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302 Commits

Author SHA1 Message Date
Michael Niedermayer
5a55d5e445 Merge commit '63fd0d866c8300a8f251a15b1535e9ce40a407fb' 
* commit '63fd0d866c8300a8f251a15b1535e9ce40a407fb':
  output example: allocate the audio frame only once

Conflicts:
	doc/examples/muxing.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-06-26 23:22:08 +02:00
Michael Niedermayer
b9bfd888e5 Merge commit 'edd5f957646dcbf1bb55718bc7bf1e5481c25bcb' 
* commit 'edd5f957646dcbf1bb55718bc7bf1e5481c25bcb':
  output example: use OutputStream for audio streams as well

Conflicts:
	doc/examples/muxing.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-06-26 23:01:52 +02:00
Michael Niedermayer
11991a7d90 Merge commit '5e7b125b6ae36893dfd9cb5661c99b67363cbb38' 
* commit '5e7b125b6ae36893dfd9cb5661c99b67363cbb38':
  output example: use the new AVFrame API to allocate audio frames

Conflicts:
	doc/examples/muxing.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-06-26 22:46:11 +02:00
Michael Niedermayer
a1c4635558 Merge commit 'ac85f631c9a9cc59aaca1c8dd6894fb1f701c594' 
* commit 'ac85f631c9a9cc59aaca1c8dd6894fb1f701c594':
  output example: set output channel layout

Conflicts:
	doc/examples/muxing.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-06-26 22:13:46 +02:00
Michael Niedermayer
8eb1174a9e Merge commit '294daf71a7a1303b5ddd3cbefebed3b732d610f3' 
* commit '294daf71a7a1303b5ddd3cbefebed3b732d610f3':
  output example: use a struct to bundle the video stream variables together

Conflicts:
	doc/examples/muxing.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-06-26 21:55:11 +02:00
Michael Niedermayer
c9083d85df Merge commit '38d044429dabcd28928693240e955c6d4430cca9' 
* commit '38d044429dabcd28928693240e955c6d4430cca9':
  output example: use the new AVFrame API for allocating the video frame

Conflicts:
	doc/examples/muxing.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-06-26 21:30:37 +02:00
Anton Khirnov
a5864e9a25 output example: free the muxing format context properly 2014-06-26 16:08:06 +02:00
Anton Khirnov
182d3f8221 output example: rewrite encoding logic 
Properly generate pts for the frames sent to the encoder, avoid
using private and deprecated AVStream.pts.
 2014-06-26 16:07:34 +02:00
Anton Khirnov
a7fcd4122b output example: store the scaling context in the stream context 2014-06-26 16:07:29 +02:00
Anton Khirnov
6a927d7aaf output example: use a macro instead of a static variable 2014-06-26 16:07:23 +02:00
Anton Khirnov
63fd0d866c output example: allocate the audio frame only once 2014-06-26 16:07:08 +02:00
Anton Khirnov
edd5f95764 output example: use OutputStream for audio streams as well 2014-06-26 16:07:02 +02:00
Anton Khirnov
5e7b125b6a output example: use the new AVFrame API to allocate audio frames 2014-06-26 16:06:54 +02:00
Anton Khirnov
ac85f631c9 output example: set output channel layout 2014-06-26 16:06:48 +02:00
Anton Khirnov
294daf71a7 output example: use a struct to bundle the video stream variables together 2014-06-26 16:05:24 +02:00
Anton Khirnov
38d044429d output example: use the new AVFrame API for allocating the video frame 2014-06-26 16:05:19 +02:00
Michael Niedermayer
afa7ab557a Merge commit '452860d7e056f9a894cac2fe52cdedeae4c38251' 
* commit '452860d7e056f9a894cac2fe52cdedeae4c38251':
  Use av_packet_rescale_ts() to simplify code.

Conflicts:
	doc/examples/muxing.c
	ffmpeg.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-06-20 17:03:58 +02:00
Anton Khirnov
452860d7e0 Use av_packet_rescale_ts() to simplify code. 2014-06-20 14:14:48 +02:00
Lou Logan
88f2586adb fix various typos 
Signed-off-by: Lou Logan <lou@lrcd.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-06-03 10:58:19 -08:00
Stefano Sabatini
bf411fffd4 examples: rename avcodec.c to decoding_encoding.c 
Restore the old name, which was more meaningful and consistent with the
names of the other examples.
 2014-04-23 10:32:42 +02:00
Michael Niedermayer
9b467d3cd5 examples/transcoding: use av_malloc_array() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-08 15:35:14 +02:00
Michael Niedermayer
419800acc4 examples/avio_reading: fix null dereference on error 
Fixed CID1197052
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-06 00:39:58 +02:00
Anshul Maheshwari
6d25e90262 doc/examples/avcodec: information regarding gop_size ignored if frame->pic-type is AV_PICTURE_TYPE_I 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-21 15:21:15 +01:00
Andrey Utkin
e10ab43614 doc/examples: Add example transcoding.c 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-17 20:56:33 +01:00
compn
84bccae8e9 doc: fix typo 2014-03-07 17:07:37 -05:00
Jason Hsu
8fb4dba89d doc/examples/remuxing: dont use the input codec_tag, it may be invalid tor the output 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-05 16:10:06 +01:00
Michael Niedermayer
1f2bacc897 Merge commit 'e7dfaf16a403972eb6aed5ce8f84c0085bd2fb5a' 
* commit 'e7dfaf16a403972eb6aed5ce8f84c0085bd2fb5a':
  libavfilter: example audio filtering program

