ffmpeg.git
6 years agolavc: replace AVCodecContext.encode with subtitle-specific callback
Anton Khirnov [Sat, 18 Aug 2012 14:41:24 +0000 (16:41 +0200)]
lavc: replace AVCodecContext.encode with subtitle-specific callback

AVCodecContext.encode is currently used only for subtitles, encode2 is
used for audio and video.

6 years agolavc: add const to private codec class initialization.
Anton Khirnov [Sat, 18 Aug 2012 14:21:00 +0000 (16:21 +0200)]
lavc: add const to private codec class initialization.

Silences a warning about discarding const.

6 years agoavconv: don't pass a bogus parameter to avfilter_graph_create_filter().
Anton Khirnov [Sat, 18 Aug 2012 14:15:42 +0000 (16:15 +0200)]
avconv: don't pass a bogus parameter to avfilter_graph_create_filter().

The buffer sink does not take any parameters.

Fixes an uninitialized variable warning.

6 years agoid3v2: strdup the genre name explicitly.
Clément Bœsch [Sat, 12 May 2012 20:39:30 +0000 (22:39 +0200)]
id3v2: strdup the genre name explicitly.

It would have been done anyway in the av_dict_set() call.

This simplifies the code and avoid a warning because of assigning a
const string from ff_id3v1_genre_str to a non-const variable.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
6 years agolavf/id3v2: do not export empty fields.
Clément Bœsch [Sat, 12 May 2012 20:31:11 +0000 (22:31 +0200)]
lavf/id3v2: do not export empty fields.

This also avoids a memleak.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
6 years agobuffersrc: add const to the AVFrame* argument of av_buffersrc_write_frame()
Anton Khirnov [Sat, 18 Aug 2012 06:58:09 +0000 (08:58 +0200)]
buffersrc: add const to the AVFrame* argument of av_buffersrc_write_frame()

6 years agolavfi: replace empty input/output lists with null pointers
Mans Rullgard [Sun, 16 Sep 2012 11:58:49 +0000 (12:58 +0100)]
lavfi: replace empty input/output lists with null pointers

Signed-off-by: Mans Rullgard <mans@mansr.com>
6 years agoavconv: flush filtered frames before reconfiguring filters
Janne Grunau [Thu, 6 Sep 2012 19:51:31 +0000 (21:51 +0200)]
avconv: flush filtered frames before reconfiguring filters

This prevents lost frames after a resolution change.

6 years agomov: stsd entries must be at least 16 byte
Michael Niedermayer [Thu, 15 Dec 2011 19:51:00 +0000 (20:51 +0100)]
mov: stsd entries must be at least 16 byte

Fix near infinite loop in stsd parsing.
Bug found by: Diana Elena Muscalu

The size is unsigned according the specification.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
6 years agomov: detect EOF in mov_read_dref()
Michael Niedermayer [Sun, 18 Dec 2011 20:37:54 +0000 (21:37 +0100)]
mov: detect EOF in mov_read_dref()

Avoid a near infinite loop.
Issue discovered by cosminamironesei.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
6 years agofile: return proper error on seek failures
Luca Barbato [Fri, 14 Sep 2012 15:01:35 +0000 (17:01 +0200)]
file: return proper error on seek failures

6 years agompegvideo: drop unnecessary arguments to hpel_motion()
Mans Rullgard [Sat, 4 Aug 2012 01:51:27 +0000 (02:51 +0100)]
mpegvideo: drop unnecessary arguments to hpel_motion()

These arguments are either constants or copies of MpegEncContext
fields just as easily accessed within the function.

Signed-off-by: Mans Rullgard <mans@mansr.com>
6 years agompegvideo: drop 'inline' from some functions
Mans Rullgard [Sat, 4 Aug 2012 01:22:43 +0000 (02:22 +0100)]
mpegvideo: drop 'inline' from some functions

These functions do not benefit from being inlined.  They are large,
and there are no opportunities for constant propagation.

Signed-off-by: Mans Rullgard <mans@mansr.com>
6 years agonellymoserdec: drop support for s16 output.
Anton Khirnov [Sun, 22 Jul 2012 09:19:01 +0000 (11:19 +0200)]
nellymoserdec: drop support for s16 output.

It internally decodes as float and then converts to s16 by a call to
float_to_int16(). The caller can do this just as well by using lavr.

