Revision ab8072a6

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libavcodec/Makefile
310 310
OBJS-$(CONFIG_MP3_HEADER_COMPRESS_BSF) += mp3_header_compress_bsf.o
311 311
OBJS-$(CONFIG_MP3_HEADER_DECOMPRESS_BSF) += mp3_header_decompress_bsf.o mpegaudiodata.o
312 312
OBJS-$(CONFIG_MJPEGA_DUMP_HEADER_BSF)  += mjpegdec.o mjpeg.o jpeglsdec.o jpegls.o
313
OBJS-$(CONFIG_IMX_DUMP_HEADER_BSF)     += mpeg12.o
313
OBJS-$(CONFIG_IMX_DUMP_HEADER_BSF)     += imx_dump_header_bsf.o
314 314

  
315 315
OBJS-$(HAVE_PTHREADS)                  += pthread.o
316 316
OBJS-$(HAVE_W32THREADS)                += w32thread.o
libavcodec/imx_dump_header_bsf.c
1
/*
2
 * imx dump header bitstream filter
3
 * Copyright (c) 2007 Baptiste Coudurier.
4
 *
5
 * This file is part of FFmpeg.
6
 *
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 * FFmpeg is free software; you can redistribute it and/or
8
 * modify it under the terms of the GNU Lesser General Public
9
 * License as published by the Free Software Foundation; either
10
 * version 2.1 of the License, or (at your option) any later version.
11
 *
12
 * FFmpeg is distributed in the hope that it will be useful,
13
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15
 * Lesser General Public License for more details.
16
 *
17
 * You should have received a copy of the GNU Lesser General Public
18
 * License along with FFmpeg; if not, write to the Free Software
19
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20
 */
21

  
22
/**
23
 * @file imx_dump_header_bsf.c
24
 * imx dump header bitstream filter
25
 * modifies bitstream to fit in mov and be decoded by final cut pro decoder
26
 */
27

  
28
#include "avcodec.h"
29
#include "bytestream.h"
30

  
31

  
32
static int imx_dump_header(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args,
33
                           uint8_t **poutbuf, int *poutbuf_size,
34
                           const uint8_t *buf, int buf_size, int keyframe)
35
{
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    /* MXF essence element key */
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    static const uint8_t imx_header[16] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x05,0x01,0x01,0x00 };
38
    uint8_t *poutbufp;
39

  
40
    if (avctx->codec_id != CODEC_ID_MPEG2VIDEO) {
41
        av_log(avctx, AV_LOG_ERROR, "imx bitstream filter only applies to mpeg2video codec\n");
42
        return 0;
43
    }
44

  
45
    *poutbuf = av_malloc(buf_size + 20 + FF_INPUT_BUFFER_PADDING_SIZE);
46
    poutbufp = *poutbuf;
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    bytestream_put_buffer(&poutbufp, imx_header, 16);
48
    bytestream_put_byte(&poutbufp, 0x83); /* KLV BER long form */
49
    bytestream_put_be24(&poutbufp, buf_size);
50
    bytestream_put_buffer(&poutbufp, buf, buf_size);
51
    *poutbuf_size = poutbufp - *poutbuf;
52
    return 1;
53
}
54

  
55
AVBitStreamFilter imx_dump_header_bsf = {
56
    "imxdump",
57
    0,
58
    imx_dump_header,
59
};
libavcodec/mpeg12.c
3354 3354

  
3355 3355
#endif
3356 3356

  
3357
#ifdef CONFIG_IMX_DUMP_HEADER_BSF
3358
static int imx_dump_header(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args,
3359
                           uint8_t **poutbuf, int *poutbuf_size,
3360
                           const uint8_t *buf, int buf_size, int keyframe)
3361
{
3362
    /* MXF essence element key */
3363
    static const uint8_t imx_header[16] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x05,0x01,0x01,0x00 };
3364
    uint8_t *poutbufp;
3365

  
3366
    if (avctx->codec_id != CODEC_ID_MPEG2VIDEO) {
3367
        av_log(avctx, AV_LOG_ERROR, "imx bitstream filter only applies to mpeg2video codec\n");
3368
        return 0;
3369
    }
3370

  
3371
    *poutbuf = av_malloc(buf_size + 20 + FF_INPUT_BUFFER_PADDING_SIZE);
3372
    poutbufp = *poutbuf;
3373
    bytestream_put_buffer(&poutbufp, imx_header, 16);
3374
    bytestream_put_byte(&poutbufp, 0x83); /* KLV BER long form */
3375
    bytestream_put_be24(&poutbufp, buf_size);
3376
    bytestream_put_buffer(&poutbufp, buf, buf_size);
3377
    *poutbuf_size = poutbufp - *poutbuf;
3378
    return 1;
3379
}
3380

  
3381
AVBitStreamFilter imx_dump_header_bsf = {
3382
    "imxdump",
3383
    0,
3384
    imx_dump_header,
3385
};
3386
#endif
3387

  
3388 3357
/* this is ugly i know, but the alternative is too make
3389 3358
   hundreds of vars global and prefix them with ff_mpeg1_
3390 3359
   which is far uglier. */

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