTS_VALUE)
250
                                                *target_pts = av_rescale_q(pCodecCtxEnc->coded_frame->pts, pCodecCtxEnc->time_base, time_base);
251
                                            else {        //TODO: review this
252
                                                if(scaledFrame) av_free(scaledFrame);
253
                                                if(scaledFrame_buffer) av_free(scaledFrame_buffer);
254
                                                return -1;
255
                                            }
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257
                                        if(video_frame_size > 0) {
258
                                            if(pCodecCtxEnc->coded_frame) {
259
                                                dcprintf(DEBUG_VIDEO_FRAMES, "VIDEOout: pkt_dts %"PRId64" pkt_pts %"PRId64" frame.pts %"PRId64"\n", pCodecCtxEnc->coded_frame->pkt_dts, pCodecCtxEnc->coded_frame->pkt_pts, pCodecCtxEnc->coded_frame->pts);
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                                                dcprintf(DEBUG_VIDEO_FRAMES, "VIDEOout: outtype: %d%s\n", pCodecCtxEnc->coded_frame->pict_type, pCodecCtxEnc->coded_frame->key_frame ? " (key)" : "");
261
                                            }
262
#ifdef DISPLAY_PSNR
263
                                            static double ist_psnr = 0;
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                                            static double cum_psnr = 0;
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                                            static int psnr_samples = 0;
266
                                            if(pCodecCtxEnc->coded_frame) {
267
                                                if(pCodecCtxEnc->flags&CODEC_FLAG_PSNR) {
268
                                                        ist_psnr = GET_PSNR(pCodecCtxEnc->coded_frame->error[0]/(pCodecCtxEnc->width*pCodecCtxEnc->height*255.0*255.0));
269
                                                        psnr_samples++;
270
                                                        cum_psnr += ist_psnr;
271
                                                        fprintf(stderr, "PSNR: ist %.4f avg: %.4f\n", ist_psnr, cum_psnr / (double)psnr_samples);
272
                                                }
273
                                            }
274
#endif
275
                                        }
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277
        if(scaledFrame) av_free(scaledFrame);
278
        if(scaledFrame_buffer) av_free(scaledFrame_buffer);
279
        return video_frame_size;
280
}
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283
void createFrame(struct Frame *frame, long long newTime, int video_frame_size, int pict_type)
284
{
285

    
286
                                        frame->timestamp.tv_sec = (long long)newTime/1000;
287
                                        frame->timestamp.tv_usec = newTime%1000;
288
                                        frame->size = video_frame_size;
289
                                        /* pict_type maybe 1 (I), 2 (P), 3 (B), 5 (AUDIO)*/
290
                                        frame->type = pict_type;
291

    
292

    
293
/* should be on some other place
294
//                                        if (!vcopy) dcprintf(DEBUG_VIDEO_FRAMES, "VIDEO: original codec frame number %d vs. encoded %d vs. packed %d\n", pCodecCtx->frame_number, pCodecCtxEnc->frame_number, frame->number);
295
//                                        if (!vcopy) dcprintf(DEBUG_VIDEO_FRAMES, "VIDEO: duration %d timebase %d %d container timebase %d\n", (int)packet.duration, pCodecCtxEnc->time_base.den, pCodecCtxEnc->time_base.num, pCodecCtx->time_base.den);
296

297
#ifdef YUV_RECORD_ENABLED
298
                                        if(!vcopy && ChunkerStreamerTestMode)
299
                                        {
300
                                                if(videotrace)
301
                                                        fprintf(videotrace, "%d %d %d\n", frame->number, pict_type, frame->size);
302

303
                                                SaveFrame(pFrame, dest_width, dest_height);
304

305
                                                ++savedVideoFrames;
306
                                                SaveEncodedFrame(frame, video_outbuf);
307

308
                                                if(!firstSavedVideoFrame)
309
                                                        firstSavedVideoFrame = frame->number;
310

311
                                                char tmp_filename[255];
312
                                                sprintf(tmp_filename, "yuv_data/streamer_out_context.txt");
313
                                                FILE* tmp = fopen(tmp_filename, "w");
314
                                                if(tmp)
315
                                                {
316
                                                        fprintf(tmp, "width = %d\nheight = %d\ntotal_frames_saved = %d\ntotal_frames_decoded = %d\nfirst_frame_number = %ld\nlast_frame_number = %d\n"
317
                                                                ,dest_width, dest_height
318
                                                                ,savedVideoFrames, savedVideoFrames, firstSavedVideoFrame, frame->number);
319
                                                        fclose(tmp);
320
                                                }
321
                                        }
322
#endif
323
*/
324

    
325
                                        dcprintf(DEBUG_VIDEO_FRAMES, "VIDEO: encapsulated frame size:%d type:%d\n", frame->size, frame->type);
326
                                        dcprintf(DEBUG_VIDEO_FRAMES, "VIDEO: timestamped sec %ld usec:%ld\n", (long)frame->timestamp.tv_sec, (long)frame->timestamp.tv_usec);
327
}
328

    
329

    
330
void addFrameToOutstream(struct outstream *os, Frame *frame, uint8_t *video_outbuf)
331
{
332

    
333
        ExternalChunk *chunk = os->chunk;
334
        struct output *output = os->output;
335

    
336
                                        if(update_chunk(chunk, frame, video_outbuf) == -1) {
337
                                                fprintf(stderr, "VIDEO: unable to update chunk %d. Exiting.\n", chunk->seq);
338
                                                exit(-1);
339
                                        }
340

    
341
                                        if(chunkFilled(chunk, VIDEO_CHUNK)) { // is chunk filled using current strategy?
342
                                                //calculate priority
343
                                                chunk->priority /= chunk->frames_num;
344

    
345
                                                //SAVE ON FILE
346
                                                //saveChunkOnFile(chunk);
347
                                                //Send the chunk to an external transport/player
348
                                                sendChunk(output, chunk);
349
                                                dctprintf(DEBUG_CHUNKER, "VIDEO: sent chunk video %d, prio:%f, size %d\n", chunk->seq, chunk->priority, chunk->len);
350
                                                chunk->seq = 0; //signal that we need an increase
351
                                                //initChunk(chunk, &seq_current_chunk);
352
                                        }
353
}
354

    
355
long long pts2ms(int64_t pts, AVRational time_base)
356
{
357
        return pts * 1000 * time_base.num / time_base.den;
358
}
359

    
360
AVCodecContext *openVideoEncoder(const char *video_codec, int video_bitrate, int dest_width, int dest_height, AVRational time_base, const char *codec_options) {
361

    
362
        AVCodec *pCodecEnc;
363
        AVCodecContext *pCodecCtxEnc;
364

    
365
        //setup video output encoder
366
        if (strcmp(video_codec, "copy") == 0) {
367
                return NULL;
368
        }
369

    
370
        pCodecEnc = avcodec_find_encoder_by_name(video_codec);
371
        if (pCodecEnc) {
372
                fprintf(stderr, "INIT: Setting VIDEO codecID to: %d\n",pCodecEnc->id);
373
        } else {
374
                fprintf(stderr, "INIT: Unknown OUT VIDEO codec: %s!\n", video_codec);
375
                return NULL; // Codec not found
376
        }
377

    
378
        pCodecCtxEnc=avcodec_alloc_context();
379
        pCodecCtxEnc->codec_type = CODEC_TYPE_VIDEO;
380
        pCodecCtxEnc->codec_id = pCodecEnc->id;
381

    
382
        pCodecCtxEnc->bit_rate = video_bitrate;
383
        //~ pCodecCtxEnc->qmin = 30;
384
        //~ pCodecCtxEnc->qmax = 30;
385
        //times 20 follows the defaults, was not needed in previous versions of libavcodec
386
//        pCodecCtxEnc->crf = 20.0f;
387
        // resolution must be a multiple of two 
388
        pCodecCtxEnc->width = dest_width;
389
        pCodecCtxEnc->height = dest_height;
390
        // frames per second 
391
        //~ pCodecCtxEnc->time_base= pCodecCtx->time_base;//(AVRational){1,25};
392
        //printf("pCodecCtx->time_base=%d/%d\n", pCodecCtx->time_base.num, pCodecCtx->time_base.den);
393
        pCodecCtxEnc->time_base= time_base;//(AVRational){1,25};
394
        pCodecCtxEnc->gop_size = gop_size; // emit one intra frame every gop_size frames 
395
        pCodecCtxEnc->max_b_frames = max_b_frames;
396
        pCodecCtxEnc->pix_fmt = PIX_FMT_YUV420P;
397
        pCodecCtxEnc->flags |= CODEC_FLAG_PSNR;
398
        //~ pCodecCtxEnc->flags |= CODEC_FLAG_QSCALE;
399

