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Gaurav Narula [Wed, 18 Jan 2012 19:54:04 +0000 (20:54 +0100)]
avprobe, cmdutils: K&R formatting cosmetics
Gaurav Narula [Wed, 18 Jan 2012 19:51:54 +0000 (20:51 +0100)]
tests: K&R formatting cosmetics for test programs
Anton Khirnov [Wed, 18 Jan 2012 07:07:40 +0000 (08:07 +0100)]
lavf: free packets for muxers implementing interleave_packet().
Fixes a memleak.
Anton Khirnov [Wed, 18 Jan 2012 06:59:02 +0000 (07:59 +0100)]
lavf: fix and extend av_interleaved_write_frame() doxy.
Specify that lavf is responsible for freeing the data.
Alex Converse [Wed, 18 Jan 2012 00:58:16 +0000 (16:58 -0800)]
mov: Remove dead stores for spherical coordinates for channel position.
Donald Ovcharov [Sat, 17 Dec 2011 19:30:01 +0000 (21:30 +0200)]
error_resilience: K&R formatting cosmetics
Signed-off-by: Diego Biurrun <diego@biurrun.de>
Anton Khirnov [Tue, 17 Jan 2012 12:38:35 +0000 (13:38 +0100)]
RELEASE_NOTES: mention hiding private symbols in shared builds.
Anton Khirnov [Tue, 17 Jan 2012 11:42:34 +0000 (12:42 +0100)]
RELEASE_NOTES: mention some notable API changes in 0.8
Justin Ruggles [Sat, 7 Jan 2012 15:25:32 +0000 (10:25 -0500)]
tta: cast output data pointer to the correct type
fixes "warning: assignment from incompatible pointer type"
Anton Khirnov [Mon, 2 Jan 2012 08:22:41 +0000 (09:22 +0100)]
avconv: fix -frames for video encoders with delay.
Frames must be counted when they are passed to the encoder, not when
they come out.
Fixes Bug 202.
Janne Grunau [Sun, 15 Jan 2012 18:16:02 +0000 (19:16 +0100)]
rv34: add NEON rv34_idct_add
Overall almost 4% faster, idct_add down from 350 to 85 cycles, idct_dc_add
down from 83 to 30 cycles.
squash: rv34 idct rearrange partial register loads
Christophe GISQUET [Tue, 3 Jan 2012 19:38:29 +0000 (20:38 +0100)]
rv34: 1-pass inter MB reconstruction
Implement 1-pass inverse transform and reconstruction for inter blocks.
Paul B Mahol [Sat, 14 Jan 2012 19:29:59 +0000 (19:29 +0000)]
add SMJPEG muxer
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
Paul B Mahol [Sat, 14 Jan 2012 16:47:07 +0000 (16:47 +0000)]
avformat: split out common SMJPEG code
This is a preparation for adding SMJPEG muxer.
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
Laurentiu Ion [Mon, 16 Jan 2012 02:47:07 +0000 (04:47 +0200)]
pictordec: Use bytestream2 functions
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
Justin Ruggles [Sat, 31 Dec 2011 14:36:25 +0000 (09:36 -0500)]
avconv: use avcodec_encode_audio2()
Justin Ruggles [Sun, 8 Jan 2012 22:37:16 +0000 (17:37 -0500)]
pcmenc: use AVCodec.encode2()
Justin Ruggles [Mon, 19 Dec 2011 00:47:38 +0000 (19:47 -0500)]
avcodec: bump minor version and add APIChanges for the new audio encoding API
Justin Ruggles [Sun, 18 Dec 2011 18:20:15 +0000 (13:20 -0500)]
avcodec: Add avcodec_encode_audio2() as replacement for avcodec_encode_audio()
This allows audio encoders to optionally take an AVFrame as input and write
encoded output to an AVPacket.
This also adds AVCodec.encode2() which will also be usable by video and
subtitle encoders once support is implemented in the public functions.
Justin Ruggles [Thu, 15 Dec 2011 22:56:06 +0000 (17:56 -0500)]
avcodec: add a public function, avcodec_fill_audio_frame().
