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ffmpeg / libavformat / avienc.c @ c4052af0

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1
/*
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 * AVI encoder.
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 * Copyright (c) 2000 Fabrice Bellard.
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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#include "avformat.h"
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#include "avi.h"
21

    
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/*
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 * TODO:
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 *  - fill all fields if non streamed (nb_frames for example)
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 */
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#ifdef CONFIG_MUXERS
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typedef struct AVIIentry {
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    unsigned int flags, pos, len;
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} AVIIentry;
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#define AVI_INDEX_CLUSTER_SIZE 16384
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typedef struct AVIIndex {
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    offset_t    indx_start;
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    int         entry;
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    int         ents_allocated;
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    AVIIentry** cluster;
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} AVIIndex;
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typedef struct {
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    offset_t riff_start, movi_list, odml_list;
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    offset_t frames_hdr_all, frames_hdr_strm[MAX_STREAMS];
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    int audio_strm_length[MAX_STREAMS];
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    int riff_id;
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    int packet_count[MAX_STREAMS];
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    AVIIndex indexes[MAX_STREAMS];
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} AVIContext;
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static inline AVIIentry* avi_get_ientry(AVIIndex* idx, int ent_id)
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{
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    int cl = ent_id / AVI_INDEX_CLUSTER_SIZE;
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    int id = ent_id % AVI_INDEX_CLUSTER_SIZE;
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    return &idx->cluster[cl][id];
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}
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offset_t start_tag(ByteIOContext *pb, const char *tag)
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{
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    put_tag(pb, tag);
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    put_le32(pb, 0);
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    return url_ftell(pb);
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}
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void end_tag(ByteIOContext *pb, offset_t start)
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{
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    offset_t pos;
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    pos = url_ftell(pb);
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    url_fseek(pb, start - 4, SEEK_SET);
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    put_le32(pb, (uint32_t)(pos - start));
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    url_fseek(pb, pos, SEEK_SET);
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}
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#endif //CONFIG_MUXERS
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/* Note: when encoding, the first matching tag is used, so order is
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   important if multiple tags possible for a given codec. */
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const CodecTag codec_bmp_tags[] = {
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    { CODEC_ID_H264, MKTAG('H', '2', '6', '4') },
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    { CODEC_ID_H264, MKTAG('h', '2', '6', '4') },
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    { CODEC_ID_H264, MKTAG('X', '2', '6', '4') },
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    { CODEC_ID_H264, MKTAG('x', '2', '6', '4') },
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    { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
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    { CODEC_ID_H264, MKTAG('V', 'S', 'S', 'H') },
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86
    { CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
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    { CODEC_ID_H263P, MKTAG('H', '2', '6', '3') },
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    { CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* intel h263 */
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    { CODEC_ID_H261, MKTAG('H', '2', '6', '1') },
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91
    /* added based on MPlayer */
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    { CODEC_ID_H263P, MKTAG('U', '2', '6', '3') },
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    { CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') },
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95
    { CODEC_ID_MPEG4, MKTAG('F', 'M', 'P', '4')},
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    { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X'), .invalid_asf = 1 },
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    { CODEC_ID_MPEG4, MKTAG('D', 'X', '5', '0'), .invalid_asf = 1 },
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    { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D'), .invalid_asf = 1 },
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    { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
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    { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
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    { CODEC_ID_MPEG4, MKTAG(0x04, 0, 0, 0) }, /* some broken avi use this */
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103
    /* added based on MPlayer */
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    { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') },
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    { CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') },
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    { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
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    { CODEC_ID_MPEG4, MKTAG('U', 'M', 'P', '4') },
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    { CODEC_ID_MPEG4, MKTAG('W', 'V', '1', 'F') },
