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188 Commits

Author SHA1 Message Date
Michael Niedermayer
210a78aeb5 doc/examples/filtering_audio: init packet0.data 
Fixes use of uinitialized data and crash

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-03 00:01:07 +01:00
Stefano Sabatini
c490cd4c1a doc/examples/filtering_audio: fix chunked audio decoding 
Support the case when multiple frames are contained in a single packet.
In particular, fix fate-samples/lossless-audio/luckynight-partial.shn
sample decoding.
 2013-12-02 15:21:52 +01:00
Stefano Sabatini
893f33e7f0 doc/examples/filtering_audio: fix style 2013-12-02 15:08:00 +01:00
Stefano Sabatini
c7a99d99bd doc/examples/filtering_video: do not make use of AVBufferSinkParams 
Set the value on the filter context instead. Simplify.
 2013-12-02 14:35:40 +01:00
Stefano Sabatini
3aa6018010 doc/examples/filtering_video: add some error handling in init_filters() 2013-12-02 14:35:39 +01:00
Stefano Sabatini
a12bf9f50f doc/examples/README: fix typo 2013-12-02 14:35:39 +01:00
Stefano Sabatini
55c57658d2 doc/examples/filtering_audio: add more error checks 2013-12-02 14:35:39 +01:00
Stefano Sabatini
82e74ee6e4 doc/examples/filtering: make use of av_err2str() 
Simplify.
 2013-12-02 14:35:31 +01:00
Clément Bœsch
0d2c832445 doc/examples: update README. 2013-11-28 14:08:06 +01:00
Clément Bœsch
a8ac2a1530 doc/examples: make fill_samples static. 
This is required to build with FFmpeg compilation options.
 2013-11-28 13:54:44 +01:00
Clément Bœsch
e5102feb6b doc/examples: add transcode_aac to local Makefile. 2013-11-28 13:19:50 +01:00
Michael Niedermayer
ba728c1a25 doc/examples/transcode_aac: remove non converted codepath 
This codepath is not implemented and just crashes, also its simpler
without special cases, which makes sense for an example

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-11-27 11:22:19 +01:00
Michael Niedermayer
7497c894cd doc/examples/transcode_aac: switch to swresample 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-11-27 11:15:48 +01:00
Michael Niedermayer
02abc905cd doc/examples/transcode_aac: fix project name 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-11-27 10:52:05 +01:00
Michael Niedermayer
715f3623f8 Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  Add an audio transcoding example.

Conflicts:
	configure
	doc/Makefile

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-11-27 10:31:08 +01:00
Andreas Unterweger
10421bcf0a Add an audio transcoding example. 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2013-11-27 09:20:05 +01:00
Diego Biurrun
ab81f24ad4 build: Integrate multilibrary examples into the build system 
This includes moving libavformat/output-example to doc/examples/output.
 2013-11-25 11:57:29 -08:00
Stefano Sabatini
50a28b1393 doc/examples: do not check NULL values for avcodec_close() 
avcodec_close() does nothing in case the argument is NULL. Simplify.
 2013-11-21 23:29:56 +01:00
Clément Bœsch
1f7b7d5447 doc/examples: fix mem issues in filtering_video. 2013-11-19 10:31:39 +01:00
Michael Niedermayer
0ee905e243 Merge commit '5b9c3b4505206143d85398c1410949319fa1180f' 
* commit '5b9c3b4505206143d85398c1410949319fa1180f':
  Replace all instances of avcodec_alloc_frame() with av_frame_alloc().

Conflicts:
	doc/examples/decoding_encoding.c
	doc/examples/muxing.c
	ffmpeg.c
	libavcodec/alacenc.c
	libavcodec/libopenjpegenc.c
	libavcodec/libvpxenc.c
	libavcodec/pcm.c
	libavcodec/xbmenc.c
	libavcodec/xwdenc.c
	libavformat/utils.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-11-16 23:54:10 +01:00
Clément Bœsch
fb10b43fc4 doc/examples: rename demuxing to demuxing_decoding. 
That example shows how the decoding process works, not only the
demuxing.
 2013-11-04 12:53:06 +01:00
Clément Bœsch
d10b1a200d doc/examples/demuxing: show how to use the reference counting system. 2013-11-04 12:53:06 +01:00
Clément Bœsch
0c6bb53bb2 doc/examples/demuxing: reset got_frame. 
Fix infinite loop at flushing.
 2013-10-30 14:37:58 +01:00
Clément Bœsch
dc8f732292 doc/examples: fix lib math dep for resampling_audio. 
It uses at least sin()
 2013-09-04 15:49:18 +02:00
Clément Bœsch
98b9bbb787 doc/examples: remove extra "the". 
"into the doc/examples directory" vs "into doc/examples".
 2013-09-04 15:46:31 +02:00
Michael Niedermayer
f187390907 doc/examples/filtering_audio: make const arrays also static 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-03 22:22:03 +02:00
wm4
72f5a6d067 examples: demuxing: print ffplay command even if sample format is planar 
Adjust the code so that a working ffplay command is printed in the
planar audio case.
 2013-07-19 12:14:54 +02:00
wm4
9f31c1608c examples: demuxing: simplify audio output 
There is no reason why this should copy the audio data in a very
complicated way. Also, strictly write the first plane, instead of
writing the whole buffer. This is more helpful in context of the
example. This way a user can clearly confirm that it works by playing
the written data as raw audio.
 2013-07-19 12:14:46 +02:00
wm4
06b269dacb examples: demuxing: do partial audio packet decoding 
This assumes one audio packet is decoded one time. This is not true:
packets can be partially decoded. Then you have to "adjust" the packet
and pass the undecoded part of the packet to the decode function again.
 2013-07-19 12:14:23 +02:00
Stefano Sabatini
2aa2b4ac65 examples/muxing: add support to audio resampling 
Allows to encode to output in case the destination sample format is
different from AV_SAMPLE_FMT_S16.
 2013-07-06 12:31:16 +02:00
Stefano Sabatini
838bd73139 lavfi: create Libav-API compatibility layer for avfilter_graph_parse() at the next bump 
Add function avfilter_graph_parse_ptr() and favor it in place of
avfilter_graph_parse(), which will be restored with the old/Libav
signature at the next bump.