This is a convenience function for the user to fill audio AVFrame information.
Christophe GISQUET [Mon, 2 Jan 2012 23:22:11 +0000 (00:22 +0100)]
rv34: Intra 16x16 handling
Extract processing of intra 16x16 blocks from intra macroblock
processing.
Also implement a function performing inverse transform and block
reconstruction for DC-only blocks in 1 pass instead of 2.
Christophe GISQUET [Mon, 2 Jan 2012 19:53:54 +0000 (20:53 +0100)]
rv34: Inter/intra MB code split
Split inter/intra macroblock handling code. This will allow further
optimizations such as performing inverse transform and block reconstruction
in a single pass as well as specialize code.
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
Diego Biurrun [Thu, 12 Jan 2012 23:58:22 +0000 (00:58 +0100)]
fate: split ADPCM and DPCM test references into separate files.
Daniel Huang [Sat, 14 Jan 2012 21:25:12 +0000 (15:25 -0600)]
mov, mxfdec: Employ more meaningful return values.
Signed-off-by: Diego Biurrun <diego@biurrun.de>
Reinhard Tartler [Sun, 15 Jan 2012 19:32:11 +0000 (20:32 +0100)]
lavc: Relax API strictness in avcodec_decode_audio3 with a custom get_buffer()
Do not fail audio decoding with avcodec_decode_audio3 if user has set a
custom get_buffer. Strictly speaking, this was never allowed by the API,
but it seems that some software packages did so anyways. In order to
unbreak applications (cf. http://bugs.debian.org/655890), this change
clarifies the API and overrides the custom get_buffer() with the defaults.
This change is inspired by a similar
commit (
c3846e3ebab610be691adb8b40d376dc2f675dc4) in FFmpeg.
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
Kostya Shishkov [Sun, 15 Jan 2012 13:23:28 +0000 (14:23 +0100)]
wavpack: fix clipping for 32-bit lossy mode
Reference decoder clips data before shifting it to final range and also
forces 32-bit lossy mode to be actually 24-bit lossy mode in order to be
able to perform proper clipping.
Laurentiu Ion [Sat, 14 Jan 2012 19:04:59 +0000 (21:04 +0200)]
vb: Use bytestream2 functions
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
Aneesh Dogra [Fri, 13 Jan 2012 17:35:57 +0000 (23:05 +0530)]
sgidec: Use bytestream2 functions to prevent buffer overreads.
The patch also adds several bytestream macros to deal with native endian.
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
Diego Biurrun [Fri, 13 Jan 2012 15:35:54 +0000 (16:35 +0100)]
cosmetics: Move static and inline attributes to more standard places.
Fixes several "‘static’ is not at beginning of declaration" warnings.
Stefano Sabatini [Fri, 13 Jan 2012 15:23:55 +0000 (16:23 +0100)]
configure: provide libavfilter/version.h header to get_version()
Fix libavfilter library version numbers generation, which was broken in
3167dc9515810bbdd86d99d773bcf84657d2e72a.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Ronald S. Bultje [Fri, 13 Jan 2012 19:21:15 +0000 (11:21 -0800)]
swscale: change yuv2yuvX code to use cpuflag().
Martin Storsjö [Fri, 13 Jan 2012 21:41:16 +0000 (23:41 +0200)]
libx264: Don't leave max_b_frames as -1 if the user didn't set it
max_b_frames is initialized to -1 for libx264, to allow
distinguishing between an explicit user set 0 and a default not
touched 0 (see
bb73cda2).
If max_b_frames is left as -1, this affects dts generation (where
expressions like max_b_frames != 0 are used), so make sure it is
left at the default 0 after the libx264 init function returns.
This avoids unnecessarily producing dts != pts when using
profile=baseline.