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    { CODEC_ID_MPEG4, MKTAG('S', 'E', 'D', 'G') },
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    { CODEC_ID_MPEG4, MKTAG('R', 'M', 'P', '4') },
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113
    { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3'), .invalid_asf = 1 }, /* default signature when using MSMPEG4 */
114
    { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
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116
    /* added based on MPlayer */
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    { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', 'G', '3') },
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    { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '5') },
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    { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '6') },
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    { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '4') },
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    { CODEC_ID_MSMPEG4V3, MKTAG('A', 'P', '4', '1') },
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    { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '1') },
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    { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '0') },
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125
    { CODEC_ID_MSMPEG4V2, MKTAG('M', 'P', '4', '2') },
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127
    /* added based on MPlayer */
128
    { CODEC_ID_MSMPEG4V2, MKTAG('D', 'I', 'V', '2') },
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130
    { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', 'G', '4') },
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132
    { CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') },
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134
    /* added based on MPlayer */
135
    { CODEC_ID_WMV2, MKTAG('W', 'M', 'V', '2') },
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    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'd') },
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    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'd') },
138
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') },
139
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') },
140
    { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '1') },
141
    { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '2') },
142
    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', '2') },
143
    { CODEC_ID_MPEG2VIDEO, MKTAG('M', 'P', 'E', 'G') },
144
    { CODEC_ID_MPEG1VIDEO, MKTAG('P', 'I', 'M', '1') },
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    { CODEC_ID_MPEG1VIDEO, MKTAG('V', 'C', 'R', '2') },
146
    { CODEC_ID_MPEG1VIDEO, 0x10000001 },
147
    { CODEC_ID_MPEG2VIDEO, 0x10000002 },
148
    { CODEC_ID_MPEG2VIDEO, MKTAG('D', 'V', 'R', ' ') },
149
    { CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
150
    { CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
151
    { CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') },
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    { CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */
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    { CODEC_ID_MJPEG, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - decoder */
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    { CODEC_ID_JPEGLS, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - encoder */
155
    { CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') },
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    { CODEC_ID_FFVHUFF, MKTAG('F', 'F', 'V', 'H') },
157
    { CODEC_ID_CYUV, MKTAG('C', 'Y', 'U', 'V') },
158
    { CODEC_ID_RAWVIDEO, MKTAG('I', '4', '2', '0') },
159
    { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'Y', '2') },
160
    { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', '2') },
161
    { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'V', 'Y') },
162
    { CODEC_ID_RAWVIDEO, MKTAG('I', 'Y', 'U', 'V') },
163
    { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') },
164
    { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') },
165
    { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') },
166
    { CODEC_ID_VP3, MKTAG('V', 'P', '3', '0') },
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    { CODEC_ID_ASV1, MKTAG('A', 'S', 'V', '1') },
168
    { CODEC_ID_ASV2, MKTAG('A', 'S', 'V', '2') },
169
    { CODEC_ID_VCR1, MKTAG('V', 'C', 'R', '1') },
170
    { CODEC_ID_FFV1, MKTAG('F', 'F', 'V', '1') },
171
    { CODEC_ID_XAN_WC4, MKTAG('X', 'x', 'a', 'n') },
172
    { CODEC_ID_MSRLE, MKTAG('m', 'r', 'l', 'e') },
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    { CODEC_ID_MSRLE, MKTAG(0x1, 0x0, 0x0, 0x0) },
174
    { CODEC_ID_MSVIDEO1, MKTAG('M', 'S', 'V', 'C') },
175
    { CODEC_ID_MSVIDEO1, MKTAG('m', 's', 'v', 'c') },
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    { CODEC_ID_MSVIDEO1, MKTAG('C', 'R', 'A', 'M') },
177
    { CODEC_ID_MSVIDEO1, MKTAG('c', 'r', 'a', 'm') },
178
    { CODEC_ID_MSVIDEO1, MKTAG('W', 'H', 'A', 'M') },
179
    { CODEC_ID_MSVIDEO1, MKTAG('w', 'h', 'a', 'm') },
180
    { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') },
181
    { CODEC_ID_TRUEMOTION1, MKTAG('D', 'U', 'C', 'K') },
182
    { CODEC_ID_MSZH, MKTAG('M', 'S', 'Z', 'H') },
183
    { CODEC_ID_ZLIB, MKTAG('Z', 'L', 'I', 'B') },
184
    { CODEC_ID_SNOW, MKTAG('S', 'N', 'O', 'W') },
185
    { CODEC_ID_4XM, MKTAG('4', 'X', 'M', 'V') },
186
    { CODEC_ID_FLV1, MKTAG('F', 'L', 'V', '1') },
187
    { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') },
188
    { CODEC_ID_TSCC, MKTAG('t', 's', 'c', 'c') },
189
    { CODEC_ID_ULTI, MKTAG('U', 'L', 'T', 'I') },
190
    { CODEC_ID_VIXL, MKTAG('V', 'I', 'X', 'L') },
191
    { CODEC_ID_QPEG, MKTAG('Q', 'P', 'E', 'G') },
192
    { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '0') },
193
    { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '1') },
194
    { CODEC_ID_WMV3, MKTAG('W', 'M', 'V', '3') },
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    { CODEC_ID_LOCO, MKTAG('L', 'O', 'C', 'O') },
196
    { CODEC_ID_WNV1, MKTAG('W', 'N', 'V', '1') },
197
    { CODEC_ID_AASC, MKTAG('A', 'A', 'S', 'C') },
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    { CODEC_ID_INDEO2, MKTAG('R', 'T', '2', '1') },
199
    { CODEC_ID_FRAPS, MKTAG('F', 'P', 'S', '1') },
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    { CODEC_ID_THEORA, MKTAG('t', 'h', 'e', 'o') },
201
    { CODEC_ID_TRUEMOTION2, MKTAG('T', 'M', '2', '0') },
202
    { CODEC_ID_CSCD, MKTAG('C', 'S', 'C', 'D') },
203
    { CODEC_ID_ZMBV, MKTAG('Z', 'M', 'B', 'V') },
204
    { CODEC_ID_KMVC, MKTAG('K', 'M', 'V', 'C') },
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    { CODEC_ID_RAWVIDEO, 0 },
206
    { CODEC_ID_NONE, 0 },
207
};
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209
unsigned int codec_get_tag(const CodecTag *tags, int id)
210
{
211
    while (tags->id != CODEC_ID_NONE) {
212
        if (tags->id == id)
213
            return tags->tag;
214
        tags++;
215
    }
216
    return 0;
217
}
218