    
400
        //some generic quality tuning
401
        pCodecCtxEnc->mb_decision = FF_MB_DECISION_RD;
402

    
403
        //some rate control parameters for streaming, taken from ffserver.c
404
        {
405
        /* Bitrate tolerance is less for streaming */
406
        AVCodecContext *av = pCodecCtxEnc;
407
        //if (av->bit_rate_tolerance == 0)        //ffmeg sets the dafult to 4M independent of other parameters, for some reason
408
            av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
409
                      (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
410
        //if (av->qmin == 0)
411
        //    av->qmin = 3;
412
        //if (av->qmax == 0)
413
        //    av->qmax = 31;
414
        //if (av->max_qdiff == 0)
415
        //    av->max_qdiff = 3;
416
        //av->qcompress = 0.5;
417
        //av->qblur = 0.5;
418

    
419
        //if (!av->nsse_weight)
420
        //    av->nsse_weight = 8;
421

    
422
        //av->frame_skip_cmp = FF_CMP_DCTMAX;
423
        //if (!av->me_method)
424
        //    av->me_method = ME_EPZS;
425
        //av->rc_buffer_aggressivity = 1.0;
426

    
427
        //if (!av->rc_eq)
428
        //    av->rc_eq = "tex^qComp";
429
        //if (!av->i_quant_factor)
430
        //    av->i_quant_factor = -0.8;
431
        //if (!av->b_quant_factor)
432
        //    av->b_quant_factor = 1.25;
433
        //if (!av->b_quant_offset)
434
        //    av->b_quant_offset = 1.25;
435
        if (!av->rc_max_rate)
436
            av->rc_max_rate = av->bit_rate * 1;
437

    
438
        if (av->rc_max_rate && !av->rc_buffer_size) {
439
            av->rc_buffer_size = av->rc_max_rate;
440
        }
441
        }
442
        //end of code taken fromffserver.c
443

    
444
  switch (pCodecEnc->id) {
445
    case CODEC_ID_H264 :
446
        // Fast Profile
447
        // libx264-fast.ffpreset preset 
448
        pCodecCtxEnc->coder_type = FF_CODER_TYPE_AC; // coder = 1 -> enable CABAC
449
        pCodecCtxEnc->flags |= CODEC_FLAG_LOOP_FILTER; // flags=+loop -> deblock
450
        pCodecCtxEnc->me_cmp|= 1; // cmp=+chroma, where CHROMA = 1
451
        pCodecCtxEnc->partitions |= X264_PART_I8X8|X264_PART_I4X4|X264_PART_P8X8|X264_PART_B8X8;        // partitions=+parti8x8+parti4x4+partp8x8+partb8x8
452
        pCodecCtxEnc->me_method=ME_HEX; // me_method=hex
453
        pCodecCtxEnc->me_subpel_quality = 6; // subq=7
454
        pCodecCtxEnc->me_range = 16; // me_range=16
455
        //pCodecCtxEnc->gop_size = 250; // g=250
456
        //pCodecCtxEnc->keyint_min = 25; // keyint_min=25
457
        pCodecCtxEnc->scenechange_threshold = 40; // sc_threshold=40
458
        pCodecCtxEnc->i_quant_factor = 0.71; // i_qfactor=0.71
459
        pCodecCtxEnc->b_frame_strategy = 1; // b_strategy=1
460
        pCodecCtxEnc->qcompress = 0.6; // qcomp=0.6
461
        pCodecCtxEnc->qmin = 10; // qmin=10
462
        pCodecCtxEnc->qmax = 51; // qmax=51
463
        pCodecCtxEnc->max_qdiff = 4; // qdiff=4
464
        //pCodecCtxEnc->max_b_frames = 3; // bf=3
465
        pCodecCtxEnc->refs = 2; // refs=3
466
        //pCodecCtxEnc->directpred = 1; // directpred=1
467
        pCodecCtxEnc->directpred = 3; // directpred=1 in preset -> "directpred", "direct mv prediction mode - 0 (none), 1 (spatial), 2 (temporal), 3 (auto)"
468
        //pCodecCtxEnc->trellis = 1; // trellis=1
469
        pCodecCtxEnc->flags2 |= CODEC_FLAG2_BPYRAMID|CODEC_FLAG2_MIXED_REFS|CODEC_FLAG2_WPRED|CODEC_FLAG2_8X8DCT|CODEC_FLAG2_FASTPSKIP;        // flags2=+bpyramid+mixed_refs+wpred+dct8x8+fastpskip
470
        pCodecCtxEnc->weighted_p_pred = 2; // wpredp=2
471

    
472
        // libx264-main.ffpreset preset
473
        //pCodecCtxEnc->flags2|=CODEC_FLAG2_8X8DCT;
474
        //pCodecCtxEnc->flags2^=CODEC_FLAG2_8X8DCT; // flags2=-dct8x8
475
        //pCodecCtxEnc->crf = 22;
476

    
477
#ifdef STREAMER_X264_USE_SSIM
478
        pCodecCtxEnc->flags2 |= CODEC_FLAG2_SSIM;
479
#endif
480

    
481
        //pCodecCtxEnc->weighted_p_pred=2; //maps wpredp=2; weighted prediction analysis method
482
        // pCodecCtxEnc->rc_min_rate = 0;
483
        // pCodecCtxEnc->rc_max_rate = video_bitrate*2;
484
        // pCodecCtxEnc->rc_buffer_size = 0;
485
        break;
486
    case CODEC_ID_MPEG4 :
487
        break;
488
    default:
489
        fprintf(stderr, "INIT: Unsupported OUT VIDEO codec: %s!\n", video_codec);
490
  }
491

    
492
  if ((av_set_options_string(pCodecCtxEnc, codec_options, "=", ",")) < 0) {
493
    fprintf(stderr, "Error parsing options string: '%s'\n", codec_options);
494
    return NULL;
495
  }
496

    
497
  if(avcodec_open(pCodecCtxEnc, pCodecEnc)<0) {
498
    fprintf(stderr, "INIT: could not open OUT VIDEO codecEnc\n");
499
    return NULL; // Could not open codec
500
  }
501

    
502
 return pCodecCtxEnc;
503
}
504

    
505

    
506
int main(int argc, char *argv[]) {
507
        signal(SIGINT, sigproc);
508
        
509
        int i=0,j,k;
510

    
511
        //output variables
512
        uint8_t *video_outbuf = NULL;
513
        int video_outbuf_size, video_frame_size;
514
        uint8_t *audio_outbuf = NULL;
515
        int audio_outbuf_size, audio_frame_size;
516
        int audio_data_size;
517

    
518
        //numeric identifiers of input streams
519
        int videoStream = -1;
520
        int audioStream = -1;
521

    
522
//        int len1;
523
        int frameFinished;
524
        //frame sequential counters
525
        int contFrameAudio=1, contFrameVideo=0;
526
//        int numBytes;
527

    
528
        //command line parameters
529
        int audio_bitrate = -1;
530
        int video_bitrate = -1;
531
        char *audio_codec = "mp2";
532
        char *video_codec = "mpeg4";
533
        char *codec_options = "";
534
        int live_source = 0; //tells to sleep before reading next frame in not live (i.e. file)
535
        int offset_av = 0; //tells to compensate for offset between audio and video in the file
536
        
537
        //a raw buffer for decoded uncompressed audio samples
538
        int16_t *samples = NULL;
539
        //a raw uncompressed video picture
540
        AVFrame *pFrame1 = NULL;
541

    
542
        AVFormatContext *pFormatCtx;
543
        AVCodecContext  *pCodecCtx = NULL ,*aCodecCtxEnc = NULL ,*aCodecCtx = NULL;
544
        AVCodec         *pCodec = NULL ,*aCodec = NULL ,*aCodecEnc = NULL;
545
        AVPacket         packet;
546