Signed-off-by: Martin Storsjö <martin@martin.st>
Justin Ruggles [Fri, 13 Jan 2012 23:40:12 +0000 (18:40 -0500)]
FATE: convert output to rgba for the targa tests which currently output pal8
fixes the tests on big-endian systems
Janne Grunau [Fri, 13 Jan 2012 22:52:59 +0000 (23:52 +0100)]
fate: add missing reference files for targa tests in
9c2f9b0e2
Fixes fate-targa-conformance-CCM8 and fate-targa-conformance-UCM8.
Justin Ruggles [Fri, 13 Jan 2012 21:41:15 +0000 (16:41 -0500)]
FATE: enable the 2 remaining targa conformance suite tests
Justin Ruggles [Mon, 2 Jan 2012 20:17:12 +0000 (15:17 -0500)]
targa: add support for rgb555 palette
Justin Ruggles [Fri, 13 Jan 2012 21:14:48 +0000 (16:14 -0500)]
FATE: fix targa tests on big-endian systems
Justin Ruggles [Thu, 12 Jan 2012 01:06:46 +0000 (20:06 -0500)]
FATE: add tests for targa
Based on a patch by Oana Stratulat <oanaandreeastratulat@gmail.com>
Mans Rullgard [Fri, 13 Jan 2012 19:03:14 +0000 (19:03 +0000)]
ARM: fix Thumb-mode simple_idct_arm
The alignment directive must obviously precede the label.
This was never noticed in ARM mode since the location is
already aligned there.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Mans Rullgard [Fri, 13 Jan 2012 18:56:36 +0000 (18:56 +0000)]
ARM: 4-byte align start of all asm functions
Due to apprent bugs in the GNU assembler and/or linker, relocations
can be incorrectly processed if the alignment of a Thumb instruction
is changed in the output file compared to the input object.
This fixes crashes in h264 decoding with Thumb enabled. No effect in
ARM mode since everything is 4-byte aligned there.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Paul B Mahol [Thu, 12 Jan 2012 20:28:47 +0000 (20:28 +0000)]
rgb2rgb: rgb12to15()
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
Ronald S. Bultje [Thu, 12 Jan 2012 23:38:37 +0000 (15:38 -0800)]
swscale-test: fix stack overread.
Fixes problems in swscale-test where it gives a 3-member array to a
function expecting a 4-member array.
Ronald S. Bultje [Thu, 12 Jan 2012 23:37:58 +0000 (15:37 -0800)]
swscale: fix invalid conversions and memory problems.
Fixes problems where rgbToRgbWrapper() is called even though it doesn't
support this particular conversion (e.g. converting from RGB444 to
anything). Thirdly, fixes issues where rgbToRgbWrapper() is called for
non-native endiannness conversions (e.g. RGB555BE on a LE system).
Fourthly, fixes crashes when converting from e.g. monowhite to
monowhite, which calls planarCopyWrapper() and overwrites/reads because
n_bytes != n_pixels.
Diego Biurrun [Thu, 12 Jan 2012 20:56:02 +0000 (21:56 +0100)]
cabac: split cabac.h into declarations and function definitions
This fixes standalone compilation of some decoders with --disable-optimizations.
cabac.h defines some inline functions that use symbols from cabac.c. Without
optimizations these inline functions are not eliminated and linking fails with
references to non-existing symbols.
Splitting the inline functions off into their own header and only #including
it in the places where the inline functions are used allows #including cabac.h
from anywhere without ill effects.
Diego Biurrun [Thu, 12 Jan 2012 20:35:34 +0000 (21:35 +0100)]
cabac: Mark ff_h264_mps_state array as static, it is only used within cabac.c.
Diego Biurrun [Thu, 12 Jan 2012 20:11:27 +0000 (21:11 +0100)]
cabac: Remove ff_h264_lps_state array.
It was only ever used in the cabac test program, but never initialized.
Alex Converse [Thu, 12 Jan 2012 19:12:24 +0000 (11:12 -0800)]
utils: Check for extradata size overflows.
Mans Rullgard [Thu, 12 Jan 2012 19:37:31 +0000 (19:37 +0000)]
ARM: rv34: fix asm syntax in dc transform functions
Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
Martin Storsjö [Thu, 12 Jan 2012 15:06:04 +0000 (17:06 +0200)]
avio: Fix the value of the deprecated URL_FLAG_NONBLOCK
This isn't used in practice anywhere within libav at the moment,
but change it for consistency until it is removed.