    
219
static unsigned int codec_get_asf_tag(const CodecTag *tags, unsigned int id)
220
{
221
    while (tags->id != CODEC_ID_NONE) {
222
        if (!tags->invalid_asf && tags->id == id)
223
            return tags->tag;
224
        tags++;
225
    }
226
    return 0;
227
}
228

    
229
enum CodecID codec_get_id(const CodecTag *tags, unsigned int tag)
230
{
231
    while (tags->id != CODEC_ID_NONE) {
232
        if(   toupper((tag >> 0)&0xFF) == toupper((tags->tag >> 0)&0xFF)
233
           && toupper((tag >> 8)&0xFF) == toupper((tags->tag >> 8)&0xFF)
234
           && toupper((tag >>16)&0xFF) == toupper((tags->tag >>16)&0xFF)
235
           && toupper((tag >>24)&0xFF) == toupper((tags->tag >>24)&0xFF))
236
            return tags->id;
237
        tags++;
238
    }
239
    return CODEC_ID_NONE;
240
}
241

    
242
unsigned int codec_get_bmp_tag(int id)
243
{
244
    return codec_get_tag(codec_bmp_tags, id);
245
}
246

    
247
unsigned int codec_get_wav_tag(int id)
248
{
249
    return codec_get_tag(codec_wav_tags, id);
250
}
251

    
252
enum CodecID codec_get_bmp_id(unsigned int tag)
253
{
254
    return codec_get_id(codec_bmp_tags, tag);
255
}
256

    
257
enum CodecID codec_get_wav_id(unsigned int tag)
258
{
259
    return codec_get_id(codec_wav_tags, tag);
260
}
261

    
262
#ifdef CONFIG_MUXERS
263
/* BITMAPINFOHEADER header */
264
void put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const CodecTag *tags, int for_asf)
265
{
266
    put_le32(pb, 40 + enc->extradata_size); /* size */
267
    put_le32(pb, enc->width);
268
    put_le32(pb, enc->height);
269
    put_le16(pb, 1); /* planes */
270

    
271
    put_le16(pb, enc->bits_per_sample ? enc->bits_per_sample : 24); /* depth */
272
    /* compression type */
273
    put_le32(pb, for_asf ? (enc->codec_tag ? enc->codec_tag : codec_get_asf_tag(tags, enc->codec_id)) : enc->codec_tag); //
274
    put_le32(pb, enc->width * enc->height * 3);
275
    put_le32(pb, 0);
276
    put_le32(pb, 0);
277
    put_le32(pb, 0);
278
    put_le32(pb, 0);
279