Conflicts:
	.gitignore
	configure
	doc/Makefile

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-25 20:26:00 +01:00
Anton Khirnov
e7dfaf16a4 libavfilter: example audio filtering program 
Based on a patch by Andrew Kelley <superjoe30@gmail.com>

Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2014-02-25 13:22:10 +01:00
Michael Niedermayer
341639fe80 doc/examples: remove pathes from doxy examples 
This makes the examples page less cluttered

Reviewed-by: Clément Bœsch <u@pkh.me>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-17 13:50:53 +01:00
Michael Niedermayer
1fc74926a5 Merge commit 'b339182eba34f28de5f1a477cdd2c84f1ef35d90' 
* commit 'b339182eba34f28de5f1a477cdd2c84f1ef35d90':
  Move all example programs to doc/examples

Conflicts:
	configure
	doc/Makefile
	doc/doxy-wrapper.sh
	doc/examples/avcodec.c
	doc/examples/decoding_encoding.c
	doc/examples/metadata.c
	doc/examples/muxing.c
	doc/examples/transcode_aac.c
	libavcodec/Makefile
	libavcodec/api-example.c
	libavformat/Makefile

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-17 02:22:01 +01:00
Diego Biurrun
b339182eba Move all example programs to doc/examples 
Also drop support for building examples in library directories.
 2014-02-16 21:37:21 +01:00
Michael Niedermayer
fba1592f35 Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  doc/examples: misc Doxygen markup improvements

Conflicts:
	doc/examples/muxing.c
	doc/examples/transcode_aac.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-14 15:31:14 +01:00
Diego Biurrun
0b9716c455 doc/examples: misc Doxygen markup improvements 
Add properly formatted @example tag and fix Doxygen syntax.
 2014-02-14 12:01:36 +01:00
Stefano Sabatini
60251c13e3 examples/avio_reading: remove stray empty line 2014-02-02 12:35:46 +01:00
Stefano Sabatini
5fc4dea39c examples: add avio_reading.c example 2014-02-02 11:58:23 +01:00
Michael Niedermayer
a85a718f26 doc/examples/decoding_encoding: Check all av_samples_get_buffer_size() returns 
Fixed CID1135755
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-31 03:27:37 +01:00
Stefano Sabatini
ca57659440 examples/filtering_audio,video: do not call avcodec_register_all() 
It is implied by av_register_all(). Simplify.
 2014-01-24 12:20:46 +01:00
Stefano Sabatini
35fe88bb51 examples/muxing: reindent after previous commit 2014-01-23 01:08:24 +01:00
Stefano Sabatini
c92d2f98db examples/muxing: flush encoders at the end 2014-01-23 00:54:33 +01:00
Stefano Sabatini
b539a72bba examples/filtering_audio,video: drop call to avcodec_get_frame_defaults() 
The avcodec_get_frame_defaults() function is deprecated and its use
doesn't seem required.
 2014-01-21 20:08:36 +01:00
Stefano Sabatini
e34ad128a3 examples/muxing: reduce duration, remove wrong and misleading comment 
Set duration to 10 seconds, after it was increased from 5 to 200 seconds
in 8d80f3cb87.

200 seconds will generate too much data which is annoying especially when
testing.
 2014-01-21 11:52:14 +01:00
Stefano Sabatini
9ab8f3738a examples/muxing: remove redundant {} 2014-01-20 13:10:10 +01:00
Stefano Sabatini
b933c72b5e examples/muxing: change error checks, from "ret != 0" to "ret < 0" 
More consistent and more future-proof.
 2014-01-20 13:10:10 +01:00
Stefano Sabatini
d72c742d47 examples/muxing: factorize write_interleave code 
Also log output packet information.
 2014-01-20 13:10:10 +01:00
Stefano Sabatini
5e2b8e4934 examples: add remuxing example 
Show how to perform streamcopy from one container to another.
 2014-01-20 13:10:10 +01:00
Stefano Sabatini
d497141b85 examples/muxing: simplify video PTS setting 
Rely on frame_count. Also more consistent with audio path.
 2014-01-12 09:25:48 +01:00
Andre Anjos
23ffc4c70d doc/examples/muxing: Fixes frame initialization. 
Fixes use of the example with encoders which use tha AVFrame w/h/pix_fmt fields
FFV1 is one of these codecs