URL_RDONLY/WRONLY were fixed in commit
5b81e295931 (after the
values that actually were used were changed at the major bump,
in commit
cbea3ac8), but this flag was unintentionally left unfixed.
Signed-off-by: Martin Storsjö <martin@martin.st>
Janne Grunau [Wed, 11 Jan 2012 19:10:23 +0000 (20:10 +0100)]
rv34: fix and optimise frame dependency checking
The sporadic threading errors during fate-rv30 were caused by calling
ff_thread_await_progress with mb row -1 as argument. That returns
immediately since progress is initialized to -1. Not yet computed
motion vectors from the reference could be used for the first
macroblocks.
Janne Grunau [Thu, 12 Jan 2012 16:21:48 +0000 (17:21 +0100)]
rv34: NEON optimised dc only inverse transform
30-50% faster than the C implementation, 0.5% overall speedup on
bourne.rmvb.
Anton Khirnov [Thu, 12 Jan 2012 08:45:13 +0000 (09:45 +0100)]
avprobe: use avio_size() instead of deprecated AVFormatContext.file_size.
Anton Khirnov [Thu, 12 Jan 2012 08:38:13 +0000 (09:38 +0100)]
ffmenc: remove references to deprecated AVFormatContext.timestamp.
Anton Khirnov [Thu, 12 Jan 2012 08:36:11 +0000 (09:36 +0100)]
lavf: undeprecate read_seek().
The "new seeking API" was never finished and nobody is working on it.
Anton Khirnov [Thu, 12 Jan 2012 08:33:16 +0000 (09:33 +0100)]
avserver: remove code using deprecated CODEC_CAP_PARSE_ONLY.
Anton Khirnov [Thu, 12 Jan 2012 08:29:43 +0000 (09:29 +0100)]
lavc: replace some remaining FF_I_TYPE with AV_PICTURE_TYPE_I
Anton Khirnov [Thu, 12 Jan 2012 08:28:15 +0000 (09:28 +0100)]
lavc: ifdef out parse_only AVOption
Anton Khirnov [Thu, 12 Jan 2012 08:26:11 +0000 (09:26 +0100)]
nellymoserdec: SAMPLE_FMT -> AV_SAMPLE_FMT
Anton Khirnov [Thu, 12 Jan 2012 08:25:05 +0000 (09:25 +0100)]
mpegvideo_enc: ifdef out/replace references to deprecated codec flags.
Anton Khirnov [Thu, 12 Jan 2012 08:12:59 +0000 (09:12 +0100)]
riff: remove references to sonic codec ids
They are deprecated and will be purged on next major bump.
Kostya Shishkov [Thu, 12 Jan 2012 09:01:33 +0000 (10:01 +0100)]
indeo4: add some missing static and const qualifiers
From the patch by Reimar Döffinger.
Christophe GISQUET [Sun, 1 Jan 2012 17:33:22 +0000 (18:33 +0100)]
rv34: DC-only inverse transform
When decoding coefficients, detect whether the block is DC-only, and take
advantage of this knowledge to perform DC-only inverse transform.
This is achieved by:
- first, changing the 108x4 element modulo_three_table into a 108 element
table (kind of base4), and accessing each value using mask and shifts.
- then, checking low bits for 0 (as they represent the presence of higher
frequency coefficients)
Also provide x86 SIMD code for the DC-only inverse transform.
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
Anton Khirnov [Sat, 31 Dec 2011 16:15:50 +0000 (17:15 +0100)]
avconv: use AVFrame.width/height/format instead of corresponding AVCodecContext fields
Anton Khirnov [Sat, 31 Dec 2011 15:20:10 +0000 (16:20 +0100)]
lavfi: move version macros to a new installed header version.h
Anton Khirnov [Fri, 30 Dec 2011 19:56:06 +0000 (20:56 +0100)]
vsrc_buffer: release the buffer on uninit.