    
280
    put_buffer(pb, enc->extradata, enc->extradata_size);
281

    
282
    if (enc->extradata_size & 1)
283
        put_byte(pb, 0);
284
}
285

    
286
void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)
287
{
288
    int gcd;
289

    
290
    *au_ssize= stream->block_align;
291
    if(stream->frame_size && stream->sample_rate){
292
        *au_scale=stream->frame_size;
293
        *au_rate= stream->sample_rate;
294
    }else if(stream->codec_type == CODEC_TYPE_VIDEO){
295
        *au_scale= stream->time_base.num;
296
        *au_rate = stream->time_base.den;
297
    }else{
298
        *au_scale= stream->block_align ? stream->block_align*8 : 8;
299
        *au_rate = stream->bit_rate;
300
    }
301
    gcd= ff_gcd(*au_scale, *au_rate);
302
    *au_scale /= gcd;
303
    *au_rate /= gcd;
304
}
305

    
306
static offset_t avi_start_new_riff(AVIContext *avi, ByteIOContext *pb,
307
                                   const char* riff_tag, const char* list_tag)
308
{
309
    offset_t loff;
310
    int i;
311

    
312
    avi->riff_id++;
313
    for (i=0; i<MAX_STREAMS; i++)
314
         avi->indexes[i].entry = 0;
315

    
316
    avi->riff_start = start_tag(pb, "RIFF");
317
    put_tag(pb, riff_tag);
318
    loff = start_tag(pb, "LIST");
319
    put_tag(pb, list_tag);
320
    return loff;
321
}
322

    
323
static unsigned char* avi_stream2fourcc(unsigned char* tag, int index,
324
                                        enum CodecType type)
325
{
326
    tag[0] = '0';
327
    tag[1] = '0' + index;
328
    if (type == CODEC_TYPE_VIDEO) {
329
        tag[2] = 'd';
330
        tag[3] = 'c';
331
    } else {
332
        tag[2] = 'w';
333
        tag[3] = 'b';
334
    }
335
    tag[4] = '\0';
336
    return tag;
337
}
338

    
339
static int avi_write_header(AVFormatContext *s)
340
{
341
    AVIContext *avi = s->priv_data;
342
    ByteIOContext *pb = &s->pb;
343
    int bitrate, n, i, nb_frames, au_byterate, au_ssize, au_scale;
344
    AVCodecContext *stream, *video_enc;
345
    offset_t list1, list2, strh, strf;
346

    
347
    /* header list */
348
    avi->riff_id = 0;
349
    list1 = avi_start_new_riff(avi, pb, "AVI ", "hdrl");
350

    
351
    /* avi header */
352
    put_tag(pb, "avih");
353
    put_le32(pb, 14 * 4);
354
    bitrate = 0;
355

    
356
    video_enc = NULL;
357
    for(n=0;n<s->nb_streams;n++) {
358
        stream = s->streams[n]->codec;
359
        bitrate += stream->bit_rate;
360
        if (stream->codec_type == CODEC_TYPE_VIDEO)
361
            video_enc = stream;
362
    }
363

    
364
    nb_frames = 0;
365

    
366
    if(video_enc){
367
        put_le32(pb, (uint32_t)(int64_t_C(1000000) * video_enc->time_base.num / video_enc->time_base.den));
368
    } else {
369
        put_le32(pb, 0);
370
    }
371
    put_le32(pb, bitrate / 8); /* XXX: not quite exact */
372
    put_le32(pb, 0); /* padding */
373
    if (url_is_streamed(pb))
374
        put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_ISINTERLEAVED); /* flags */
375
    else
376
        put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED); /* flags */
377
    avi->frames_hdr_all = url_ftell(pb); /* remember this offset to fill later */
378
    put_le32(pb, nb_frames); /* nb frames, filled later */
379
    put_le32(pb, 0); /* initial frame */
380
    put_le32(pb, s->nb_streams); /* nb streams */
381
    put_le32(pb, 1024 * 1024); /* suggested buffer size */
382
    if(video_enc){
383
        put_le32(pb, video_enc->width);
384
        put_le32(pb, video_enc->height);
385
    } else {
386
        put_le32(pb, 0);
387
        put_le32(pb, 0);
388
    }
389
    put_le32(pb, 0); /* reserved */
390
    put_le32(pb, 0); /* reserved */
391
    put_le32(pb, 0); /* reserved */
392
    put_le32(pb, 0); /* reserved */
393

