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* avcodec/ac3_parser: improve false positive detection when parsing sync framesJames Almer2022-10-261-0/+2
| | | | | | | | | A two byte sync word is not enough to ensure we got a real syncframe, nor are all the range checks we do in the first seven bytes. Do therefore an integrity check for the sync frame in order to prevent the parser from filling avctx with bogus information. Signed-off-by: James Almer <jamrial@gmail.com>
* avcodec/aac_ac3_parser: don't fill stream info in the sync functionJames Almer2022-10-261-11/+1
| | | | | | | Have it only find frame boundaries. The stream props will then be filled once we have an assembled frame. Signed-off-by: James Almer <jamrial@gmail.com>
* lavc/aac_ac3_parser: fix potential overflow when averaging bitrateAlexander Strasser2020-08-121-1/+0
| | | | | | | The new code is analog to how it's done in our mpegaudio parser. Acked-by: Jun Zhao <barryjzhao@tencent.com> Signed-off-by: Alexander Strasser <eclipse7@gmx.net>
* lavc/aac_ac3_parser: improve the raw AAC file bit rate calculationJun Zhao2020-06-261-0/+2
| | | | | | | | | | | | | | | | | | | Now we just use one ADTS raw frame to calculate the bit rate, it's lead to a larger error when get the duration from bit rate, the improvement cumulate Nth ADTS frames to get the average bit rate. e,g used the command get the duration like: ffprobe -show_entries format=duration -i fate-suite/aac/foo.aac before this improvement dump the duration=2.173935 after this improvement dump the duration=1.979267 in fact, the real duration can be get by command like: ffmpeg -i fate-suite/aac/foo.aac -f null /dev/null with time=00:00:01.97 Also update the fate-adtstoasc_ticket3715. Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
* Merge commit '6258d362b82934a2c27557e0984aed372d98091a'Michael Niedermayer2013-08-281-7/+7
|\ | | | | | | | | | | | | * commit '6258d362b82934a2c27557e0984aed372d98091a': ac3: Do not clash with normal AVERROR Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * ac3: Do not clash with normal AVERRORLuca Barbato2013-08-271-7/+7
| | | | | | | | | | The parsing function return AVERROR and AAC_AC3_PARSE_ERROR values, make sure they are not misunderstood.
* | Merge commit '36ef5369ee9b336febc2c270f8718cec4476cb85'Michael Niedermayer2012-08-071-1/+1
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit '36ef5369ee9b336febc2c270f8718cec4476cb85': Replace all CODEC_ID_* with AV_CODEC_ID_* lavc: add AV prefix to codec ids. Conflicts: doc/APIchanges doc/examples/decoding_encoding.c doc/examples/muxing.c ffmpeg.c ffprobe.c ffserver.c libavcodec/8svx.c libavcodec/avcodec.h libavcodec/dnxhd_parser.c libavcodec/dvdsubdec.c libavcodec/error_resilience.c libavcodec/h263dec.c libavcodec/libvorbisenc.c libavcodec/mjpeg_parser.c libavcodec/mjpegenc.c libavcodec/mpeg12.c libavcodec/mpeg4videodec.c libavcodec/mpegvideo.c libavcodec/mpegvideo_enc.c libavcodec/pcm.c libavcodec/r210dec.c libavcodec/utils.c libavcodec/v210dec.c libavcodec/version.h libavdevice/alsa-audio-dec.c libavdevice/bktr.c libavdevice/v4l2.c libavformat/asfdec.c libavformat/asfenc.c libavformat/avformat.h libavformat/avidec.c libavformat/caf.c libavformat/electronicarts.c libavformat/flacdec.c libavformat/flvdec.c libavformat/flvenc.c libavformat/framecrcenc.c libavformat/img2.c libavformat/img2dec.c libavformat/img2enc.c libavformat/ipmovie.c libavformat/isom.c libavformat/matroska.c libavformat/matroskadec.c libavformat/matroskaenc.c libavformat/mov.c libavformat/movenc.c libavformat/mp3dec.c libavformat/mpeg.c libavformat/mpegts.c libavformat/mxf.c libavformat/mxfdec.c libavformat/mxfenc.c libavformat/nsvdec.c libavformat/nut.c libavformat/oggenc.c libavformat/pmpdec.c libavformat/rawdec.c libavformat/rawenc.c libavformat/riff.c libavformat/sdp.c libavformat/utils.c libavformat/vocenc.c libavformat/wtv.c libavformat/xmv.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * Replace all CODEC_ID_* with AV_CODEC_ID_*Anton Khirnov2012-08-071-1/+1
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* | Merge remote-tracking branch 'qatar/master'Michael Niedermayer2011-11-261-1/+1
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * qatar/master: swscale: Readd #define _SVID_SOURCE Fix av_get_channel_layout_string() for positions >31 configure: Store vda lib flags in extralibs instead of ldflags Make channel layout masks unsigned dca: ARMv6 optimised decode_blockcode() nullenc: drop AVFMT_RAWPICTURE from the flags frame-mt: return consumed packet size in ff_thread_decode_frame aacdec: add more fate tests covering SBR and PS MK(BE)TAG: avoid undefined shifts Conflicts: configure libavcodec/arm/dca.h libavcodec/dca.c libavcodec/mlp_parser.c libavcodec/version.h libavfilter/asrc_anullsrc.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/defaults.c libavutil/audioconvert.c libavutil/avutil.h libswscale/utils.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * Make channel layout masks unsignedMans Rullgard2011-11-251-1/+1
| | | | | | | | | | | | | | | | | | | | It makes more sense for a bit mask to use an unsigned type. The change should be source and binary compatible on all supported systems, hence micro version bump. Fixes a few invalid shifts. Signed-off-by: Mans Rullgard <mans@mansr.com>
* | Merge remote-tracking branch 'newdev/master'Michael Niedermayer2011-03-261-0/+1
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * newdev/master: mov: set audio service type for AC-3 from bitstream mode in the 'dac3' atom. Get audio_service_type for AC-3 based on bitstream mode in the AC-3 parser and decoder, and vice-versa for the AC-3 encoder. Use audio_service_type to set stream disposition. Add APIchanges entry for audio_service_type. Add audio_service_type field to AVCodecContext for encoding and reporting of the service type in the audio bitstream. configure: in check_ld, place new -l flags before existing ones support @heading, @subheading, @subsubheading, and @subsubsection in texi2pod.pl doc: update build system documentation aacenc: indentation aacenc: fix the side calculation in search_for_ms vp8.c: rename EDGE_* to VP8_EDGE_*. Conflicts: doc/APIchanges libavcodec/avcodec.h libavcodec/version.h libavcodec/vp8.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * Get audio_service_type for AC-3 based on bitstream mode in the AC-3 parserJustin Ruggles2011-03-251-0/+1
| | | | | | | | and decoder, and vice-versa for the AC-3 encoder.
