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authorAurelien Jacobs <aurel@gnuage.org>2010-08-29 22:02:47 +0000
committerAurelien Jacobs <aurel@gnuage.org>2010-08-29 22:02:47 +0000
commit9e0d82418beb242d74aae2b444de35c071ffab50 (patch)
treeaa7f3b37d4ea36a113a5cacbb5abbadc9e67c68a /libavformat/raw.c
parent66e35c5fc6174d7da3e3013340aa866163b98ca7 (diff)
move ac3/eac3 demuxer to its own file
Originally committed as revision 24983 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/raw.c')
-rw-r--r--libavformat/raw.c86
1 files changed, 0 insertions, 86 deletions
diff --git a/libavformat/raw.c b/libavformat/raw.c
index 7504b7e81a..0a1a140e24 100644
--- a/libavformat/raw.c
+++ b/libavformat/raw.c
@@ -20,8 +20,6 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "libavutil/crc.h"
-#include "libavcodec/ac3_parser.h"
#include "libavcodec/get_bits.h"
#include "libavcodec/bytestream.h"
#include "avformat.h"
@@ -241,78 +239,8 @@ int ff_raw_video_read_header(AVFormatContext *s,
}
#endif
-#if CONFIG_AC3_DEMUXER || CONFIG_EAC3_DEMUXER
-static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id)
-{
- int max_frames, first_frames = 0, frames;
- uint8_t *buf, *buf2, *end;
- AC3HeaderInfo hdr;
- GetBitContext gbc;
- enum CodecID codec_id = CODEC_ID_AC3;
-
- max_frames = 0;
- buf = p->buf;
- end = buf + p->buf_size;
-
- for(; buf < end; buf++) {
- buf2 = buf;
-
- for(frames = 0; buf2 < end; frames++) {
- init_get_bits(&gbc, buf2, 54);
- if(ff_ac3_parse_header(&gbc, &hdr) < 0)
- break;
- if(buf2 + hdr.frame_size > end ||
- av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf2 + 2, hdr.frame_size - 2))
- break;
- if (hdr.bitstream_id > 10)
- codec_id = CODEC_ID_EAC3;
- buf2 += hdr.frame_size;
- }
- max_frames = FFMAX(max_frames, frames);
- if(buf == p->buf)
- first_frames = frames;
- }
- if(codec_id != expected_codec_id) return 0;
- // keep this in sync with mp3 probe, both need to avoid
- // issues with MPEG-files!
- if (first_frames>=4) return AVPROBE_SCORE_MAX/2+1;
- else if(max_frames>500)return AVPROBE_SCORE_MAX/2;
- else if(max_frames>=4) return AVPROBE_SCORE_MAX/4;
- else if(max_frames>=1) return 1;
- else return 0;
-}
-#endif
-
-#if CONFIG_AC3_DEMUXER
-static int ac3_probe(AVProbeData *p)
-{
- return ac3_eac3_probe(p, CODEC_ID_AC3);
-}
-#endif
-
-#if CONFIG_EAC3_DEMUXER
-static int eac3_probe(AVProbeData *p)
-{
- return ac3_eac3_probe(p, CODEC_ID_EAC3);
-}
-#endif
-
/* Note: Do not forget to add new entries to the Makefile as well. */
-#if CONFIG_AC3_DEMUXER
-AVInputFormat ac3_demuxer = {
- "ac3",
- NULL_IF_CONFIG_SMALL("raw AC-3"),
- 0,
- ac3_probe,
- ff_raw_audio_read_header,
- ff_raw_read_partial_packet,
- .flags= AVFMT_GENERIC_INDEX,
- .extensions = "ac3",
- .value = CODEC_ID_AC3,
-};
-#endif
-
#if CONFIG_AC3_MUXER
AVOutputFormat ac3_muxer = {
"ac3",
@@ -373,20 +301,6 @@ AVOutputFormat dts_muxer = {
};
#endif
-#if CONFIG_EAC3_DEMUXER
-AVInputFormat eac3_demuxer = {
- "eac3",
- NULL_IF_CONFIG_SMALL("raw E-AC-3"),
- 0,
- eac3_probe,
- ff_raw_audio_read_header,
- ff_raw_read_partial_packet,
- .flags= AVFMT_GENERIC_INDEX,
- .extensions = "eac3",
- .value = CODEC_ID_EAC3,
-};
-#endif
-
#if CONFIG_EAC3_MUXER
AVOutputFormat eac3_muxer = {
"eac3",