    
394
    /* stream list */
395
    for(i=0;i<n;i++) {
396
        list2 = start_tag(pb, "LIST");
397
        put_tag(pb, "strl");
398

    
399
        stream = s->streams[i]->codec;
400

    
401
        /* FourCC should really be set by the codec itself */
402
        if (! stream->codec_tag) {
403
            stream->codec_tag = codec_get_bmp_tag(stream->codec_id);
404
        }
405

    
406
        /* stream generic header */
407
        strh = start_tag(pb, "strh");
408
        switch(stream->codec_type) {
409
        case CODEC_TYPE_VIDEO: put_tag(pb, "vids"); break;
410
        case CODEC_TYPE_AUDIO: put_tag(pb, "auds"); break;
411
//        case CODEC_TYPE_TEXT : put_tag(pb, "txts"); break;
412
        case CODEC_TYPE_DATA : put_tag(pb, "dats"); break;
413
        }
414
        if(stream->codec_type == CODEC_TYPE_VIDEO)
415
            put_le32(pb, stream->codec_tag);
416
        else
417
            put_le32(pb, 1);
418
        put_le32(pb, 0); /* flags */
419
        put_le16(pb, 0); /* priority */
420
        put_le16(pb, 0); /* language */
421
        put_le32(pb, 0); /* initial frame */
422

    
423
        ff_parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
424

    
425
        put_le32(pb, au_scale); /* scale */
426
        put_le32(pb, au_byterate); /* rate */
427
        av_set_pts_info(s->streams[i], 64, au_scale, au_byterate);
428

    
429
        put_le32(pb, 0); /* start */
430
        avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
431
        if (url_is_streamed(pb))
432
            put_le32(pb, AVI_MAX_RIFF_SIZE); /* FIXME: this may be broken, but who cares */
433
        else
434
            put_le32(pb, 0); /* length, XXX: filled later */
435

    
436
        /* suggested buffer size */ //FIXME set at the end to largest chunk
437
        if(stream->codec_type == CODEC_TYPE_VIDEO)
438
            put_le32(pb, 1024 * 1024);
439
        else if(stream->codec_type == CODEC_TYPE_AUDIO)
440
            put_le32(pb, 12 * 1024);
441
        else
442
            put_le32(pb, 0);
443
        put_le32(pb, -1); /* quality */
444
        put_le32(pb, au_ssize); /* sample size */
445
        put_le32(pb, 0);
446
        put_le16(pb, stream->width);
447
        put_le16(pb, stream->height);
448
        end_tag(pb, strh);
449

    
450
      if(stream->codec_type != CODEC_TYPE_DATA){
451
        strf = start_tag(pb, "strf");
452
        switch(stream->codec_type) {
453
        case CODEC_TYPE_VIDEO:
454
            put_bmp_header(pb, stream, codec_bmp_tags, 0);
455
            break;
456
        case CODEC_TYPE_AUDIO:
457
            if (put_wav_header(pb, stream) < 0) {
458
                av_free(avi);
459
                return -1;
460
            }
461
            break;
462
        default:
463
            return -1;
464
        }
465
        end_tag(pb, strf);
466
      }
467

    
468
        if (!url_is_streamed(pb)) {
469
            unsigned char tag[5];
470
            int j;
471

    
472
            /* Starting to lay out AVI OpenDML master index.
473
             * We want to make it JUNK entry for now, since we'd
474
             * like to get away without making AVI an OpenDML one
475
             * for compatibility reasons.
476
             */
477
            avi->indexes[i].entry = avi->indexes[i].ents_allocated = 0;
478
            avi->indexes[i].indx_start = start_tag(pb, "JUNK");
479
            put_le16(pb, 4);        /* wLongsPerEntry */
480
            put_byte(pb, 0);        /* bIndexSubType (0 == frame index) */
481
            put_byte(pb, 0);        /* bIndexType (0 == AVI_INDEX_OF_INDEXES) */
482
            put_le32(pb, 0);        /* nEntriesInUse (will fill out later on) */
483
            put_tag(pb, avi_stream2fourcc(&tag[0], i, stream->codec_type));
484
                                    /* dwChunkId */
485
            put_le64(pb, 0);        /* dwReserved[3]
486
            put_le32(pb, 0);           Must be 0.    */
487
            for (j=0; j < AVI_MASTER_INDEX_SIZE * 2; j++)
488
                 put_le64(pb, 0);
489
            end_tag(pb, avi->indexes[i].indx_start);
490
        }
491