6 years agobmpdec: only initialize palette for pal8.
Anton Khirnov [Sun, 16 Sep 2012 06:33:09 +0000 (08:33 +0200)]
bmpdec: only initialize palette for pal8.

Gray8 is not considered to be paletted, so this would cause an invalid
write.

Fixes bug 367.

CC: libav-stable@libav.org
6 years agobuild: Properly remove object files while cleaning
Mans Rullgard [Sat, 15 Sep 2012 18:33:56 +0000 (18:33 +0000)]
build: Properly remove object files while cleaning

Previously, object files in, for example, compat/ were left
after a clean or distclean was run.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
6 years agoflacdsp: arm optimised lpc filter
Mans Rullgard [Thu, 5 Jul 2012 21:47:41 +0000 (22:47 +0100)]
flacdsp: arm optimised lpc filter

6 years agocompat/vsnprintf: return number of bytes required on truncation.
Ronald S. Bultje [Fri, 14 Sep 2012 18:56:46 +0000 (18:56 +0000)]
compat/vsnprintf: return number of bytes required on truncation.

This conforms to C99, but requires Windows >= XP.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
6 years agoavformat: fix typo in avformat_close_input
Luca Barbato [Sat, 15 Sep 2012 18:16:32 +0000 (20:16 +0200)]
avformat: fix typo in avformat_close_input

The condition should not be &&.

6 years agomp3enc: write Xing TOC
Anton Khirnov [Mon, 10 Sep 2012 12:44:32 +0000 (14:44 +0200)]
mp3enc: write Xing TOC

Based on the code by:
Peter Belkner <pbelkner@snafu.de>,
Michael Niedermayer <michaelni@gmx.at>,
Clément Bœsch <clement.boesch@smartjog.com>,
Reimar Döffinger <Reimar.Doeffinger@gmx.de>, and
Tobias Rapp <t.rapp@noa-audio.com>
Alex Converse <alex.converse@gmail.com>

Signed-off-by: Anton Khirnov <anton@khirnov.net>
6 years agomp3enc: support MPEG-2 and MPEG-2.5 in Xing header.
Clément Bœsch [Wed, 9 May 2012 20:39:40 +0000 (22:39 +0200)]
mp3enc: support MPEG-2 and MPEG-2.5 in Xing header.

6 years agomp3enc: downgrade some errors in writing Xing frame to warnings
Reimar Döffinger [Sun, 9 Sep 2012 18:39:40 +0000 (20:39 +0200)]
mp3enc: downgrade some errors in writing Xing frame to warnings

Also clarify the meaning of the log message.

6 years agolavf: flush the output AVIOContext in av_write_trailer().
Anton Khirnov [Sun, 9 Sep 2012 19:35:23 +0000 (21:35 +0200)]
lavf: flush the output AVIOContext in av_write_trailer().

This is consistent with stdio and is what we want to do in all cases.

Fixes a bug in the voc muxer which didn't flush in write_trailer()
previously. This is the cause of the change in the test results.

6 years agolavf: cosmetics, reformat av_write_trailer().
Anton Khirnov [Sun, 9 Sep 2012 18:47:38 +0000 (20:47 +0200)]
lavf: cosmetics, reformat av_write_trailer().

6 years agoavio: flush the internal buffer in avio_close()
Stefano Sabatini [Wed, 15 Aug 2012 23:25:05 +0000 (01:25 +0200)]
avio: flush the internal buffer in avio_close()

This is consistent with stdio, and thus what people would naturally
expect.

6 years agoEnhance doc on asyncts audiofilter
Andrey Utkin [Fri, 14 Sep 2012 08:27:19 +0000 (11:27 +0300)]
Enhance doc on asyncts audiofilter

Signed-off-by: Anton Khirnov <anton@khirnov.net>
6 years agocmdutils: avoid setting data pointers to invalid values in alloc_buffer()
Anton Khirnov [Tue, 11 Sep 2012 09:03:52 +0000 (11:03 +0200)]
cmdutils: avoid setting data pointers to invalid values in alloc_buffer()

Fixes bug 352.

6 years agolibavcodec: remove av_destruct_packet_nofree()
Mans Rullgard [Sat, 25 Aug 2012 10:51:57 +0000 (11:51 +0100)]
libavcodec: remove av_destruct_packet_nofree()

This function was deprecated two major versions ago (2009).