    
547
        //stuff needed to compute the right timestamps
548
        short int FirstTimeAudio=1, FirstTimeVideo=1;
549
        short int pts_anomalies_counter=0;
550
        short int newtime_anomalies_counter=0;
551
        long long newTime=0, newTime_audio=0, newTime_video=0, newTime_prev=0;
552
        struct timeval lastAudioSent = {0, 0};
553
        int64_t ptsvideo1=0;
554
        int64_t ptsaudio1=0;
555
        int64_t last_pkt_dts=0, delta_video=0, delta_audio=0, last_pkt_dts_audio=0, target_pts=0;
556

    
557
        //Napa-Wine specific Frame and Chunk structures for transport
558
        Frame *frame = NULL;
559
        ExternalChunk *chunkaudio = NULL;
560
        
561
        char av_input[1024];
562
        int dest_width = -1;
563
        int dest_height = -1;
564
        
565
        static struct option long_options[] =
566
        {
567
                {"audio_stream", required_argument, 0, 0},
568
                {"video_stream", required_argument, 0, 0},
569
                {"avfilter", required_argument, 0, 0},
570
                {"indexchannel", required_argument, 0, 0},
571
                {"passthrough", required_argument, 0, 0},
572
                {"qualitylevels", required_argument, 0, 'Q'},
573
                {0, 0, 0, 0}
574
        };
575
        /* `getopt_long' stores the option index here. */
576
        int option_index = 0, c;
577
        int mandatories = 0;
578
        while ((c = getopt_long (argc, argv, "i:a:v:A:V:s:lop:q:tF:g:b:d:x:Q:", long_options, &option_index)) != -1)
579
        {
580
                switch (c) {
581
                        case 0: //for long options
582
                                if( strcmp( "audio_stream", long_options[option_index].name ) == 0 ) { audioStream = atoi(optarg); }
583
                                if( strcmp( "video_stream", long_options[option_index].name ) == 0 ) { videoStream = atoi(optarg); }
584
                                if( strcmp( "avfilter", long_options[option_index].name ) == 0 ) { avfilter = strdup(optarg); }
585
                                if( strcmp( "indexchannel", long_options[option_index].name ) == 0 ) { indexchannel = atoi(optarg); }
586
                                if( strcmp( "passthrough", long_options[option_index].name ) == 0 ) { passthrough = atoi(optarg); }
587
                                break;
588
                        case 'i':
589
                                sprintf(av_input, "%s", optarg);
590
                                mandatories++;
591
                                break;
592
                        case 'a':
593
                                sscanf(optarg, "%d", &audio_bitrate);
594
                                mandatories++;
595
                                break;
596
                        case 'v':
597
                                sscanf(optarg, "%d", &video_bitrate);
598
                                mandatories++;
599
                                break;
600
                        case 'A':
601
                                audio_codec = strdup(optarg);
602
                                break;
603
                        case 'V':
604
                                video_codec = strdup(optarg);
605
                                break;
606
                        case 's':
607
                                sscanf(optarg, "%dx%d", &dest_width, &dest_height);
608
                                break;
609
                        case 'l':
610
                                live_source = 1;
611
                                break;
612
                        case 'o':
613
                                offset_av = 1;
614
                                break;
615
                        case 't':
616
                                ChunkerStreamerTestMode = 1;
617
                                break;
618
                        case 'p':
619
                                sscanf(optarg, "%d", &pts_anomaly_threshold);
620
                                break;
621
                        case 'q':
622
                                sscanf(optarg, "%d", &newtime_anomaly_threshold);
623
                                break;
624
                        case 'F':
625
                                outside_world_url = strdup(optarg);
626
                                break;
627
                        case 'g':
628
                                sscanf(optarg, "%d", &gop_size);
629
                                break;
630
                        case 'b':
631
                                sscanf(optarg, "%d", &max_b_frames);
632
                                break;
633
                        case 'd':
634
                                sscanf(optarg, "%ld", &delay_audio);
635
                                break;
636
                        case 'x':
637
                                codec_options = strdup(optarg);
638
                                break;
639
                        case 'Q':
640
                                sscanf(optarg, "%d", &qualitylevels);
641
                                if (qualitylevels > QUALITYLEVELS_MAX) {
642
                                        fprintf(stderr,"Too many quality levels: %d (max:%d)\n", qualitylevels, QUALITYLEVELS_MAX);
643
                                        return -1;
644
                                }
645
                                break;
646
                        default:
647
                                print_usage(argc, argv);
648
                                return -1;
649
                }
650
        }
651
        
652
        if(mandatories < 3) 
653
        {
654
                print_usage(argc, argv);
655
                return -1;
656
        }
657

    
658
#ifdef YUV_RECORD_ENABLED
659
        if(ChunkerStreamerTestMode)
660
        {
661
                DELETE_DIR("yuv_data");
662
                CREATE_DIR("yuv_data");
663
                //FILE* pFile=fopen("yuv_data/streamer_out.yuv", "w");
664
                //fclose(pFile);
665
        }
666
#endif
667

    
668
#ifdef TCPIO
669
        static char peer_ip[16];
670
        static int peer_port;
671
        int res = sscanf(outside_world_url, "tcp://%15[0-9.]:%d", peer_ip, &peer_port);
672
        if (res < 2) {
673
                fprintf(stderr,"error parsing output url: %s\n", outside_world_url);
674
                return -2;
675
        }
676

    
677
        for (i=0; i < (passthrough?1:0) + qualitylevels + (indexchannel?1:0); i++) {
678
                outstream[i].output = initTCPPush(peer_ip, peer_port+i);
679
                if (!outstream[i].output) {
680
                        fprintf(stderr, "Error initializing output module, exiting\n");
681
                        exit(1);
682
                }
683
        }
684
#endif
685

    
686
restart:
687
        // read the configuration file
688
        cmeta = chunkerInit();
689
        if (!outside_world_url) {
690
                outside_world_url = strdup(cmeta->outside_world_url);
691
        }
692
        switch(cmeta->strategy)
693
        {
694
                case 1:
695
                        chunkFilled = chunkFilledSizeStrategy;
696
                        break;
697
                default:
698
                        chunkFilled = chunkFilledFramesStrategy;
699
        }
700
                
701
        if(live_source)
702
                fprintf(stderr, "INIT: Using LIVE SOURCE TimeStamps\n");
703
        if(offset_av)
704
                fprintf(stderr, "INIT: Compensating AV OFFSET in file\n");
705

    
706
        // Register all formats and codecs
707
        av_register_all();
708

    
709
        // Open input file
710
        if(av_open_input_file(&pFormatCtx, av_input, NULL, 0, NULL) != 0) {
711
                fprintf(stdout, "INIT: Couldn't open video file. Exiting.\n");
712
                exit(-1);
713
        }
714

    
715
        // Retrieve stream information
716
        if(av_find_stream_info(pFormatCtx) < 0) {
717
                fprintf(stdout, "INIT: Couldn't find stream information. Exiting.\n");
718
                exit(-1);
719
        }
720

    
721
        // Dump information about file onto standard error
722
        av_dump_format(pFormatCtx, 0, av_input, 0);
723

    
724
        // Find the video and audio stream numbers
725
        for(i=0; i<pFormatCtx->nb_streams; i++) {
726
                if(pFormatCtx->streams[i]->codec->codec_type==CODEC_TYPE_VIDEO && videoStream<0) {
727
                        videoStream=i;
728
                }
729
                if(pFormatCtx->streams[i]->codec->codec_type==CODEC_TYPE_AUDIO && audioStream<0) {
730
                        audioStream=i;
731
                }
732
        }
733

    
734
        if(videoStream==-1 || audioStream==-1) {        // TODO: refine to work with 1 or the other
735
                fprintf(stdout, "INIT: Didn't find audio and video streams. Exiting.\n");
736
                exit(-1);
737
        }
738

    
739
        fprintf(stderr, "INIT: Num streams : %d TBR: %d %d RFRAMERATE:%d %d Duration:%ld\n", pFormatCtx->nb_streams, pFormatCtx->streams[videoStream]->time_base.num, pFormatCtx->streams[videoStream]->time_base.den, pFormatCtx->streams[videoStream]->r_frame_rate.num, pFormatCtx->streams[videoStream]->r_frame_rate.den, (long int)pFormatCtx->streams[videoStream]->duration);
740

    
741
        fprintf(stderr, "INIT: Video stream has id : %d\n",videoStream);
742
        fprintf(stderr, "INIT: Audio stream has id : %d\n",audioStream);
743