    
492
        end_tag(pb, list2);
493
    }
494

    
495
    if (!url_is_streamed(pb)) {
496
        /* AVI could become an OpenDML one, if it grows beyond 2Gb range */
497
        avi->odml_list = start_tag(pb, "JUNK");
498
        put_tag(pb, "odml");
499
        put_tag(pb, "dmlh");
500
        put_le32(pb, 248);
501
        for (i = 0; i < 248; i+= 4)
502
             put_le32(pb, 0);
503
        end_tag(pb, avi->odml_list);
504
    }
505

    
506
    end_tag(pb, list1);
507

    
508
    avi->movi_list = start_tag(pb, "LIST");
509
    put_tag(pb, "movi");
510

    
511
    put_flush_packet(pb);
512

    
513
    return 0;
514
}
515

    
516
static int avi_write_ix(AVFormatContext *s)
517
{
518
    ByteIOContext *pb = &s->pb;
519
    AVIContext *avi = s->priv_data;
520
    unsigned char tag[5];
521
    unsigned char ix_tag[] = "ix00";
522
    int i, j;
523

    
524
    assert(!url_is_streamed(pb));
525

    
526
    if (avi->riff_id > AVI_MASTER_INDEX_SIZE)
527
        return -1;
528

    
529
    for (i=0;i<s->nb_streams;i++) {
530
         offset_t ix, pos;
531

    
532
         avi_stream2fourcc(&tag[0], i, s->streams[i]->codec->codec_type);
533
         ix_tag[3] = '0' + i;
534

    
535
         /* Writing AVI OpenDML leaf index chunk */
536
         ix = url_ftell(pb);
537
         put_tag(pb, &ix_tag[0]);     /* ix?? */
538
         put_le32(pb, avi->indexes[i].entry * 8 + 24);
539
                                      /* chunk size */
540
         put_le16(pb, 2);             /* wLongsPerEntry */
541
         put_byte(pb, 0);             /* bIndexSubType (0 == frame index) */
542
         put_byte(pb, 1);             /* bIndexType (1 == AVI_INDEX_OF_CHUNKS) */
543
         put_le32(pb, avi->indexes[i].entry);
544
                                      /* nEntriesInUse */
545
         put_tag(pb, &tag[0]);        /* dwChunkId */
546
         put_le64(pb, avi->movi_list);/* qwBaseOffset */
547
         put_le32(pb, 0);             /* dwReserved_3 (must be 0) */
548

    
549
         for (j=0; j<avi->indexes[i].entry; j++) {
550
             AVIIentry* ie = avi_get_ientry(&avi->indexes[i], j);
551
             put_le32(pb, ie->pos + 8);
552
             put_le32(pb, ((uint32_t)ie->len & ~0x80000000) |
553
                          (ie->flags & 0x10 ? 0 : 0x80000000));
554
         }
555
         put_flush_packet(pb);
556
         pos = url_ftell(pb);
557

    
558
         /* Updating one entry in the AVI OpenDML master index */
559
         url_fseek(pb, avi->indexes[i].indx_start - 8, SEEK_SET);
560
         put_tag(pb, "indx");                 /* enabling this entry */
561
         url_fskip(pb, 8);
562
         put_le32(pb, avi->riff_id);          /* nEntriesInUse */
563
         url_fskip(pb, 16*avi->riff_id);
564
         put_le64(pb, ix);                    /* qwOffset */
565
         put_le32(pb, pos - ix);              /* dwSize */
566
         put_le32(pb, avi->indexes[i].entry); /* dwDuration */
567

    
568
         url_fseek(pb, pos, SEEK_SET);
569
    }
570
    return 0;
571
}
572

    
573
static int avi_write_idx1(AVFormatContext *s)
574
{
575
    ByteIOContext *pb = &s->pb;
576
    AVIContext *avi = s->priv_data;
577
    offset_t file_size, idx_chunk;
578
    int i, n, nb_frames, au_byterate, au_ssize, au_scale;
579
    AVCodecContext *stream;
580
    unsigned char tag[5];
581

