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Merge commit '604fbb3132e88727e496c96c92cfe02748c25a1a'

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* commit '604fbb3132e88727e496c96c92cfe02748c25a1a':
  mov: Move code shared with CAF to a separate file

Merged-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2017-10-26 14:50:36 -03:00
commit 4bb09bf5a0
4 changed files with 59 additions and 40 deletions
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5
libavformat/Makefile
View File

@ -120,8 +120,7 @@ OBJS-$(CONFIG_BOA_DEMUXER) += boadec.o
OBJS-$(CONFIG_BFSTM_DEMUXER) += brstm.o
OBJS-$(CONFIG_BRSTM_DEMUXER) += brstm.o
OBJS-$(CONFIG_C93_DEMUXER) += c93.o voc_packet.o vocdec.o voc.o
OBJS-$(CONFIG_CAF_DEMUXER) += cafdec.o caf.o mov.o mov_chan.o \
replaygain.o
OBJS-$(CONFIG_CAF_DEMUXER) += cafdec.o caf.o mov_chan.o mov_esds.o
OBJS-$(CONFIG_CAF_MUXER) += cafenc.o caf.o riff.o
OBJS-$(CONFIG_CAVSVIDEO_DEMUXER) += cavsvideodec.o rawdec.o
OBJS-$(CONFIG_CAVSVIDEO_MUXER) += rawenc.o
@ -292,7 +291,7 @@ OBJS-$(CONFIG_MLV_DEMUXER) += mlvdec.o riffdec.o
OBJS-$(CONFIG_MM_DEMUXER) += mm.o
OBJS-$(CONFIG_MMF_DEMUXER) += mmf.o
OBJS-$(CONFIG_MMF_MUXER) += mmf.o rawenc.o
OBJS-$(CONFIG_MOV_DEMUXER) += mov.o mov_chan.o replaygain.o
OBJS-$(CONFIG_MOV_DEMUXER) += mov.o mov_chan.o mov_esds.o replaygain.o
OBJS-$(CONFIG_MOV_MUXER) += movenc.o avc.o hevc.o vpcc.o \
movenchint.o mov_chan.o rtp.o \
movenccenc.o rawutils.o

15
libavformat/isom.h
View File

@ -336,7 +336,6 @@ void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id);
int ff_mov_read_esds(AVFormatContext *fc, AVIOContext *pb);
enum AVCodecID ff_mov_get_lpcm_codec_id(int bps, int flags);
int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries);
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout);
@ -345,4 +344,18 @@ void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout);
#define FF_MOV_FLAG_MFRA_DTS 1
#define FF_MOV_FLAG_MFRA_PTS 2
/**
* Compute codec id for 'lpcm' tag.
* See CoreAudioTypes and AudioStreamBasicDescription at Apple.
*/
static inline enum AVCodecID ff_mov_get_lpcm_codec_id(int bps, int flags)
{
/* lpcm flags:
* 0x1 = float
* 0x2 = big-endian
* 0x4 = signed
*/
return ff_get_pcm_codec_id(bps, flags & 1, flags & 2, flags & 4 ? -1 : 0);
}
#endif /* AVFORMAT_ISOM_H */

36
libavformat/mov.c
View File

@ -767,28 +767,6 @@ static int mov_read_hdlr(MOVContext *c, AVIOContext *pb, MOVAtom atom)
return 0;
}
int ff_mov_read_esds(AVFormatContext *fc, AVIOContext *pb)
{
AVStream *st;
int tag;
if (fc->nb_streams < 1)
return 0;
st = fc->streams[fc->nb_streams-1];
avio_rb32(pb); /* version + flags */
ff_mp4_read_descr(fc, pb, &tag);
if (tag == MP4ESDescrTag) {
ff_mp4_parse_es_descr(pb, NULL);
} else
avio_rb16(pb); /* ID */
ff_mp4_read_descr(fc, pb, &tag);
if (tag == MP4DecConfigDescrTag)
ff_mp4_read_dec_config_descr(fc, st, pb);
return 0;
}
static int mov_read_esds(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
return ff_mov_read_esds(c->fc, pb);
@ -2013,20 +1991,6 @@ static int mov_read_stco(MOVContext *c, AVIOContext *pb, MOVAtom atom)
return 0;
}
/**
* Compute codec id for 'lpcm' tag.
* See CoreAudioTypes and AudioStreamBasicDescription at Apple.
*/
enum AVCodecID ff_mov_get_lpcm_codec_id(int bps, int flags)
{
/* lpcm flags:
* 0x1 = float
* 0x2 = big-endian
* 0x4 = signed
*/
return ff_get_pcm_codec_id(bps, flags & 1, flags & 2, flags & 4 ? -1 : 0);
}
static int mov_codec_id(AVStream *st, uint32_t format)
{
int id = ff_codec_get_id(ff_codec_movaudio_tags, format);

43
libavformat/mov_esds.c Normal file
View File

@ -0,0 +1,43 @@
/*
* 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
*/
#include "avformat.h"
#include "avio.h"
#include "isom.h"
int ff_mov_read_esds(AVFormatContext *fc, AVIOContext *pb)
{
AVStream *st;
int tag;
if (fc->nb_streams < 1)
return 0;
st = fc->streams[fc->nb_streams-1];
avio_rb32(pb); /* version + flags */
ff_mp4_read_descr(fc, pb, &tag);
if (tag == MP4ESDescrTag) {
ff_mp4_parse_es_descr(pb, NULL);
} else
avio_rb16(pb); /* ID */
ff_mp4_read_descr(fc, pb, &tag);
if (tag == MP4DecConfigDescrTag)
ff_mp4_read_dec_config_descr(fc, st, pb);
return 0;
}