    
744

    
745
        // Get a pointer to the codec context for the input video stream
746
        pCodecCtx=pFormatCtx->streams[videoStream]->codec;
747
        pCodec = avcodec_find_decoder(pCodecCtx->codec_id);
748
        //extract W and H
749
        fprintf(stderr, "INIT: Width:%d Height:%d\n", pCodecCtx->width, pCodecCtx->height);
750

    
751
        // Get a pointer to the codec context for the input audio stream
752
        if(audioStream != -1) {
753
                aCodecCtx=pFormatCtx->streams[audioStream]->codec;
754
                fprintf(stderr, "INIT: AUDIO Codecid: %d channels %d samplerate %d\n", aCodecCtx->codec_id, aCodecCtx->channels, aCodecCtx->sample_rate);
755
        }
756

    
757
        // Figure out size
758
        dest_width = (dest_width > 0) ? dest_width : pCodecCtx->width;
759
        dest_height = (dest_height > 0) ? dest_height : pCodecCtx->height;
760

    
761
        //initialize outstream structures
762
        for (i=0; i < (passthrough?1:0) + qualitylevels + (indexchannel?1:0); i++) {
763
                outstream[i].chunk = (ExternalChunk *)malloc(sizeof(ExternalChunk));
764
                if(!outstream[i].chunk) {
765
                        fprintf(stderr, "INIT: Memory error alloc chunk!!!\n");
766
                        return -1;
767
                }
768
                outstream[i].chunk->data = NULL;
769
                outstream[i].chunk->seq = 0;
770
                dcprintf(DEBUG_CHUNKER, "INIT: chunk video %d\n", outstream[i].chunk->seq);
771
                outstream[i].pCodecCtxEnc = NULL;
772
        }
773
        if (passthrough) outstream[0].pCodecCtxEnc = NULL;
774
        for (i=(passthrough?1:0),j=1,k=1; i < (passthrough?1:0) + qualitylevels; i++) {
775
                outstream[i].pCodecCtxEnc = openVideoEncoder(video_codec, video_bitrate/j, (dest_width/k/2)*2, (dest_height/k/2)*2, pCodecCtx->time_base, codec_options);        // (w/2)*2, since libx264 requires width,height to be even
776
                if (!outstream[i].pCodecCtxEnc) {
777
                        return -1;
778
                }
779
                j*=3;        //reduce bitrate to 1/3
780
                k*=2;        //reduce dimensions to 1/2
781
        }
782
        if (indexchannel) {
783
                outstream[(passthrough?1:0) + qualitylevels].pCodecCtxEnc = openVideoEncoder(video_codec, 50000, 160, 120, pCodecCtx->time_base, codec_options);
784
                if (!outstream[(passthrough?1:0) + qualitylevels].pCodecCtxEnc) {
785
                        return -1;
786
                }
787
        }
788

    
789
        //fprintf(stderr, "INIT: VIDEO timebase OUT:%d %d IN: %d %d\n", outstream[1].pCodecCtxEnc->time_base.num, outstream[1].pCodecCtxEnc->time_base.den, pCodecCtx->time_base.num, pCodecCtx->time_base.den);
790

    
791
        if(pCodec==NULL) {
792
                fprintf(stderr, "INIT: Unsupported IN VIDEO pcodec!\n");
793
                return -1; // Codec not found
794
        }
795
        if(avcodec_open(pCodecCtx, pCodec)<0) {
796
                fprintf(stderr, "INIT: could not open IN VIDEO codec\n");
797
                return -1; // Could not open codec
798
        }
799
        if(audioStream!=-1) {
800
                //setup audio output encoder
801
                aCodecCtxEnc = avcodec_alloc_context();
802
                aCodecCtxEnc->bit_rate = audio_bitrate; //256000
803
                aCodecCtxEnc->sample_fmt = SAMPLE_FMT_S16;
804
                aCodecCtxEnc->sample_rate = aCodecCtx->sample_rate;
805
                aCodecCtxEnc->channels = aCodecCtx->channels;
806
                fprintf(stderr, "INIT: AUDIO bitrate OUT:%d sample_rate:%d channels:%d\n", aCodecCtxEnc->bit_rate, aCodecCtxEnc->sample_rate, aCodecCtxEnc->channels);
807

    
808
                // Find the decoder for the audio stream
809
                aCodec = avcodec_find_decoder(aCodecCtx->codec_id);
810
                aCodecEnc = avcodec_find_encoder_by_name(audio_codec);
811
                if(aCodec==NULL) {
812
                        fprintf(stderr,"INIT: Unsupported acodec!\n");
813
                        return -1;
814
                }
815
                if(aCodecEnc==NULL) {
816
                        fprintf(stderr,"INIT: Unsupported acodecEnc!\n");
817
                        return -1;
818
                }
819
        
820
                if(avcodec_open(aCodecCtx, aCodec)<0) {
821
                        fprintf(stderr, "INIT: could not open IN AUDIO codec\n");
822
                        return -1; // Could not open codec
823
                }
824
                if(avcodec_open(aCodecCtxEnc, aCodecEnc)<0) {
825
                        fprintf(stderr, "INIT: could not open OUT AUDIO codec\n");
826
                        return -1; // Could not open codec
827
                }
828
        }
829
        else {
830
                fprintf(stderr,"INIT: NO AUDIO TRACK IN INPUT FILE\n");
831
        }
832

    
833
        // Allocate audio in and out buffers
834
        samples = (int16_t *)av_malloc(AVCODEC_MAX_AUDIO_FRAME_SIZE);
835
        if(samples == NULL) {
836
                fprintf(stderr, "INIT: Memory error alloc audio samples!!!\n");
837
                return -1;
838
        }
839
        audio_outbuf_size = STREAMER_MAX_AUDIO_BUFFER_SIZE;
840
        audio_outbuf = av_malloc(audio_outbuf_size);
841
        if(audio_outbuf == NULL) {
842
                fprintf(stderr, "INIT: Memory error alloc audio_outbuf!!!\n");
843
                return -1;
844
        }
845

    
846
        // Allocate video in frame and out buffer
847
        pFrame1=avcodec_alloc_frame();
848
        if(pFrame1==NULL) {
849
                fprintf(stderr, "INIT: Memory error alloc video frame!!!\n");
850
                return -1;
851
        }
852
        video_outbuf_size = STREAMER_MAX_VIDEO_BUFFER_SIZE;
853
        video_outbuf = av_malloc(video_outbuf_size);
854

    
855
        //allocate Napa-Wine transport
856
        frame = (Frame *)malloc(sizeof(Frame));
857
        if(!frame) {
858
                fprintf(stderr, "INIT: Memory error alloc Frame!!!\n");
859
                return -1;
860
        }
861

    
862
        //create empty first audio chunk
863

    
864
        chunkaudio = (ExternalChunk *)malloc(sizeof(ExternalChunk));
865
        if(!chunkaudio) {
866
                fprintf(stderr, "INIT: Memory error alloc chunkaudio!!!\n");
867
                return -1;
868
        }
869
  chunkaudio->data=NULL;
870
        chunkaudio->seq = 0;
871
        //initChunk(chunkaudio, &seq_current_chunk);
872
        dcprintf(DEBUG_CHUNKER, "INIT: chunk audio %d\n", chunkaudio->seq);
873

    
874
#ifdef HTTPIO
875
        /* initialize the HTTP chunk pusher */
876
        initChunkPusher(); //TRIPLO
877
#endif
878

    
879
        long sleep=0;
880
        struct timeval now_tv;
881
        struct timeval tmp_tv;
882
        long long lateTime = 0;
883
        long long maxAudioInterval = 0;
884
        long long maxVDecodeTime = 0;
885
//        unsigned char lastIFrameDistance = 0;
886

    
887
#ifdef UDPIO
888
        static char peer_ip[16];
889
        static int peer_port;
890
        int res = sscanf(outside_world_url, "udp://%15[0-9.]:%d", peer_ip, &peer_port);
891
        if (res < 2) {
892
                fprintf(stderr,"error parsing output url: %s\n", outside_world_url);
893
                return -2;
894
        }
895
        