    
582
    if (!url_is_streamed(pb)) {
583
        AVIIentry* ie = 0, *tie;
584
        int entry[MAX_STREAMS];
585
        int empty, stream_id = -1;
586

    
587
        idx_chunk = start_tag(pb, "idx1");
588
        memset(&entry[0], 0, sizeof(entry));
589
        do {
590
            empty = 1;
591
            for (i=0; i<s->nb_streams; i++) {
592
                 if (avi->indexes[i].entry <= entry[i])
593
                     continue;
594

    
595
                 tie = avi_get_ientry(&avi->indexes[i], entry[i]);
596
                 if (empty || tie->pos < ie->pos) {
597
                     ie = tie;
598
                     stream_id = i;
599
                 }
600
                 empty = 0;
601
            }
602
            if (!empty) {
603
                avi_stream2fourcc(&tag[0], stream_id,
604
                                  s->streams[stream_id]->codec->codec_type);
605
                put_tag(pb, &tag[0]);
606
                put_le32(pb, ie->flags);
607
                put_le32(pb, ie->pos);
608
                put_le32(pb, ie->len);
609
                entry[stream_id]++;
610
            }
611
        } while (!empty);
612
        end_tag(pb, idx_chunk);
613

    
614
        /* Fill in frame/sample counters */
615
        file_size = url_ftell(pb);
616
        nb_frames = 0;
617
        for(n=0;n<s->nb_streams;n++) {
618
            assert(avi->frames_hdr_strm[n]);
619
                stream = s->streams[n]->codec;
620
                url_fseek(pb, avi->frames_hdr_strm[n], SEEK_SET);
621
                ff_parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
622
                if (au_ssize == 0) {
623
                    put_le32(pb, avi->packet_count[n]);
624
                } else {
625
                    put_le32(pb, avi->audio_strm_length[n] / au_ssize);
626
                }
627
            if(stream->codec_type == CODEC_TYPE_VIDEO)
628
                nb_frames = FFMAX(nb_frames, avi->packet_count[n]);
629
       }
630
        assert(avi->frames_hdr_all);
631
        url_fseek(pb, avi->frames_hdr_all, SEEK_SET);
632
        put_le32(pb, nb_frames);
633
       url_fseek(pb, file_size, SEEK_SET);
634
    }
635
    return 0;
636
}
637

    
638
static int avi_write_packet(AVFormatContext *s, AVPacket *pkt)
639
{
640
    AVIContext *avi = s->priv_data;
641
    ByteIOContext *pb = &s->pb;
642
    unsigned char tag[5];
643
    unsigned int flags=0;
644
    const int stream_index= pkt->stream_index;
645
    AVCodecContext *enc= s->streams[stream_index]->codec;
646
    int size= pkt->size;
647

    
648
//    av_log(s, AV_LOG_DEBUG, "%lld %d %d\n", pkt->dts, avi->packet_count[stream_index], stream_index);
649
    while(enc->block_align==0 && pkt->dts != AV_NOPTS_VALUE && pkt->dts > avi->packet_count[stream_index]){
650
        AVPacket empty_packet;
651

    
652
        av_init_packet(&empty_packet);
653
        empty_packet.size= 0;
654
        empty_packet.data= NULL;
655
        empty_packet.stream_index= stream_index;
656
        avi_write_packet(s, &empty_packet);
657
//        av_log(s, AV_LOG_DEBUG, "dup %lld %d\n", pkt->dts, avi->packet_count[stream_index]);
658
    }
659
    avi->packet_count[stream_index]++;
660

    
661
    // Make sure to put an OpenDML chunk when the file size exceeds the limits
662
    if (!url_is_streamed(pb) &&
663
        (url_ftell(pb) - avi->riff_start > AVI_MAX_RIFF_SIZE)) {
664

    
665
        avi_write_ix(s);
666
        end_tag(pb, avi->movi_list);
667

    
668
        if (avi->riff_id == 1)
669
            avi_write_idx1(s);
670

    
671
        end_tag(pb, avi->riff_start);
672
        avi->movi_list = avi_start_new_riff(avi, pb, "AVIX", "movi");
673
    }
674