If HAVE_INCOMPATIBLE_LIBAV_API is enabled it will use the
Libav-compatible signature for avfilter_graph_parse().

At the next major bump the current implementation of
avfilter_graph_parse() should be dropped in favor of the Libav/old
implementation.

Should address trac ticket #2672.
 2013-07-03 13:21:42 +02:00
Stefano Sabatini
759dfd5684 examples/muxing: make more compact audio/video_time computation 2013-07-03 11:31:34 +02:00
Stefano Sabatini
80b56a7bdd examples/muxing: rename audio/video_pts to audio/video_time 
The new name is less confusing, since the variables represent times
rather than timestamps.
 2013-06-26 23:38:42 +02:00
Stefano Sabatini
c58d535b2f examples/Makefile: disable -O2 optimizations 
There is no much point in optimizing example code, and the -O2 flag is
annoying when debugging.
 2013-06-26 23:21:39 +02:00
Stefano Sabatini
3aa57e1582 examples/muxing: remove useless instruction 
Simpler and less confusing.
 2013-06-26 23:21:06 +02:00
Stefano Sabatini
4b6cf1ce0e examples/muxing: vertically align 2013-06-25 21:36:53 +02:00
Nicolas George
300ca0763b examples/filtering_audio: fix frame leak. 
The frame is not used after being added to the filter
graph, there is no need to keep the reference.
 2013-04-18 17:03:01 +02:00
Pavel Koshevoy
e5644313c5 examples/filtering_audio: get rid of AVABufferSinkParams 
AVABufferSinkParams are ignored by avfilter_graph_create_filter,
therefore the example is misleading.  Use av_opt_set_int_list to
configure abuffersink directly.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-17 11:11:57 +02:00
Michael Niedermayer
f2619cbd61 examples/filtering_audio: enable ref counted frames 
Fixes accessing freed memory

Signe-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-17 11:11:57 +02:00
Clément Bœsch
9ab221f8d8 lavfi: deprecate aconvert. 
This filter is not required anymore with aformat. Drop it at next bump.
 2013-04-11 22:13:45 +02:00
Michael Niedermayer
e7389ed5d0 Merge commit 'bcc94328980e6c56546792ab08b0756abdce310b' 
* commit 'bcc94328980e6c56546792ab08b0756abdce310b':
  opt: check the return values of av_get_token for ENOMEM.
  doc: Fix best_nb_channells typo
  matroska: pass the lace size to the matroska_parse_rm_audio

Conflicts:
	libavformat/matroskadec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-04 13:00:59 +02:00
Stefano Sabatini
66c92a1575 examples/resampling_audio: make use of av_samples_alloc_array_and_samples() 
Simplify.
 2013-03-31 18:00:45 +02:00
Stefano Sabatini
9bb25dbd13 examples/filtering_*: constify AVFrame * for print_frame() and display_frame() functions 2013-03-14 21:39:15 +01:00
Stefano Sabatini
9076a6a943 examples/filtering_audio: update to new API 
In particular, fix crash.
 2013-03-14 21:39:09 +01:00
Stefano Sabatini
f0da370a52 examples/filtering_video: update to new API 
In particular, fix crash.
 2013-03-14 21:39:01 +01:00
Nicolas George
ceac5c54dd Remove references to the "ff" variant of buffersink. 2013-03-12 23:31:07 +01:00
Michael Niedermayer
5743095ca9 Merge commit '9d3009c6c4b9b6734f07df7c88f6a42ded6cdf38' 
* commit '9d3009c6c4b9b6734f07df7c88f6a42ded6cdf38':
  avconv: print an error on applying options of the wrong type.
  atomic: Check for __sync_val_compare_and_swap instead of __sync_synchronize
  output-example: Update to use encode_video2 instead of the now dropped encode_video

Conflicts:
	doc/examples/muxing.c
	ffmpeg_opt.c
	libavutil/atomic.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-03-12 18:10:35 +01:00
Clément Bœsch
5e4bc96415 doc: fix examples. 2013-03-10 01:41:53 +01:00
Nicolas George
9b211c43dc examples/muxing: fix memory leak. 
Do not re-call avcodec_get_context_defaults3(), it is already
called by avformat_new_stream() and it leaks the codec
priv_data that was already allocated.

Use avformat_free_context() instead of freeing (not)
everything manually.

Fix trac ticket #2322.
 2013-03-05 15:43:32 +01:00
Michael Niedermayer
5ade6bfb03 doc/examples/demuxing: use AVFrame accessor functions 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-03-01 22:40:50 +01:00