896
        initUDPPush(peer_ip, peer_port);
897
#endif
898
        
899
        char videotrace_filename[255];
900
        char psnr_filename[255];
901
        sprintf(videotrace_filename, "yuv_data/videotrace.log");
902
        sprintf(psnr_filename, "yuv_data/psnrtrace.log");
903
        FILE* videotrace = fopen(videotrace_filename, "w");
904
        FILE* psnrtrace = fopen(psnr_filename, "w");
905

    
906
#ifdef USE_AVFILTER
907
        //init AVFilter
908
        avfilter_register_all();
909
        init_filters(avfilter, pCodecCtx);
910
#endif
911

    
912
        //main loop to read from the input file
913
        while((av_read_frame(pFormatCtx, &packet)>=0) && !quit)
914
        {
915
                //detect if a strange number of anomalies is occurring
916
                if(ptsvideo1 < 0 || ptsvideo1 > packet.dts || ptsaudio1 < 0 || ptsaudio1 > packet.dts) {
917
                        pts_anomalies_counter++;
918
                        dctprintf(DEBUG_ANOMALIES, "READLOOP: pts BASE anomaly detected number %d (a:%"PRId64" v:%"PRId64" dts:%"PRId64")\n", pts_anomalies_counter, ptsaudio1, ptsvideo1, packet.dts);
919
                        if(pts_anomaly_threshold >=0 && live_source) { //reset just in case of live source
920
                                if(pts_anomalies_counter > pts_anomaly_threshold) {
921
                                        dctprintf(DEBUG_ANOMALIES, "READLOOP: too many pts BASE anomalies. resetting pts base\n");
922
                                        av_free_packet(&packet);
923
                                        goto close;
924
                                }
925
                        }
926
                }
927

    
928
                //newTime_video and _audio are in usec
929
                //if video and audio stamps differ more than 5sec
930
                if( newTime_video - newTime_audio > 5000000 || newTime_video - newTime_audio < -5000000 ) {
931
                        newtime_anomalies_counter++;
932
                        dctprintf(DEBUG_ANOMALIES, "READLOOP: NEWTIME audio video differ anomaly detected number %d (a:%lld, v:%lld)\n", newtime_anomalies_counter, newTime_audio, newTime_video);
933
                }
934

    
935
                if(newtime_anomaly_threshold >=0 && newtime_anomalies_counter > newtime_anomaly_threshold) {
936
                        if(live_source) { //restart just in case of live source
937
                                dctprintf(DEBUG_ANOMALIES, "READLOOP: too many NEGATIVE TIMESTAMPS anomalies. Restarting.\n");
938
                                av_free_packet(&packet);
939
                                goto close;
940
                        }
941
                }
942

    
943
                // Is this a packet from the video stream?
944
                if(packet.stream_index==videoStream)
945
                {
946
                        if(!live_source)
947
                        {
948
                                if(audioStream != -1) { //take this "time bank" method into account only if we have audio track
949
                                        // lateTime < 0 means a positive time account that can be used to decode video frames
950
                                        // if (lateTime + maxVDecodeTime) >= 0 then we may have a negative time account after video transcoding
951
                                        // therefore, it's better to skip the frame
952
                                        if(timebank && (lateTime+maxVDecodeTime) >= 0)
953
                                        {
954
                                                dcprintf(DEBUG_ANOMALIES, "\n\n\t\t************************* SKIPPING VIDEO FRAME %ld ***********************************\n\n", sleep);
955
                                                av_free_packet(&packet);
956
                                                continue;
957
                                        }
958
                                }
959
                        }
960
                        
961
                        gettimeofday(&tmp_tv, NULL);
962
                        
963
                        //decode the video packet into a raw pFrame
964

    
965
                        if(avcodec_decode_video2(pCodecCtx, pFrame1, &frameFinished, &packet)>0)
966
                        {
967
                                AVFrame *pFrame;
968
                                pFrame = pFrame1;
969

    
970
                                // usleep(5000);
971
                                dctprintf(DEBUG_VIDEO_FRAMES, "VIDEOin pkt: dts %"PRId64" pts %"PRId64" pts-dts %"PRId64"\n", packet.dts, packet.pts, packet.pts-packet.dts );
972
                                dcprintf(DEBUG_VIDEO_FRAMES, "VIDEOdecode: pkt_dts %"PRId64" pkt_pts %"PRId64" frame.pts %"PRId64"\n", pFrame->pkt_dts, pFrame->pkt_pts, pFrame->pts);
973
                                dcprintf(DEBUG_VIDEO_FRAMES, "VIDEOdecode intype %d%s\n", pFrame->pict_type, pFrame->key_frame ? " (key)" : "");
974

    
975
                                if(frameFinished)
976
                                { // it must be true all the time else error
977
                                        AVFrame *pFrame2 = NULL;
978

    
979
                                        frame->number = ++contFrameVideo;
980

    
981

    
982

    
983
                                        dcprintf(DEBUG_VIDEO_FRAMES, "VIDEO: finished frame %d dts %"PRId64" pts %"PRId64"\n", frame->number, packet.dts, packet.pts);
984
                                        if(frame->number==0) {
985
                                                if(packet.dts==AV_NOPTS_VALUE)
986
                                                {
987
                                                        //a Dts with a noPts value is troublesome case for delta calculation based on Dts
988
                                                        contFrameVideo = STREAMER_MAX(contFrameVideo-1, 0);
989
                                                        av_free_packet(&packet);
990
                                                        continue;
991
                                                }
992
                                                last_pkt_dts = packet.dts;
993
                                                newTime = 0;
994
                                        }
995
                                        else {
996
                                                if(packet.dts!=AV_NOPTS_VALUE) {
997
                                                        delta_video = packet.dts-last_pkt_dts;
998
                                                        last_pkt_dts = packet.dts;
999
                                                }
1000
                                                else if(delta_video==0)
1001
                                                {
1002
                                                        //a Dts with a noPts value is troublesome case for delta calculation based on Dts
1003
                                                        contFrameVideo = STREAMER_MAX(contFrameVideo-1, 0);
1004
                                                        av_free_packet(&packet);
1005
                                                        continue;
1006
                                                }
1007
                                        }
1008
                                        dcprintf(DEBUG_VIDEO_FRAMES, "VIDEO: deltavideo : %d\n", (int)delta_video);
1009

    
1010
                                        //set initial timestamp
1011
                                        if(FirstTimeVideo && pFrame->pkt_pts>0) {
1012
                                                if(offset_av) {
1013
                                                        ptsvideo1 = pFrame->pkt_pts;
1014
                                                        FirstTimeVideo = 0;
1015
                                                        dcprintf(DEBUG_VIDEO_FRAMES, "VIDEO: SET PTS BASE OFFSET %"PRId64"\n", ptsvideo1);
1016
                                                } else { //we want to compensate audio and video offset for this source
1017
                                                        //maintain the offset between audio pts and video pts
1018
                                                        //because in case of live source they have the same numbering
1019
                                                        if(ptsaudio1 > 0) //if we have already seen some audio frames...
1020
                                                                ptsvideo1 = ptsaudio1;
1021
                                                        else
1022
                                                                ptsvideo1 = pFrame->pkt_pts;
1023
                                                        FirstTimeVideo = 0;
1024
                                                        dcprintf(DEBUG_VIDEO_FRAMES, "VIDEO LIVE: SET PTS BASE OFFSET %"PRId64"\n", ptsvideo1);
1025
                                                }
1026
                                        }
1027

    
1028
                                        // store timestamp in useconds for next frame sleep
1029
                                        if (pFrame->pkt_pts != AV_NOPTS_VALUE) {
1030
                                                newTime_video = pts2ms(pFrame->pkt_pts - ptsvideo1, pFormatCtx->streams[videoStream]->time_base)*1000;
1031
                                        } else {
1032
                                                newTime_video = pts2ms(pFrame->pkt_dts - ptsvideo1, pFormatCtx->streams[videoStream]->time_base)*1000;        //TODO: a better estimate is needed
1033
                                        }
1034
                                        dcprintf(DEBUG_VIDEO_FRAMES, "Setting v:%lld\n", newTime_video);
1035

    
1036
                                        if(passthrough) {        //copy channel
1037
                                                video_frame_size = packet.size;
1038
                                                if (video_frame_size > video_outbuf_size) {
1039
                                                        fprintf(stderr, "VIDEO: error, outbuf too small, SKIPPING\n");;
1040
                                                        av_free_packet(&packet);
1041
                                                        continue;
1042
                                                } else {
1043
                                                        memcpy(video_outbuf, packet.data, video_frame_size);
1044
                                                }
1045