Paul B Mahol [Wed, 11 Jan 2012 19:19:00 +0000 (19:19 +0000)]
rgb2rgb: rgb12tobgr12()
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
Alex Converse [Wed, 11 Jan 2012 22:03:57 +0000 (14:03 -0800)]
latmdec: Check AudioSpecificConfig length before decoding extradata.
This is different than a normal get_bits() over read because
decode_audio_specific_config() creates its own GetBitContext.
Fixes Bug 170.
Henrik Gramner [Wed, 11 Jan 2012 17:40:34 +0000 (17:40 +0000)]
fft: init functions with INIT_XMM/YMM.
This is required to handle clobbering of XMM registers on Win64
correctly. Fixes FFT and all tests depending on FFT on Win64.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
Justin Ruggles [Tue, 10 Jan 2012 20:17:39 +0000 (15:17 -0500)]
pcmenc: set frame_size to 0.
This indicates that the actual frame size is based on the buf_size passed to
avcodec_encode_audio().
Justin Ruggles [Mon, 9 Jan 2012 18:49:52 +0000 (13:49 -0500)]
gsm demuxer: use generic seeking instead of a gsm-specific function.
Since packets all contain only a single block, the generic seek function can
be used while still maintaining block-accuracy.
Justin Ruggles [Mon, 9 Jan 2012 18:48:46 +0000 (13:48 -0500)]
gsm demuxer: return packets with only 1 gsm block at a time.
fixes stream copy of raw gsm to mov.
tested with QuickTime.
Justin Ruggles [Mon, 9 Jan 2012 00:50:31 +0000 (19:50 -0500)]
avcodec: add GSM parser
The WAVE demuxer returns packets with many blocks per frame, which needs to be
parsed into single blocks. This has a side-effect of fixing the timestamps.
Diego Biurrun [Wed, 11 Jan 2012 09:50:35 +0000 (10:50 +0100)]
doc: Replace ffmpeg references in avserver config file by avconv.
Diego Biurrun [Wed, 11 Jan 2012 09:49:49 +0000 (10:49 +0100)]
doc: Fix names of av_log color environment variables.
Diego Biurrun [Mon, 12 Dec 2011 20:21:24 +0000 (21:21 +0100)]
Fix a bunch of platform name and other typos.
Reinhard Tartler [Wed, 11 Jan 2012 08:32:56 +0000 (09:32 +0100)]
Add some missing changelog entries and release 0.8_beta2
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
Reinhard Tartler [Tue, 10 Jan 2012 16:52:50 +0000 (17:52 +0100)]
No longer build libpostproc by default
update documentation to inform developers that it may be removed in a
later release.
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
Janne Grunau [Wed, 11 Jan 2012 00:34:30 +0000 (01:34 +0100)]
wtv: fix memleaks during normal operation
Janne Grunau [Tue, 10 Jan 2012 16:21:52 +0000 (17:21 +0100)]
threads: add CODEC_CAP_AUTO_THREADS for libvpx and xavs
Janne Grunau [Fri, 9 Sep 2011 12:26:32 +0000 (14:26 +0200)]
rv34: frame-level multi-threading
Statistics for bourne.rmvb -an -f null
1 thread: 37.12s user 0.03s system 99% cpu 37.174 total
2 threads: 47.63s user 0.24s system 185% cpu 25.807 total
4 threads: 41.21s user 0.30s system 327% cpu 12.674 total
Janne Grunau [Tue, 10 Jan 2012 14:08:20 +0000 (15:08 +0100)]
mpegvideo: claim ownership of referenced pictures
Under certain conditions pictures could be released before they were
returned with frame-threading. Broken mv computation in the upcoming
rv34 frame-threading patch was caused by this.
To prevent contexts from running out of available pictures the loop
releasing "unused" pictures has to be run for B frames too.
Alex Converse [Tue, 10 Jan 2012 21:07:09 +0000 (13:07 -0800)]
aacsbr: prevent out of bounds memcpy().
Fixes Libav Bug 195.
This doesn't make the code handle sample rate or upsample/downsample
change properly but this is still a good sanity check.