| * Replace FFmpeg with Libav in licence headersMans Rullgard2011-03-191-4/+4
|/ | | | Signed-off-by: Mans Rullgard <mans@mansr.com>
* Add channel layout support to the AC-3 decoder and AC-3 parser.Justin Ruggles2009-04-191-0/+1
| | | | Originally committed as revision 18622 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Allow AC-3 parser to modify codec_id.Joakim Plate2009-02-191-0/+1
| | | | | | Patch by Joakim Plate (elupus A ecce D se). Originally committed as revision 17447 to svn://svn.ffmpeg.org/ffmpeg/trunk
* cosmetics: Remove pointless period after copyright statement non-sentences.Diego Biurrun2009-01-191-2/+2
| | | | Originally committed as revision 16684 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Factorise enum of AC3 error types to be usable by AAC in the ADTS patch thatAlex Converse2009-01-071-0/+10
| | | | | | | | will follow Patch by Alex Converse ( alex converse gmail com ) Originally committed as revision 16479 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Globally rename the header inclusion guard names.Stefano Sabatini2008-08-311-3/+3
| | | | | | | | | Consistently apply this rule: the guard name is obtained from the filename by stripping the leading "lib", converting '/' and '.' to '_' and uppercasing the resulting name. Guard names in the root directory have to be prefixed by "FFMPEG_". Originally committed as revision 15120 to svn://svn.ffmpeg.org/ffmpeg/trunk
* cosmetics: make all references to AC-3 capitalized and hyphenatedJustin Ruggles2008-08-031-1/+1
| | | | Originally committed as revision 14523 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Close parse context.David Liu2008-06-251-1/+1
| | | | | | Patch by David LIU david liu st com Originally committed as revision 13962 to svn://svn.ffmpeg.org/ffmpeg/trunk
* add necessary #includes in headersMåns Rullgård2008-05-031-0/+1
| | | | Originally committed as revision 13043 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Add new_frame_start and need_next_header.Michael Niedermayer2008-04-191-1/+4
| | | | | | based on a patch by Bartlomiej Originally committed as revision 12895 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Change aac and ac3 parsers to use ff_combine_frame().Michael Niedermayer2008-04-191-3/+5
| | | | Originally committed as revision 12894 to svn://svn.ffmpeg.org/ffmpeg/trunk
* remove AACAC3FrameFlagMichael Niedermayer2008-04-181-7/+1
| | | | Originally committed as revision 12888 to svn://svn.ffmpeg.org/ffmpeg/trunk
* undo changes in aac_ac3_parserBartlomiej Wolowiec2008-04-091-10/+9
| | | | Originally committed as revision 12778 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Corrections of errors in aac_ac3_parserBartlomiej Wolowiec2008-04-071-0/+1
| | | | Originally committed as revision 12759 to svn://svn.ffmpeg.org/ffmpeg/trunk
* change of aac_ac3_parser, so it is able to send complete portion of data to ↵Bartlomiej Wolowiec2008-04-051-9/+9
| | | | | | decoder Originally committed as revision 12758 to svn://svn.ffmpeg.org/ffmpeg/trunk
* removal of stream_type in AACAC3ParseContext and adding AACAC3FrameFlagBartlomiej Wolowiec2008-03-281-2/+7
| | | | Originally committed as revision 12622 to svn://svn.ffmpeg.org/ffmpeg/trunk
* using stream type in eac3 parserBartlomiej Wolowiec2008-03-241-0/+1
| | | | Originally committed as revision 12570 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Pass AACAC3ParseContext to sync() instead of individual arguments. Patch byJustin Ruggles2008-03-231-2/+6
| | | | | | Bartlomiej Wolowiec (bartek wolowiec gmail com) Originally committed as revision 12564 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Add FFMPEG_ prefix to all multiple inclusion guards.Diego Biurrun2007-10-171-3/+3
| | | | Originally committed as revision 10765 to svn://svn.ffmpeg.org/ffmpeg/trunk
* include all prerequisites in header filesMåns Rullgård2007-06-161-0/+3
| | | | Originally committed as revision 9344 to svn://svn.ffmpeg.org/ffmpeg/trunk
* cosmetics: rename for consistency after previous aac and ac3 parsers moveAurelien Jacobs2007-05-081-3/+3
| | | | Originally committed as revision 8942 to svn://svn.ffmpeg.org/ffmpeg/trunk
* move aac and ac3 parsers in their own filesAurelien Jacobs2007-05-081-0/+40
Originally committed as revision 8941 to svn://svn.ffmpeg.org/ffmpeg/trunk
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