    
1046
                                                if (pFrame->pkt_pts != AV_NOPTS_VALUE) {
1047
                                                        target_pts = pFrame->pkt_pts;
1048
                                                }else {        //TODO: review this
1049
                                                        target_pts = pFrame->pkt_dts;
1050
                                                }
1051
                                                createFrame(frame, pts2ms(target_pts - ptsvideo1, pFormatCtx->streams[videoStream]->time_base), video_frame_size, 
1052
                                                    pFrame->pict_type);
1053
                                                addFrameToOutstream(&outstream[0], frame, video_outbuf);
1054
                                        }
1055

    
1056
                                        if (pFrame->pkt_pts != AV_NOPTS_VALUE) {
1057
                                                pFrame->pts = av_rescale_q(pFrame->pkt_pts, pFormatCtx->streams[videoStream]->time_base, outstream[(passthrough?1:0)].pCodecCtxEnc->time_base);
1058
                                        } else {        //try to figure out the pts //TODO: review this
1059
                                                if (pFrame->pkt_dts != AV_NOPTS_VALUE) {
1060
                                                        pFrame->pts = av_rescale_q(pFrame->pkt_dts, pFormatCtx->streams[videoStream]->time_base, outstream[(passthrough?1:0)].pCodecCtxEnc->time_base);
1061
                                                }
1062
                                        }
1063

    
1064
                                        pFrame2 = preprocessFrame(pFrame);
1065
                                        if (pFrame2) pFrame = pFrame2;
1066

    
1067
                                        for (i=(passthrough?1:0); i < (passthrough?1:0) + qualitylevels + (indexchannel?1:0); i++) {
1068
                                                video_frame_size = transcodeFrame(video_outbuf, video_outbuf_size, &target_pts, pFrame, pFormatCtx->streams[videoStream]->time_base, pCodecCtx, outstream[i].pCodecCtxEnc);
1069
                                                if (video_frame_size <= 0) {
1070
                                                        av_free_packet(&packet);
1071
                                                        contFrameVideo = STREAMER_MAX(contFrameVideo-1, 0);
1072
                                                        continue;        //TODO: this seems wrong, continuing the internal cycle
1073
                                                }
1074
                                                createFrame(frame, pts2ms(target_pts - ptsvideo1, pFormatCtx->streams[videoStream]->time_base), video_frame_size,
1075
                                                    (unsigned char)outstream[i].pCodecCtxEnc->coded_frame->pict_type);
1076
                                                addFrameToOutstream(&outstream[i], frame, video_outbuf);
1077
                                        }
1078

    
1079

    
1080
                                        //compute how long it took to encode video frame
1081
                                        gettimeofday(&now_tv, NULL);
1082
                                        long long usec = (now_tv.tv_sec-tmp_tv.tv_sec)*1000000;
1083
                                        usec+=(now_tv.tv_usec-tmp_tv.tv_usec);
1084
                                        if(usec > maxVDecodeTime)
1085
                                                maxVDecodeTime = usec;
1086

    
1087
                                        //we DONT have an audio track, so we compute timings and determine
1088
                                        //how much time we have to sleep at next VIDEO frame taking
1089
                                        //also into account how much time was needed to encode the current
1090
                                        //video frame
1091
                                        //all this in case the video source is not live, i.e. not self-timing
1092
                                        //and only in case there is no audio track
1093
                                        if(audioStream == -1) {
1094
                                                if(!live_source) {
1095
                                                        if(newTime_prev != 0) {
1096
                                                                //how much delay between video frames ideally
1097
                                                                long long maxDelay = newTime_video - newTime_prev;
1098
                                                                sleep = (maxDelay - usec);
1099
                                                                dcprintf(DEBUG_ANOMALIES,"\tmaxDelay=%ld\n", ((long)maxDelay));
1100
                                                                dcprintf(DEBUG_ANOMALIES,"\tlast video frame interval=%ld; sleep time=%ld\n", ((long)usec), ((long)sleep));
1101
                                                        }
1102
                                                        else
1103
                                                                sleep = 0;
1104

    
1105
                                                        //update and store counters
1106
                                                        newTime_prev = newTime_video;
1107

    
1108
                                                        //i can also sleep now instead of at the beginning of
1109
                                                        //the next frame because in this case we only have video
1110
                                                        //frames, hence it would immediately be the next thing to do
1111
                                                        if(sleep > 0) {
1112
                                                                dcprintf(DEBUG_TIMESTAMPING,"\n\tREADLOOP: going to sleep for %ld microseconds\n", sleep);
1113
                                                                usleep(sleep);
1114
                                                        }
1115

    
1116
                                                }
1117
                                        }
1118
                                        if(pFrame2) av_free(pFrame2);
1119
                                }
1120
                        }
1121
                } else if(packet.stream_index==audioStream) {
1122
                        if(sleep > 0)
1123
                        {
1124
                                dcprintf(DEBUG_TIMESTAMPING, "\n\tREADLOOP: going to sleep for %ld microseconds\n", sleep);
1125
                                usleep(sleep);
1126
                        }
1127
                        
1128
                        audio_data_size = AVCODEC_MAX_AUDIO_FRAME_SIZE;
1129
                        //decode the audio packet into a raw audio source buffer
1130
                        if(avcodec_decode_audio3(aCodecCtx, samples, &audio_data_size, &packet)>0)
1131
                        {
1132
                                dcprintf(DEBUG_AUDIO_FRAMES, "\n-------AUDIO FRAME\n");
1133
                                dcprintf(DEBUG_AUDIO_FRAMES, "AUDIO: newTimeaudioSTART : %lf\n", (double)(packet.pts)*av_q2d(pFormatCtx->streams[audioStream]->time_base));
1134
                                if(audio_data_size>0) {
1135
                                        dcprintf(DEBUG_AUDIO_FRAMES, "AUDIO: datasizeaudio:%d\n", audio_data_size);
1136
                                        /* if a frame has been decoded, output it */
1137
                                        //fwrite(samples, 1, audio_data_size, outfileaudio);
1138
                                }
1139
                                else {
1140
                                        av_free_packet(&packet);
1141
                                        continue;
1142
                                }
1143
        
1144
                                audio_frame_size = avcodec_encode_audio(aCodecCtxEnc, audio_outbuf, audio_data_size, samples);
1145
                                if(audio_frame_size <= 0) {
1146
                                        av_free_packet(&packet);
1147
                                        continue;
1148
                                }
1149
                                
1150
                                frame->number = contFrameAudio;
1151

    
1152
                                if(frame->number==0) {
1153
                                        if(packet.dts==AV_NOPTS_VALUE) {
1154
                                                av_free_packet(&packet);
1155
                                                continue;
1156
                                        }
1157
                                        last_pkt_dts_audio = packet.dts;
1158
                                        newTime = 0;
1159
                                }
1160
                                else {
1161
                                        if(packet.dts!=AV_NOPTS_VALUE) {
1162
                                                delta_audio = packet.dts-last_pkt_dts_audio;
1163
                                                last_pkt_dts_audio = packet.dts;
1164
                                        }
1165
                                        else if(delta_audio==0) {
1166
                                                av_free_packet(&packet);
1167
                                                continue;
1168
                                        }
1169
                                }
1170
                                dcprintf(DEBUG_AUDIO_FRAMES, "AUDIO: original codec frame number %d vs. encoded %d vs. packed %d\n", aCodecCtx->frame_number, aCodecCtxEnc->frame_number, frame->number);
1171
                                //use pts if dts is invalid
1172
                                if(packet.dts!=AV_NOPTS_VALUE)
1173
                                        target_pts = packet.dts;
1174
                                else if(packet.pts!=AV_NOPTS_VALUE) {
1175
                                        target_pts = packet.pts;
1176
                                } else  {
1177
                                        av_free_packet(&packet);
1178
                                        continue;
1179
                                }
1180