Signed-off-by: Mans Rullgard <mans@mansr.com>
6 years agoriff: Add SVQ3 fourcc
Derek Buitenhuis [Fri, 14 Sep 2012 14:10:50 +0000 (14:10 +0000)]
riff: Add SVQ3 fourcc

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
6 years agofate: ac3: add 4.0 and downmix tests
Mans Rullgard [Wed, 12 Sep 2012 22:24:50 +0000 (23:24 +0100)]
fate: ac3: add 4.0 and downmix tests

Signed-off-by: Mans Rullgard <mans@mansr.com>
6 years agoconfigure: x86: improve ebp availability check
Mans Rullgard [Thu, 13 Sep 2012 19:17:54 +0000 (20:17 +0100)]
configure: x86: improve ebp availability check

Some compilers are extra strict about register usage in main(),
disallowing ebp in inline asm there while allowing it elsewhere.
This change makes the test better reflect actual usage.

Signed-off-by: Mans Rullgard <mans@mansr.com>
6 years agovorbisdec: ensure FASTDIV denominator is never 1
Luca Barbato [Thu, 13 Sep 2012 17:45:21 +0000 (19:45 +0200)]
vorbisdec: ensure FASTDIV denominator is never 1

In both usages of FASTDIV the denominator might be 1.

Using a branch could make the function slower than using a normal
division.

Both denominator and numerator can be multiplied by 2 safely and
using shifts is faster than using a branch.

6 years agoavformat: refactor avformat_close_input
Luca Barbato [Tue, 4 Sep 2012 14:05:28 +0000 (16:05 +0200)]
avformat: refactor avformat_close_input

Do not crash if the input format is not allocated yet.

6 years agoavformat: simplify avformat_close_input
Luca Barbato [Mon, 10 Sep 2012 05:07:56 +0000 (07:07 +0200)]
avformat: simplify avformat_close_input

avio_close checks by itself for NULL condition.

6 years agox86: dsputil: Move Xvid IDCT put/add functions to a more suitable place
Diego Biurrun [Thu, 13 Sep 2012 22:59:03 +0000 (00:59 +0200)]
x86: dsputil: Move Xvid IDCT put/add functions to a more suitable place

6 years agotrasher: Include all the necessary headers
Martin Storsjö [Thu, 13 Sep 2012 09:55:44 +0000 (12:55 +0300)]
trasher: Include all the necessary headers

The missing headers are required for errno and for strerror.
This fixes building of this tool on mingw32ce.

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agox86: Remove some leftover declarations for non-existent functions
Diego Biurrun [Thu, 13 Sep 2012 10:45:33 +0000 (12:45 +0200)]
x86: Remove some leftover declarations for non-existent functions

6 years agoARM: libavresample: NEON optimised generic fltp to s16 conversion
Mans Rullgard [Mon, 10 Sep 2012 14:47:00 +0000 (15:47 +0100)]
ARM: libavresample: NEON optimised generic fltp to s16 conversion

Signed-off-by: Mans Rullgard <mans@mansr.com>
6 years agoARM: libavresample: NEON optimised stereo fltp to s16 conversion
Mans Rullgard [Mon, 10 Sep 2012 14:47:00 +0000 (15:47 +0100)]
ARM: libavresample: NEON optimised stereo fltp to s16 conversion

Signed-off-by: Mans Rullgard <mans@mansr.com>
6 years agoARM: libavresample: NEON optimised flat float to s16 conversion
Mans Rullgard [Sun, 9 Sep 2012 18:25:43 +0000 (19:25 +0100)]
ARM: libavresample: NEON optimised flat float to s16 conversion

Signed-off-by: Mans Rullgard <mans@mansr.com>
6 years agoos_support: Choose between direct.h and io.h using a configure check
Martin Storsjö [Thu, 13 Sep 2012 11:26:10 +0000 (14:26 +0300)]
os_support: Choose between direct.h and io.h using a configure check

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agoos_support: Include io.h instead of direct.h on mingw32ce
Martin Storsjö [Thu, 13 Sep 2012 09:34:17 +0000 (12:34 +0300)]
os_support: Include io.h instead of direct.h on mingw32ce

Windows CE doesn't have neither mkdir nor _mkdir officially (only
CreateDirectoryW), but mingw32ce has compat wrappers with these names
(declared in io.h since direct.h is unavailable).