Based on change by Michael Niedermayer.
Signed-off-by: Alex Converse <alex.converse@gmail.com>
Justin Ruggles [Tue, 10 Jan 2012 13:48:23 +0000 (08:48 -0500)]
ipmovie: fix pts for CODEC_ID_INTERPLAY_DPCM
frame sample count calculation was incorrect
Justin Ruggles [Tue, 10 Jan 2012 14:24:21 +0000 (09:24 -0500)]
sierravmd: fix audio pts
The duration of the first packet was being calculated incorrectly, leading to
an incorrect timestamp offset.
Aneesh Dogra [Tue, 10 Jan 2012 18:08:03 +0000 (23:38 +0530)]
bethsoftvideo: Use bytestream2 functions to prevent buffer overreads.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
Paul B Mahol [Tue, 10 Jan 2012 16:06:02 +0000 (16:06 +0000)]
bmpenc: support for PIX_FMT_RGB444
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
Ronald S. Bultje [Sun, 20 Nov 2011 23:54:15 +0000 (15:54 -0800)]
swscale: fix crash in fast_bilinear code when compiled with -mred-zone.
Additional comments from Måns Rullgard have been integrated
by Reinhard Tartler.
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
Oka Motofumi [Tue, 10 Jan 2012 14:39:04 +0000 (06:39 -0800)]
swscale: specify register type.
Fixes a compilation failure on win64.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
Janne Grunau [Mon, 9 Jan 2012 01:06:59 +0000 (02:06 +0100)]
rv34: use get_bits_left()
It is not necessary to store the bit stream length in a RV34DecContext
field.
Anton Khirnov [Mon, 2 Jan 2012 14:02:46 +0000 (15:02 +0100)]
avconv: reinitialize the filtergraph on resolution change.
This is a hopefully temporary solution until lavfi can properly deal
with resolution changes.
Anton Khirnov [Tue, 3 Jan 2012 10:18:00 +0000 (11:18 +0100)]
vsrc_buffer: error on changing frame parameters.
Anton Khirnov [Tue, 10 Jan 2012 08:13:32 +0000 (09:13 +0100)]
avconv: fix -copyinkf.
This option only applies to streamcopy, but is currently processed only
when encoding.
Martin Storsjö [Tue, 10 Jan 2012 14:37:40 +0000 (16:37 +0200)]
fate: Update file checksums after the mov muxer change in
a78dbada55d6
Signed-off-by: Martin Storsjö <martin@martin.st>
Martin Storsjö [Mon, 9 Jan 2012 16:35:01 +0000 (18:35 +0200)]
movenc: Don't store a nonzero creation time if nothing was set by the caller
If the creation time is stored in the file as a zero, the
mov demuxer skips exporting the creation time. Currently,
files muxed without a creation time get demuxed with a
Jan 1st 1970 creation timestamp.
Signed-off-by: Martin Storsjö <martin@martin.st>
Paul B Mahol [Mon, 9 Jan 2012 23:37:24 +0000 (23:37 +0000)]
bmpdec: support for rgb444 with bitfields compression
Do not display garbage for invalid/unsupported bitfields values.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
Paul B Mahol [Tue, 10 Jan 2012 02:54:34 +0000 (02:54 +0000)]
rgb2rgb: allow conversion for <15 bpp
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
Luca Barbato [Sun, 8 Jan 2012 16:49:43 +0000 (17:49 +0100)]
doc: fix stray reference to FFmpeg
Luca Barbato [Sat, 7 Jan 2012 09:59:35 +0000 (10:59 +0100)]
v4l2: use C99 struct initializer
Remove some unneeded memsets.
Luca Barbato [Thu, 5 Jan 2012 11:17:45 +0000 (12:17 +0100)]
v4l2: poll the file descriptor
Instead of busy waiting use poll();
Luca Barbato [Wed, 4 Jan 2012 14:06:10 +0000 (15:06 +0100)]
v4l2: support compressed formats
Let pass the codec name to -pixel_format and introduce -input_format.