    
1181
                                if(offset_av)
1182
                                {
1183
                                        if(FirstTimeAudio && packet.dts>0) {
1184
                                                ptsaudio1 = packet.dts;
1185
                                                FirstTimeAudio = 0;
1186
                                                dcprintf(DEBUG_AUDIO_FRAMES, "AUDIO: SET PTS BASE OFFSET %"PRId64"\n", ptsaudio1);
1187
                                        }
1188
                                }
1189
                                else //we want to compensate audio and video offset for this source
1190
                                {
1191
                                        if(FirstTimeAudio && packet.dts>0) {
1192
                                                //maintain the offset between audio pts and video pts
1193
                                                //because in case of live source they have the same numbering
1194
                                                if(ptsvideo1 > 0) //if we have already seen some video frames...
1195
                                                        ptsaudio1 = ptsvideo1;
1196
                                                else
1197
                                                        ptsaudio1 = packet.dts;
1198
                                                FirstTimeAudio = 0;
1199
                                                dcprintf(DEBUG_AUDIO_FRAMES, "AUDIO LIVE: SET PTS BASE OFFSET %"PRId64"\n", ptsaudio1);
1200
                                        }
1201
                                }
1202
                                //compute the new audio timestamps in milliseconds
1203
                                if(frame->number>0) {
1204
                                        newTime = ((target_pts-ptsaudio1)*1000.0*((double)av_q2d(pFormatCtx->streams[audioStream]->time_base)));//*(double)delta_audio;
1205
                                        // store timestamp in useconds for next frame sleep
1206
                                        newTime_audio = newTime*1000;
1207
                                }
1208
                                dcprintf(DEBUG_TIMESTAMPING, "AUDIO: NEWTIMESTAMP %lld\n", newTime);
1209
                                if(newTime<0) {
1210
                                        dcprintf(DEBUG_AUDIO_FRAMES, "AUDIO: SKIPPING FRAME\n");
1211
                                        newtime_anomalies_counter++;
1212
                                        dctprintf(DEBUG_ANOMALIES, "READLOOP: NEWTIME negative audio timestamp anomaly detected number %d (a:%lld)\n", newtime_anomalies_counter, newTime*1000);
1213
                                        av_free_packet(&packet);
1214
                                        continue; //SKIP THIS FRAME, bad timestamp
1215
                                }
1216

    
1217
                                frame->timestamp.tv_sec = (unsigned int)(newTime + delay_audio)/1000;
1218
                                frame->timestamp.tv_usec = (newTime + delay_audio)%1000;
1219
                                frame->size = audio_frame_size;
1220
                                frame->type = 5; // 5 is audio type
1221
                                dcprintf(DEBUG_AUDIO_FRAMES, "AUDIO: pts %"PRId64" duration %d timebase %d %d dts %"PRId64"\n", packet.pts, packet.duration, pFormatCtx->streams[audioStream]->time_base.num, pFormatCtx->streams[audioStream]->time_base.den, packet.dts);
1222
                                dcprintf(DEBUG_AUDIO_FRAMES, "AUDIO: timestamp sec:%ld usec:%ld\n", (long)frame->timestamp.tv_sec, (long)frame->timestamp.tv_usec);
1223
                                dcprintf(DEBUG_AUDIO_FRAMES, "AUDIO: deltaaudio %"PRId64"\n", delta_audio);        
1224
                                contFrameAudio++;
1225

    
1226
                                if(update_chunk(chunkaudio, frame, audio_outbuf) == -1) {
1227
                                        fprintf(stderr, "AUDIO: unable to update chunk %d. Exiting.\n", chunkaudio->seq);
1228
                                        exit(-1);
1229
                                }
1230
                                //set priority
1231
                                chunkaudio->priority = 1;
1232

    
1233
                                if(chunkFilled(chunkaudio, AUDIO_CHUNK)) {
1234
                                        // is chunk filled using current strategy?
1235
                                        //SAVE ON FILE
1236
                                        //saveChunkOnFile(chunkaudio);
1237
                                        //Send the chunk to an external transport/player
1238
                                        for (i=0; i < (passthrough?1:0) + qualitylevels; i++) {        //do not send audio to the index channel
1239
                                                sendChunk(outstream[i].output, chunkaudio);
1240
                                        }
1241
                                        dctprintf(DEBUG_CHUNKER, "AUDIO: just sent chunk audio %d\n", chunkaudio->seq);
1242
                                        chunkaudio->seq = 0; //signal that we need an increase
1243
                                        //initChunk(chunkaudio, &seq_current_chunk);
1244
                                }
1245

    
1246
                                //we have an audio track, so we compute timings and determine
1247
                                //how much time we have to sleep at next audio frame taking
1248
                                //also into account how much time was needed to encode the
1249
                                //video frames
1250
                                //all this in case the video source is not live, i.e. not self-timing
1251
                                if(!live_source)
1252
                                {
1253
                                        if(newTime_prev != 0)
1254
                                        {
1255
                                                long long maxDelay = newTime_audio - newTime_prev;
1256

    
1257
                                                gettimeofday(&now_tv, NULL);
1258
                                                long long usec = (now_tv.tv_sec-lastAudioSent.tv_sec)*1000000;
1259
                                                usec+=(now_tv.tv_usec-lastAudioSent.tv_usec);
1260

    
1261
                                                if(usec > maxAudioInterval)
1262
                                                        maxAudioInterval = usec;
1263

    
1264
                                                lateTime -= (maxDelay - usec);
1265
                                                dcprintf(DEBUG_TIMESTAMPING,"\tmaxDelay=%ld, maxAudioInterval=%ld\n", ((long)maxDelay), ((long) maxAudioInterval));
1266
                                                dcprintf(DEBUG_TIMESTAMPING,"\tlast audio frame interval=%ld; lateTime=%ld\n", ((long)usec), ((long)lateTime));
1267

    
1268
                                                if((lateTime+maxAudioInterval) < 0)
1269
                                                        sleep = (lateTime+maxAudioInterval)*-1;
1270
                                                else
1271
                                                        sleep = 0;
1272
                                        }
1273
                                        else
1274
                                                sleep = 0;
1275

    
1276
                                        newTime_prev = newTime_audio;
1277
                                        gettimeofday(&lastAudioSent, NULL);
1278
                                }
1279
                        }
1280
                }
1281
                dcprintf(DEBUG_CHUNKER,"Free the packet that was allocated by av_read_frame\n");
1282
                av_free_packet(&packet);
1283
        }
1284
        
1285
        if(videotrace)
1286
                fclose(videotrace);
1287
        if(psnrtrace)
1288
                fclose(psnrtrace);
1289

    
1290
close:
1291
        for (i=0; i < (passthrough?1:0) + qualitylevels + (indexchannel?1:0); i++) {
1292
                if(outstream[i].chunk->seq != 0 && outstream[i].chunk->frames_num>0) {
1293
                        sendChunk(outstream[i].output, outstream[0].chunk);
1294
                        dcprintf(DEBUG_CHUNKER, "CHUNKER: SENDING LAST VIDEO CHUNK\n");
1295
                        outstream[i].chunk->seq = 0; //signal that we need an increase just in case we will restart
1296
                }
1297
        }
1298
        for (i=0; i < (passthrough?1:0) + qualitylevels; i++) {
1299
                if(chunkaudio->seq != 0 && chunkaudio->frames_num>0) {
1300
                        sendChunk(outstream[i].output, chunkaudio);
1301
                        dcprintf(DEBUG_CHUNKER, "CHUNKER: SENDING LAST AUDIO CHUNK\n");
1302
                }
1303
        }
1304
        chunkaudio->seq = 0; //signal that we need an increase just in case we will restart
1305

    
1306
#ifdef HTTPIO
1307
        /* finalize the HTTP chunk pusher */
1308
        finalizeChunkPusher();
1309
#endif
1310

    
1311
        for (i=0; i < (passthrough?1:0) + qualitylevels + (indexchannel?1:0); i++) {
1312
                free(outstream[i].chunk);
1313
        }
1314
        free(chunkaudio);
1315
        free(frame);
1316
        av_free(video_outbuf);
1317
        av_free(audio_outbuf);
1318
        free(cmeta);
1319

    
1320
        // Free the YUV frame
1321
        av_free(pFrame1);
1322
        av_free(samples);
1323
  
1324
        // Close the codec
1325
        avcodec_close(pCodecCtx);
1326
        for (i=(passthrough?1:0); i < (passthrough?1:0) + qualitylevels + (indexchannel?1:0); i++) {
1327
                avcodec_close(outstream[i].pCodecCtxEnc);
1328
        }
1329