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agox86: ac3dsp: Only refer to the ac3_downmix_sse symbol if it has been declared
Martin Storsjö [Thu, 13 Sep 2012 08:18:25 +0000 (11:18 +0300)]
x86: ac3dsp: Only refer to the ac3_downmix_sse symbol if it has been declared

This fixes building without inline assembly.

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agoswscale: Remove two bogus asserts
Diego Biurrun [Tue, 11 Sep 2012 20:11:25 +0000 (22:11 +0200)]
swscale: Remove two bogus asserts

6 years agoac3: move ac3_downmix() from dsputil to ac3dsp
Mans Rullgard [Tue, 11 Sep 2012 16:55:11 +0000 (17:55 +0100)]
ac3: move ac3_downmix() from dsputil to ac3dsp

Signed-off-by: Mans Rullgard <mans@mansr.com>
6 years agolavr/audio_mix_matrix: acknowledge the existence of LFE2.
Tim Walker [Wed, 12 Sep 2012 15:09:33 +0000 (17:09 +0200)]
lavr/audio_mix_matrix: acknowledge the existence of LFE2.

Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
6 years agomlp_parser: avoid mapping multiple disctinct TrueHD channels to the same Libav channel.
Tim Walker [Wed, 12 Sep 2012 15:09:32 +0000 (17:09 +0200)]
mlp_parser: avoid mapping multiple disctinct TrueHD channels to the same Libav channel.

Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
6 years agolavu/audioconvert: add a second low frequency channel.
Tim Walker [Wed, 12 Sep 2012 15:09:31 +0000 (17:09 +0200)]
lavu/audioconvert: add a second low frequency channel.

Can be used by DTS-HD, TrueHD and E-AC-3, among others.

Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
6 years agompegts: check substreams before discarding
Christian Schmidt [Thu, 6 Sep 2012 14:43:24 +0000 (16:43 +0200)]
mpegts: check substreams before discarding

Allow to extract the AC3 core from TrueHD with the "copy" codec.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
6 years agoAdd a smooth streaming segmenter muxer
Martin Storsjö [Mon, 19 Mar 2012 21:12:54 +0000 (23:12 +0200)]
Add a smooth streaming segmenter muxer

This muxer splits the output from the ismv muxer into individual
files, in realtime.

The same can also be done by the standalone tool ismindex, but this
muxer is needed for doing it in realtime (especially for live
streams that need extra handling for updating the lookahead fields
in the fragment headers).

Using this muxer, one can deliver live smooth streaming from a
normal static file web server. (Using ismindex, one can deliver
premade smooth streaming files from a static file web server,
or prepare files for serving with IIS.)

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agofile: Add an avoption for disabling truncating existing files on open
Martin Storsjö [Sun, 9 Sep 2012 19:42:56 +0000 (22:42 +0300)]
file: Add an avoption for disabling truncating existing files on open

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agoimg2dec: always close AVIOContexts
Tomas Härdin [Fri, 7 Sep 2012 11:28:48 +0000 (13:28 +0200)]
img2dec: always close AVIOContexts

Zero sized files would cause the contexts to leak away.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
6 years agortpdec_jpeg: Error out on other unsupported type values as well
Martin Storsjö [Tue, 11 Sep 2012 11:42:22 +0000 (14:42 +0300)]
rtpdec_jpeg: Error out on other unsupported type values as well

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agortpdec_jpeg: Disallow using the reserved q values
Martin Storsjö [Tue, 11 Sep 2012 11:41:42 +0000 (14:41 +0300)]
rtpdec_jpeg: Disallow using the reserved q values

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agortpdec_jpeg: Fold the default qtables case into an existing if statement
Martin Storsjö [Tue, 11 Sep 2012 11:39:58 +0000 (14:39 +0300)]
rtpdec_jpeg: Fold the default qtables case into an existing if statement

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agortpdec_jpeg: Store and reuse old qtables for q values 128-254
Martin Storsjö [Tue, 11 Sep 2012 11:29:54 +0000 (14:29 +0300)]
rtpdec_jpeg: Store and reuse old qtables for q values 128-254

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agortpdec_jpeg: Simplify the calculation of the number of qtables
Martin Storsjö [Tue, 11 Sep 2012 11:43:10 +0000 (14:43 +0300)]
rtpdec_jpeg: Simplify the calculation of the number of qtables

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agortpdec_jpeg: Add more comments about the fields in the SOF0 section
Martin Storsjö [Tue, 11 Sep 2012 09:54:06 +0000 (12:54 +0300)]
rtpdec_jpeg: Add more comments about the fields in the SOF0 section

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agortpdec_jpeg: Clarify where the subsampling magic numbers come from
Martin Storsjö [Tue, 11 Sep 2012 09:52:55 +0000 (12:52 +0300)]
rtpdec_jpeg: Clarify where the subsampling magic numbers come from

Write out the numbers the way they are constructed, not just the
final values.

