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Code Issues Releases Activity

move imx_dump_header bitstream filter in its own file

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Originally committed as revision 9067 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2007-05-19 00:44:41 +00:00
parent 8bf63e1c80
commit ab8072a6a2
3 changed files with 60 additions and 32 deletions
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2
libavcodec/Makefile
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@ -310,7 +310,7 @@ OBJS-$(CONFIG_NOISE_BSF) += noise_bsf.o
OBJS-$(CONFIG_MP3_HEADER_COMPRESS_BSF) += mp3_header_compress_bsf.o OBJS-$(CONFIG_MP3_HEADER_COMPRESS_BSF) += mp3_header_compress_bsf.o
OBJS-$(CONFIG_MP3_HEADER_DECOMPRESS_BSF) += mp3_header_decompress_bsf.o mpegaudiodata.o OBJS-$(CONFIG_MP3_HEADER_DECOMPRESS_BSF) += mp3_header_decompress_bsf.o mpegaudiodata.o
OBJS-$(CONFIG_MJPEGA_DUMP_HEADER_BSF) += mjpegdec.o mjpeg.o jpeglsdec.o jpegls.o OBJS-$(CONFIG_MJPEGA_DUMP_HEADER_BSF) += mjpegdec.o mjpeg.o jpeglsdec.o jpegls.o
OBJS-$(CONFIG_IMX_DUMP_HEADER_BSF) += mpeg12.o OBJS-$(CONFIG_IMX_DUMP_HEADER_BSF) += imx_dump_header_bsf.o
OBJS-$(HAVE_PTHREADS) += pthread.o OBJS-$(HAVE_PTHREADS) += pthread.o
OBJS-$(HAVE_W32THREADS) += w32thread.o OBJS-$(HAVE_W32THREADS) += w32thread.o

59
libavcodec/imx_dump_header_bsf.c Normal file
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@ -0,0 +1,59 @@
/*
* imx dump header bitstream filter
* Copyright (c) 2007 Baptiste Coudurier.
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file imx_dump_header_bsf.c
* imx dump header bitstream filter
* modifies bitstream to fit in mov and be decoded by final cut pro decoder
*/
#include "avcodec.h"
#include "bytestream.h"
static int imx_dump_header(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args,
uint8_t **poutbuf, int *poutbuf_size,
const uint8_t *buf, int buf_size, int keyframe)
{
/* MXF essence element key */
static const uint8_t imx_header[16] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x05,0x01,0x01,0x00 };
uint8_t *poutbufp;
if (avctx->codec_id != CODEC_ID_MPEG2VIDEO) {
av_log(avctx, AV_LOG_ERROR, "imx bitstream filter only applies to mpeg2video codec\n");
return 0;
}
*poutbuf = av_malloc(buf_size + 20 + FF_INPUT_BUFFER_PADDING_SIZE);
poutbufp = *poutbuf;
bytestream_put_buffer(&poutbufp, imx_header, 16);
bytestream_put_byte(&poutbufp, 0x83); /* KLV BER long form */
bytestream_put_be24(&poutbufp, buf_size);
bytestream_put_buffer(&poutbufp, buf, buf_size);
*poutbuf_size = poutbufp - *poutbuf;
return 1;
}
AVBitStreamFilter imx_dump_header_bsf = {
"imxdump",
0,
imx_dump_header,
};

31
libavcodec/mpeg12.c
View File

@ -3354,37 +3354,6 @@ AVCodec mpeg_xvmc_decoder = {
#endif #endif
#ifdef CONFIG_IMX_DUMP_HEADER_BSF
static int imx_dump_header(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args,
uint8_t **poutbuf, int *poutbuf_size,
const uint8_t *buf, int buf_size, int keyframe)
{
/* MXF essence element key */
static const uint8_t imx_header[16] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x05,0x01,0x01,0x00 };
uint8_t *poutbufp;
if (avctx->codec_id != CODEC_ID_MPEG2VIDEO) {
av_log(avctx, AV_LOG_ERROR, "imx bitstream filter only applies to mpeg2video codec\n");
return 0;
}
*poutbuf = av_malloc(buf_size + 20 + FF_INPUT_BUFFER_PADDING_SIZE);
poutbufp = *poutbuf;
bytestream_put_buffer(&poutbufp, imx_header, 16);
bytestream_put_byte(&poutbufp, 0x83); /* KLV BER long form */
bytestream_put_be24(&poutbufp, buf_size);
bytestream_put_buffer(&poutbufp, buf, buf_size);
*poutbuf_size = poutbufp - *poutbuf;
return 1;
}
AVBitStreamFilter imx_dump_header_bsf = {
"imxdump",
0,
imx_dump_header,
};
#endif
/* this is ugly i know, but the alternative is too make /* this is ugly i know, but the alternative is too make
hundreds of vars global and prefix them with ff_mpeg1_ hundreds of vars global and prefix them with ff_mpeg1_
which is far uglier. */ which is far uglier. */