    
1330
        if(audioStream!=-1) {
1331
                avcodec_close(aCodecCtx);
1332
                avcodec_close(aCodecCtxEnc);
1333
        }
1334
  
1335
        // Close the video file
1336
        av_close_input_file(pFormatCtx);
1337

    
1338
        if(LOOP_MODE) {
1339
                //we want video to continue, but the av_read_frame stopped
1340
                //lets wait a 5 secs, and cycle in again
1341
                usleep(5000000);
1342
                dcprintf(DEBUG_CHUNKER, "CHUNKER: WAITING 5 secs FOR LIVE SOURCE TO SKIP ERRORS AND RESTARTING\n");
1343
                videoStream = -1;
1344
                audioStream = -1;
1345
                FirstTimeAudio=1;
1346
                FirstTimeVideo=1;
1347
                pts_anomalies_counter=0;
1348
                newtime_anomalies_counter=0;
1349
                newTime=0;
1350
                newTime_audio=0;
1351
                newTime_prev=0;
1352
                ptsvideo1=0;
1353
                ptsaudio1=0;
1354
                last_pkt_dts=0;
1355
                delta_video=0;
1356
                delta_audio=0;
1357
                last_pkt_dts_audio=0;
1358
                target_pts=0;
1359
                i=0;
1360
                //~ contFrameVideo = 0;
1361
                //~ contFrameAudio = 1;
1362
                
1363
#ifdef YUV_RECORD_ENABLED
1364
                if(ChunkerStreamerTestMode)
1365
                {
1366
                        video_record_count++;
1367
                        //~ savedVideoFrames = 0;
1368
                        
1369
                        //~ char tmp_filename[255];
1370
                        //~ sprintf(tmp_filename, "yuv_data/out_%d.yuv", video_record_count);
1371
                        //~ FILE *pFile=fopen(tmp_filename, "w");
1372
                        //~ if(pFile!=NULL)
1373
                                //~ fclose(pFile);
1374
                }
1375
#endif
1376

    
1377
                goto restart;
1378
        }
1379

    
1380
#ifdef TCPIO
1381
        for (i=0; i < (passthrough?1:0) + qualitylevels + (indexchannel?1:0); i++) {
1382
                finalizeTCPChunkPusher(outstream[i].output);
1383
        }
1384
#endif
1385

    
1386
#ifdef USE_AVFILTER
1387
        close_filters();
1388
#endif
1389

    
1390
        return 0;
1391
}
1392

    
1393
int update_chunk(ExternalChunk *chunk, Frame *frame, uint8_t *outbuf) {
1394
        //the frame.h gets encoded into 5 slots of 32bits (3 ints plus 2 more for the timeval struct
1395
        static int sizeFrameHeader = 5*sizeof(int32_t);
1396

    
1397
        //moving temp pointer to encode Frame on the wire
1398
        uint8_t *tempdata = NULL;
1399

    
1400
        if(chunk->seq == 0) {
1401
                initChunk(chunk, &seq_current_chunk);
1402
        }
1403
        //add frame priority to chunk priority (to be normalized later on)
1404
        chunk->priority += frame->type + 1; // I:2, P:3, B:4
1405

    
1406
        //HINT on malloc
1407
        chunk->data = (uint8_t *)realloc(chunk->data, sizeof(uint8_t)*(chunk->payload_len + frame->size + sizeFrameHeader));
1408
        if(!chunk->data)  {
1409
                fprintf(stderr, "Memory error in chunk!!!\n");
1410
                return -1;
1411
        }
1412
        chunk->frames_num++; // number of frames in the current chunk
1413

    
1414
/*
1415
        //package the Frame header
1416
        tempdata = chunk->data+chunk->payload_len;
1417
        *((int32_t *)tempdata) = frame->number;
1418
        tempdata+=sizeof(int32_t);
1419
        *((struct timeval *)tempdata) = frame->timestamp;
1420
        tempdata+=sizeof(struct timeval);
1421
        *((int32_t *)tempdata) = frame->size;
1422
        tempdata+=sizeof(int32_t);
1423
        *((int32_t *)tempdata) = frame->type;
1424
        tempdata+=sizeof(int32_t);
1425
*/
1426
        //package the Frame header: network order and platform independent
1427
        tempdata = chunk->data+chunk->payload_len;
1428
        bit32_encoded_push(frame->number, tempdata);
1429
        bit32_encoded_push(frame->timestamp.tv_sec, tempdata + CHUNK_TRANSCODING_INT_SIZE);
1430
        bit32_encoded_push(frame->timestamp.tv_usec, tempdata + CHUNK_TRANSCODING_INT_SIZE*2);
1431
        bit32_encoded_push(frame->size, tempdata + CHUNK_TRANSCODING_INT_SIZE*3);
1432
        bit32_encoded_push(frame->type, tempdata + CHUNK_TRANSCODING_INT_SIZE*4);
1433

    
1434
         //insert the new frame data
1435
        memcpy(chunk->data + chunk->payload_len + sizeFrameHeader, outbuf, frame->size);
1436
        chunk->payload_len += frame->size + sizeFrameHeader; // update payload length
1437
        //chunk lenght is updated just prior to pushing it out because
1438
        //the chunk header len is better calculated there
1439
        //chunk->len = sizeChunkHeader + chunk->payload_len; // update overall length
1440

    
1441
        //update timestamps
1442
        if(((int)frame->timestamp.tv_sec < (int)chunk->start_time.tv_sec) || ((int)frame->timestamp.tv_sec==(int)chunk->start_time.tv_sec && (int)frame->timestamp.tv_usec < (int)chunk->start_time.tv_usec) || (int)chunk->start_time.tv_sec==-1) {
1443
                                                chunk->start_time.tv_sec = frame->timestamp.tv_sec;
1444
                                                chunk->start_time.tv_usec = frame->timestamp.tv_usec;
1445
        }
1446
        
1447
        if(((int)frame->timestamp.tv_sec > (int)chunk->end_time.tv_sec) || ((int)frame->timestamp.tv_sec==(int)chunk->end_time.tv_sec && (int)frame->timestamp.tv_usec > (int)chunk->end_time.tv_usec) || (int)chunk->end_time.tv_sec==-1) {
1448
                                                chunk->end_time.tv_sec = frame->timestamp.tv_sec;
1449
                                                chunk->end_time.tv_usec = frame->timestamp.tv_usec;
1450
        }
1451
        return 0;
1452
}
1453

    
1454
void SaveFrame(AVFrame *pFrame, int width, int height)
1455
{
1456
        FILE *pFile;
1457
        int  y;
1458

    
1459
         // Open file
1460
        char tmp_filename[255];
1461
        sprintf(tmp_filename, "yuv_data/streamer_out.yuv");
1462
        pFile=fopen(tmp_filename, "ab");
1463
        if(pFile==NULL)
1464
                return;
1465

    
1466
        // Write header
1467
        //fprintf(pFile, "P5\n%d %d\n255\n", width, height);
1468
  
1469
        // Write Y data
1470
        for(y=0; y<height; y++)
1471
                  if(fwrite(pFrame->data[0]+y*pFrame->linesize[0], 1, width, pFile) != width)
1472
                {
1473
                        printf("errno = %d\n", errno);
1474
                        exit(1);
1475
                }
1476
        // Write U data
1477
        for(y=0; y<height/2; y++)
1478
                  if(fwrite(pFrame->data[1]+y*pFrame->linesize[1], 1, width/2, pFile) != width/2)
1479
                  {
1480
                        printf("errno = %d\n", errno);
1481
                        exit(1);
1482
                }
1483
        // Write V data
1484
        for(y=0; y<height/2; y++)
1485
                  if(fwrite(pFrame->data[2]+y*pFrame->linesize[2], 1, width/2, pFile) != width/2)
1486
                  {
1487
                        printf("errno = %d\n", errno);
1488
                        exit(1);
1489
                }
1490
  
1491
        // Close file
1492
        fclose(pFile);
1493
}
1494

    
1495
void SaveEncodedFrame(Frame* frame, uint8_t *video_outbuf)
1496
{
1497
        static FILE* pFile = NULL;
1498
        
1499
        pFile=fopen("yuv_data/streamer_out.mpeg4", "ab");
1500
        fwrite(frame, sizeof(Frame), 1, pFile);
1501
        fwrite(video_outbuf, frame->size, 1, pFile);
1502
        fclose(pFile);
1503
}