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agortpdec_jpeg: Don't use a bitstream writer for the EOI marker
Martin Storsjö [Tue, 11 Sep 2012 09:46:44 +0000 (12:46 +0300)]
rtpdec_jpeg: Don't use a bitstream writer for the EOI marker

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agortpdec_jpeg: Don't needlessly use a bitstream writer for the header
Martin Storsjö [Tue, 11 Sep 2012 09:44:25 +0000 (12:44 +0300)]
rtpdec_jpeg: Don't needlessly use a bitstream writer for the header

Everything written with this bitstream writer is 8/16 bit units
(except for a pair of 4 bit values), so using a bitstream writer
isn't necessary.

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agortpdec_jpeg: Simplify writing of the jpeg header
Martin Storsjö [Tue, 11 Sep 2012 09:32:37 +0000 (12:32 +0300)]
rtpdec_jpeg: Simplify writing of the jpeg header

Generalize writing of any number of qtables. Don't manually write
16 bit values in two separate calls.

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agortpdec_jpeg: Merge two if statements
Martin Storsjö [Tue, 11 Sep 2012 09:07:56 +0000 (12:07 +0300)]
rtpdec_jpeg: Merge two if statements

This makes the code more readable and robust.

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agortpdec_jpeg: Write the DHT section properly
Martin Storsjö [Tue, 11 Sep 2012 08:03:05 +0000 (11:03 +0300)]
rtpdec_jpeg: Write the DHT section properly

Currently the size header of the generated DHT section is
incorrect, making the mjpeg decoder just skip it. Since the
written huffman tables are the default ones, this failure had
gone undetected.

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agoutvideoenc: Add missing AV_ prefix to codec ID
Diego Biurrun [Tue, 11 Sep 2012 15:08:05 +0000 (17:08 +0200)]
utvideoenc: Add missing AV_ prefix to codec ID

6 years agoavserver: Add missing #include for av_gettime()
Diego Biurrun [Tue, 11 Sep 2012 15:07:37 +0000 (17:07 +0200)]
avserver: Add missing #include for av_gettime()

6 years agoconfigure: Only disable aligned stack on MSVC on 32 bit
Martin Storsjö [Tue, 11 Sep 2012 08:10:12 +0000 (11:10 +0300)]
configure: Only disable aligned stack on MSVC on 32 bit

On 64 bit, the stack seems to be aligned enough for our needs.

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agoconfigure: indentation cosmetics
Diego Biurrun [Sun, 19 Aug 2012 19:35:30 +0000 (21:35 +0200)]
configure: indentation cosmetics

6 years agortpdec_jpeg: Add support for default quantizers
Samuel Pitoiset [Mon, 10 Sep 2012 19:15:09 +0000 (21:15 +0200)]
rtpdec_jpeg: Add support for default quantizers

Generate quantization tables when they are not present in the
first chunk.

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agox86: dsputil: Move specific optimization settings out of global init function
Diego Biurrun [Wed, 5 Sep 2012 14:42:57 +0000 (16:42 +0200)]
x86: dsputil: Move specific optimization settings out of global init function

They belong in the init functions specific to each CPU capability.

6 years agoavplay: get rid of ugly casts in the options table
Anton Khirnov [Mon, 10 Sep 2012 12:42:24 +0000 (14:42 +0200)]
avplay: get rid of ugly casts in the options table

6 years agoavplay: fix prototypes for option callbacks.
Anton Khirnov [Mon, 10 Sep 2012 12:37:46 +0000 (14:37 +0200)]
avplay: fix prototypes for option callbacks.

They have been wrong since 11d957fbd81288e64408e79ed369446346000b29

6 years agoflvdec: always set AVFMTCTX_NOHEADER.
Anton Khirnov [Sat, 1 Sep 2012 14:20:58 +0000 (16:20 +0200)]
flvdec: always set AVFMTCTX_NOHEADER.

New streams may be created at any time, e.g. on codec change.