We cannot easily workaround the not set fields in common code because the API
has AVFrame constant for the encoders.
Alternatives would be to fix the API or to duplicate the struct and fill in
missing fields. Or as is to require all user apps to set this correctly and
maybe simplify for that case

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-09 18:12:24 +01:00
Stefano Sabatini
094c500caf examples/muxing: set timestamps in output audio packet 
In particular, fix trac ticket #3231.
 2014-01-09 10:54:38 +01:00
Stefano Sabatini
8d22d37e54 examples/muxing: use av_frame_free() in place of av_free() 2014-01-09 10:51:57 +01:00
Stefano Sabatini
9abe4a10fd examples/muxing: reuse global audio frame 
Simplify logic, avoid multiple unnecessary alloc/free operations.
 2014-01-09 10:51:52 +01:00
Stefano Sabatini
80bca6eabe examples/muxing: honour distinction between encoder PTS timebase and stream timebase 
Fix PTS set on the frame when encoding, which must be specified in the
encoder timebase or this will confuse the encoder.

When muxing the packet, the PTS/DTS generated by the encoder is then
rescaled to the stream timebase.
 2014-01-09 10:51:47 +01:00
Stefano Sabatini
eadc421259 examples/muxing: set sample formats from list of codec supported sample formats 
Avoid the need of tweaking, also show how to get list of supported sample
formats.
 2014-01-09 10:51:41 +01:00
Stefano Sabatini
2503928a2f examples/decoding_encoding: fix style nits 2014-01-07 13:08:11 +01:00
Ilya Basin
d1b8e01ef1 examples/muxing: fix memleaks in resampler 
- do not allocate resample dst buffer when resample is off
  - free sample buffers in addition to freeing data pointer arrays

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-21 12:22:49 +01:00
Ilya Basin
7d1d0b3ecf examples/muxing: use S16 sample_fmt for resample src regardless of codec sample_fmt 
We generate S16 samples and we should allocate the right buffer

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-21 12:21:05 +01:00
Ilya Basin
b6714fa077 examples/muxing: fix av_frame_free() not called when got_packet is false 
Hi list! Since my last patch (fix 2 memleaks in doc/examples/muxing.c)
I found more problems to fix.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-21 12:20:44 +01:00
Stefano Sabatini
b2a4316287 examples/decoding_encoding: check av_samples_get_buffer_size() for a negative value 
Fix broken != 0 check.
 2013-12-15 20:09:26 +01:00
Timothy Gu
c65fe9e982 examples/decoding_encoding: check av_samples_get_buffer_size() return code 
Fixes CID1135756.

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
 2013-12-14 14:02:49 +01:00
Timothy Gu
b242c156e5 examples/resample_audio: check av_samples_get_buffer_size() return code 
Fixes CID1135757.

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
 2013-12-14 14:02:33 +01:00
Clément Bœsch
b02d87936b examples/demuxing_decoding: print the decoding error when it happens. 2013-12-13 10:37:20 +01:00
Even Wiik Thomassen
43f116d162 examples/demuxing_decoding: return error when no codec found 
The open_codec_context function, when it fails to find a codec, now
return AVERROR(EINVAL) to signal an error.

Before it would return the stream index, which was always >= 0, and
continue as if a codec was found. This change make it fail faster,
instead of repeated failed tries to decode frames with no codec.

Signed-off-by: Even Wiik Thomassen <e.thomassen@sportradar.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
 2013-12-13 09:45:54 +01:00
Michael Niedermayer
525a7d9b78 Merge commit '48d17ee6dc2b2a552f645484f200c2946bf24607' 
* commit '48d17ee6dc2b2a552f645484f200c2946bf24607':
  api-example: remove an unneeded call to avcodec_get_frame_defaults().

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-12 00:19:53 +01:00
Michael Niedermayer
4cbf3eb9e6 Merge commit 'eb891b3114f499e96b9faddd0b0ae856345dfbd9' 
* commit 'eb891b3114f499e96b9faddd0b0ae856345dfbd9':
  Replace all uses of avcodec_free_frame with av_frame_free().

Conflicts:
	doc/examples/decoding_encoding.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-11 23:18:51 +01:00
Anton Khirnov
eb891b3114 Replace all uses of avcodec_free_frame with av_frame_free(). 2013-12-11 20:39:54 +01:00
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