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38 Commits

Author SHA1 Message Date
Luca Barbato
a5a6a786bf mp3: Forward seeking errors 
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2015-07-13 21:59:53 +02:00
Luca Barbato
c1d647b15a mp3: Make the seek more robust 
Try to parse up to 4 packets to find the closest packet.

Reported-By: jan.schlueter@ofai.at
 2015-07-11 18:45:45 +02:00
Vittorio Giovara
fe99c52fa9 mp3: Properly use AVCodecContext API 
Rather than having an unitialized context on the stack, allocate it with
defaults and free it when unneeded.

CC: libav-stable@libav.org
 2015-03-11 17:57:56 +00:00
Luca Barbato
4fd7e63c87 mp3: Tweak the probe scores 
Having more than 10 consecutive frames decoded as mp3 should be
considered a clear signal that the sample is mp3 and not mpegps.

Reported-By: Florian Iragne <florian@iragne.fr>
CC: libav-stable@libav.org
 2014-12-07 21:50:47 +01:00
Anton Khirnov
99143140de mp3dec: fix reading the Xing tag 
The quality scale field is only supposed to be present if the fourth bit
is set. In practice, lame always sets it, but other tools might not.

CC:libav-stable@libav.org
 2014-10-24 09:03:16 +02:00
Alessandro Ghedini
32d05934ab mp3dec: decode more data from Info header 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2014-04-17 20:08:19 +02:00
Alessandro Ghedini
fbd8e04210 mp3dec: move XING/Info and VBRI parsing into their own functions 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2014-04-17 20:08:19 +02:00
Anton Khirnov
15c5a8d22d mp3dec: export replaygain tags from ID3v2 2014-03-24 06:13:39 +01:00
Vittorio Giovara
c0779a67e8 mp3: add .mpa extension 
Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2013-09-12 13:16:15 +02:00
Diego Biurrun
e0f8be6413 avformat: Add AVPROBE_SCORE_EXTENSION define and use where appropriate 2013-05-04 21:43:06 +02:00
Michael Niedermayer
505642f182 mp3dec: fallback to generic seeking when a TOC is not present 
Fixes seeking without a Xing/Info header.

CC: libav-stable@libav.org
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2013-04-19 09:26:34 +02:00
Alexander Kojevnikov
eae0879d96 mp3dec: Fix VBR bit rate parsing 
When parsing the Xing/Info tag, don't set the bit rate if it's an Info tag.

When parsing the stream, don't override the bit rate if it's already set,
otherwise calculate the mean bit rate from parsed frames. This way, the bit
rate will be set correctly both for CBR and VBR streams.

CC:libav-stable@libav.org

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2013-03-08 07:32:11 +01:00
Anton Khirnov
50d1f4437b mp3dec: read Xing frame TOC index 2012-09-19 20:59:45 +02:00
Anton Khirnov
2d1a1a7f62 mp3dec: use named constants for Xing header flags 2012-09-19 20:59:44 +02:00
Anton Khirnov
36ef5369ee Replace all CODEC_ID_* with AV_CODEC_ID_* 2012-08-07 16:00:24 +02:00
Diego Biurrun
0177b7d23a Improve descriptiveness of a number of codec and container long names 2012-07-30 20:46:55 +02:00
Anton Khirnov
f73e3938ac mp3dec: forward errors for av_get_packet(). 
Don't invent a bogus EIO error.

The code now doesn't check for ret == 0, but that check is redundant,
av_get_packet() never returns 0.
 2012-07-28 14:37:00 +02:00
Anton Khirnov
67b1156fe8 mp3dec: remove a pointless local variable. 2012-07-28 14:36:55 +02:00
Anton Khirnov
61f8bb74f3 mp3dec: remove commented out cruft. 2012-07-28 14:36:51 +02:00
Ronald S. Bultje
64bde80563 mp3/ac3 probe: search for PES headers to prevent probing MPEG-PS as MP3. 2012-05-30 09:08:29 -07:00
Martin Storsjö
20234a4bd7 cosmetics: Align muxer/demuxer declarations 
Also add missing trailing commas, break long codec_tag lines and
add spaces in codec_tag declarations.

Signed-off-by: Martin Storsjö <martin@martin.st>
 2012-04-06 19:19:59 +03:00
Ingo Brückl
c05e2be9a2 mp3dec: Fix reading file size and frames in VBRI headers 
The fields "Number of Bytes" and "Number of Frames" are mixed up. "Bytes"
come first, "Frames" behind.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Alex Converse <alex.converse@gmail.com>
 2012-03-01 15:32:28 -08:00
Anton Khirnov
6e9651d106 lavf: remove AVFormatParameters from AVFormatContext.read_header signature 2012-01-27 10:51:57 +01:00
Anton Khirnov
c3f9ebf743 lavf: make av_set_pts_info private. 
It's supposed to be called only from (de)muxers.
 2011-11-30 20:34:45 +01:00
Anton Khirnov
82ab61f901 lavc: use avpriv_ prefix for some mpegaudio symbols used in lavf. 
Specifically, ff_mpa_freq_tab, ff_mpa_bitrate_tab, ff_mpa_decode_header,
ff_mpegaudio_decode_header.
 2011-10-20 21:06:57 +02:00
Anton Khirnov
3b3bbdd3e6 lavf,lavd: replace av_new_stream->avformat_new_stream part I. 
Trivial replacements with sed are done in this commit:
sed 's/av_new_stream(\([^)]*\), 0)/avformat_new_stream(\1, NULL)/'
 2011-10-19 17:02:11 +02:00
Anton Khirnov
dfc2c4d900 lavf: use designated initialisers for all (de)muxers. 
It's more readable and less prone to breakage.
 2011-07-17 06:58:37 +02:00
Mans Rullgard
0ebcdf5cda Do not include mathematics.h in avutil.h 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-07-03 21:42:06 +01:00
Anton Khirnov
d2d67e424f Remove all uses of now deprecated metadata functions. 2011-06-08 07:43:45 +02:00
Anton Khirnov
e42500cb4f lavf: replace some more avio_seek(SEEK_CUR) with avio_skip 
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2011-03-20 20:33:05 -04:00
Mans Rullgard
2912e87a6c Replace FFmpeg with Libav in licence headers 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-03-19 13:33:20 +00:00
Anton Khirnov
45a8a02a41 lavf: replace avio_seek(SEEK_CUR) with avio_skip where it makes sense 
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2011-03-16 22:24:51 -04:00
Anton Khirnov
a2704c9712 avio: add avio_tell macro as a replacement for url_ftell 
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2011-03-04 11:26:57 -05:00
Anton Khirnov
6b4aa5dac8 avio: avio_ prefix for url_fseek 
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2011-03-01 12:12:33 -05:00
Anton Khirnov
b7effd4e83 avio: avio_ prefixes for get_* functions 
In the name of consistency:
get_byte           -> avio_r8
get_<type>         -> avio_r<type>
get_buffer         -> avio_read

get_partial_buffer will be made private later

get_strz is left out becase I want to change it later to return
something useful.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2011-02-21 11:23:22 -05:00
Diego Elio Pettenò
c6610a216e Prefix all _demuxer, _muxer, _protocol from libavformat and libavdevice. 
This also lists the objects from those two libraries as internal (by adding
the ff_ prefix) so that they can then be hidden via linker scripts.
 2011-01-26 22:10:09 +00:00
Clément Bœsch
045b80e52d Move ID3v1 skip from decoder to demuxer 
Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
 2011-01-22 01:31:57 +01:00
Anton Khirnov
d08928bbea Split mp3 demuxer and muxer into separate files. 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-01-21 15:11:52 +00:00