6 years agofile: Use a normal private context for storing the file descriptor
Martin Storsjö [Sun, 9 Sep 2012 19:35:50 +0000 (22:35 +0300)]
file: Use a normal private context for storing the file descriptor

Previously the file descriptor was stored in the priv_data pointer.

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agoconfigure: Adjust the xgetbv instrinsic check
Martin Storsjö [Mon, 10 Sep 2012 14:35:39 +0000 (17:35 +0300)]
configure: Adjust the xgetbv instrinsic check

The 64 bit cl.exe version 16.00.30319.01 crashes with an internal
compiler error on the current check (and thus deduces it isn't
supported, even if the actual usage in libavuil/x86/cpu.c works
fine), but by assigning the value from the intrinsic to a variable,
or returning it, it works fine.

This error is fixed in cl.exe version 16.00.40219.01.

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agoconfigure: Add --disable-inline-asm command line option
Diego Biurrun [Tue, 4 Sep 2012 16:23:25 +0000 (18:23 +0200)]
configure: Add --disable-inline-asm command line option

This can come in handy for testing and possibly other purposes.

6 years agoconfigure: Don't try to enable the log2 function on msvcrt
Martin Storsjö [Mon, 10 Sep 2012 12:34:51 +0000 (15:34 +0300)]
configure: Don't try to enable the log2 function on msvcrt

Some msvcrt versions (the static 64 bit libc in MSVC 10) have
a log2 function, but there is no declaration for it in the headers.
Therefore, the normal configure check might find it, but it can fail
during build or at runtime, depending on whether implicit function
declarations are an error or not.

Therefore simply ignore this function on this platform.

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agox86: dsputil: Only compile motion_est code when encoders are enabled
Diego Biurrun [Sun, 9 Sep 2012 19:19:50 +0000 (21:19 +0200)]
x86: dsputil: Only compile motion_est code when encoders are enabled

6 years agomem: fix typo in check for __ICC
Mans Rullgard [Sun, 9 Sep 2012 21:47:15 +0000 (22:47 +0100)]
mem: fix typo in check for __ICC

Signed-off-by: Mans Rullgard <mans@mansr.com>
6 years agofate: mp3: drop redundant CMP setting
Mans Rullgard [Sun, 9 Sep 2012 15:49:54 +0000 (16:49 +0100)]
fate: mp3: drop redundant CMP setting

Signed-off-by: Mans Rullgard <mans@mansr.com>
6 years agortp: Depacketization of JPEG (RFC 2435)
Samuel Pitoiset [Fri, 7 Sep 2012 17:30:23 +0000 (19:30 +0200)]
rtp: Depacketization of JPEG (RFC 2435)

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agoRename ff_put_string to avpriv_put_string
Martin Storsjö [Sun, 9 Sep 2012 13:03:52 +0000 (16:03 +0300)]
Rename ff_put_string to avpriv_put_string

This allows using it from libavformat as well. This will be used
by the RTP/JPEG depacketizer.

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agomjpeg: Rename some symbols to avpriv_* instead of ff_*
Samuel Pitoiset [Thu, 6 Sep 2012 13:50:20 +0000 (15:50 +0200)]
mjpeg: Rename some symbols to avpriv_* instead of ff_*

These symbols will be used from the RTP/JPEG depacketizer.

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agoyadif: cosmetics
Luca Barbato [Sat, 1 Sep 2012 14:04:42 +0000 (16:04 +0200)]
yadif: cosmetics

6 years agoswscale: Provide the right alignment for external mmx asm
Martin Storsjö [Sat, 8 Sep 2012 22:43:53 +0000 (01:43 +0300)]
swscale: Provide the right alignment for external mmx asm

This reverts parts of e0c6cce4472. There is external mmx asm that
requires this alignment.

This fixes crashes when using swscale in builds with external mmx,
without inline assembly.

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agox86: Replace checks for CPU extensions and flags by convenience macros
Diego Biurrun [Wed, 29 Aug 2012 17:01:05 +0000 (19:01 +0200)]
x86: Replace checks for CPU extensions and flags by convenience macros

This separates code relying on inline from that relying on external
assembly and fixes instances where the coalesced check was incorrect.