    
675
    avi_stream2fourcc(&tag[0], stream_index, enc->codec_type);
676
    if(pkt->flags&PKT_FLAG_KEY)
677
        flags = 0x10;
678
    if (enc->codec_type == CODEC_TYPE_AUDIO) {
679
       avi->audio_strm_length[stream_index] += size;
680
    }
681

    
682
    if (!url_is_streamed(&s->pb)) {
683
        AVIIndex* idx = &avi->indexes[stream_index];
684
        int cl = idx->entry / AVI_INDEX_CLUSTER_SIZE;
685
        int id = idx->entry % AVI_INDEX_CLUSTER_SIZE;
686
        if (idx->ents_allocated <= idx->entry) {
687
            idx->cluster = av_realloc(idx->cluster, (cl+1)*sizeof(void*));
688
            if (!idx->cluster)
689
                return -1;
690
            idx->cluster[cl] = av_malloc(AVI_INDEX_CLUSTER_SIZE*sizeof(AVIIentry));
691
            if (!idx->cluster[cl])
692
                return -1;
693
            idx->ents_allocated += AVI_INDEX_CLUSTER_SIZE;
694
        }
695

    
696
        idx->cluster[cl][id].flags = flags;
697
        idx->cluster[cl][id].pos = url_ftell(pb) - avi->movi_list;
698
        idx->cluster[cl][id].len = size;
699
        idx->entry++;
700
    }
701

    
702
    put_buffer(pb, tag, 4);
703
    put_le32(pb, size);
704
    put_buffer(pb, pkt->data, size);
705
    if (size & 1)
706
        put_byte(pb, 0);
707

    
708
    put_flush_packet(pb);
709
    return 0;
710
}
711

    
712
static int avi_write_trailer(AVFormatContext *s)
713
{
714
    AVIContext *avi = s->priv_data;
715
    ByteIOContext *pb = &s->pb;
716
    int res = 0;
717
    int i, j, n, nb_frames;
718
    offset_t file_size;
719

    
720
    if (!url_is_streamed(pb))
721
    {
722
    if (avi->riff_id == 1) {
723
        end_tag(pb, avi->movi_list);
724
        res = avi_write_idx1(s);
725
        end_tag(pb, avi->riff_start);
726
    } else {
727
        avi_write_ix(s);
728
        end_tag(pb, avi->movi_list);
729
        end_tag(pb, avi->riff_start);
730

    
731
        file_size = url_ftell(pb);
732
        url_fseek(pb, avi->odml_list - 8, SEEK_SET);
733
        put_tag(pb, "LIST"); /* Making this AVI OpenDML one */
734
        url_fskip(pb, 16);
735

    
736
        for (n=nb_frames=0;n<s->nb_streams;n++) {
737
             AVCodecContext *stream = s->streams[n]->codec;
738
             if (stream->codec_type == CODEC_TYPE_VIDEO) {
739
                 if (nb_frames < avi->packet_count[n])
740
                     nb_frames = avi->packet_count[n];
741
             } else {
742
                 if (stream->codec_id == CODEC_ID_MP2 || stream->codec_id == CODEC_ID_MP3) {
743
                     nb_frames += avi->packet_count[n];
744
                }
745
            }
746
        }
747
        put_le32(pb, nb_frames);
748
        url_fseek(pb, file_size, SEEK_SET);
749
    }
750
    }
751
    put_flush_packet(pb);
752

    
753
    for (i=0; i<MAX_STREAMS; i++) {
754
         for (j=0; j<avi->indexes[i].ents_allocated/AVI_INDEX_CLUSTER_SIZE; j++)
755
              av_free(avi->indexes[i].cluster[j]);
756
         av_free(avi->indexes[i].cluster);
757
         avi->indexes[i].cluster = NULL;
758
         avi->indexes[i].ents_allocated = avi->indexes[i].entry = 0;
759
    }
760

    
761
    return res;
762
}
763

    
764
static AVOutputFormat avi_oformat = {
765
    "avi",
766
    "avi format",
767
    "video/x-msvideo",
768
    "avi",
769
    sizeof(AVIContext),
770
    CODEC_ID_MP2,
771
    CODEC_ID_MPEG4,
772
    avi_write_header,
773
    avi_write_packet,
774
    avi_write_trailer,
775
};
776

    
777
int avienc_init(void)
778
{
779
    av_register_output_format(&avi_oformat);
780
    return 0;
781
}
782
#endif //CONFIG_MUXERS