6 years agoconfigure: msvc: fix/simplify setting of flags for hostcc
Mans Rullgard [Fri, 7 Sep 2012 10:13:36 +0000 (11:13 +0100)]
configure: msvc: fix/simplify setting of flags for hostcc

Signed-off-by: Mans Rullgard <mans@mansr.com>
6 years agox86: mlpdsp: mlp_filter_channel_x86 requires inline asm
Hendrik Leppkes [Sat, 8 Sep 2012 06:40:19 +0000 (08:40 +0200)]
x86: mlpdsp: mlp_filter_channel_x86 requires inline asm

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agomov_chan: Only set the channel_layout if setting it to a nonzero value
Martin Storsjö [Fri, 7 Sep 2012 07:45:16 +0000 (10:45 +0300)]
mov_chan: Only set the channel_layout if setting it to a nonzero value

If regularly parsing new chan atoms (as in rtpdec_qt), but the
chan atoms don't actually contain any channel layout, don't reset
the value that the caller has filled in (by guessing).

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agomov_chan: Reindent an incorrectly indented line
Martin Storsjö [Fri, 7 Sep 2012 07:41:37 +0000 (10:41 +0300)]
mov_chan: Reindent an incorrectly indented line

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agomp2 muxer: mark as AVFMT_NOTIMESTAMPS.
Carl Eugen Hoyos [Sun, 28 Aug 2011 17:43:04 +0000 (19:43 +0200)]
mp2 muxer: mark as AVFMT_NOTIMESTAMPS.

Signed-off-by: Alex Converse <alex.converse@gmail.com>
6 years agox86: float_dsp: fix ff_vector_fmac_scalar_avx() on Win64
Justin Ruggles [Fri, 3 Aug 2012 21:38:49 +0000 (17:38 -0400)]
x86: float_dsp: fix ff_vector_fmac_scalar_avx() on Win64

The SWAP macro does not work for explicit xmm/ymm usage, so instead just move
the scalar value from xmm2 to xmm0.

6 years agox86: more specific checks for availability of required assembly capabilities
Diego Biurrun [Tue, 4 Sep 2012 06:30:16 +0000 (08:30 +0200)]
x86: more specific checks for availability of required assembly capabilities

6 years agox86: avcodec: Drop silly "_mmx" suffix from dsputil template names
Diego Biurrun [Sat, 11 Aug 2012 20:35:27 +0000 (22:35 +0200)]
x86: avcodec: Drop silly "_mmx" suffix from dsputil template names

6 years agofate: Drop redundant setting of FUZZ to 1
Diego Biurrun [Sun, 26 Aug 2012 11:02:40 +0000 (13:02 +0200)]
fate: Drop redundant setting of FUZZ to 1

6 years agocavsdsp: set idct permutation independently of dsputil
Mans Rullgard [Tue, 4 Sep 2012 12:52:01 +0000 (13:52 +0100)]
cavsdsp: set idct permutation independently of dsputil

CAVS uses its own idct so using dsputil to set the permutation
is fragile.

Signed-off-by: Mans Rullgard <mans@mansr.com>
6 years agox86: allow using add_hfyu_median_prediction_cmov on any cpu with cmov
Mans Rullgard [Sun, 2 Sep 2012 15:05:56 +0000 (16:05 +0100)]
x86: allow using add_hfyu_median_prediction_cmov on any cpu with cmov

For some reason add_hfyu_median_prediction_cmov is only selected
on 3Dnow-capable CPUs, even though it uses no 3Dnow instructions.
This patch allows it to be selected on any cpu with cmov with the
possibility of being overridden by the mmxext version.

Signed-off-by: Mans Rullgard <mans@mansr.com>
6 years agomov_chan: Pass a separate AVIOContext for reading
Samuel Pitoiset [Thu, 6 Sep 2012 10:46:37 +0000 (12:46 +0200)]
mov_chan: Pass a separate AVIOContext for reading

This fixes crashes when called from rtpdec_qt, where
AVFormatContext->pb is null, a crash present since 3bab7cd128.

Signed-off-by: Martin Storsjö <martin@martin.st>
6 years agoaf_asyncts: check return value from lavr when flushing.
Anton Khirnov [Tue, 4 Sep 2012 20:01:38 +0000 (22:01 +0200)]
af_asyncts: check return value from lavr when flushing.

Fixes an infinite loop on flush when avresample_get_delay() still
reports some samples but avresample_convert() doesn't return any data.

6 years agomss2: simplify loop in decode_rle()
Alberto Delmás [Mon, 3 Sep 2012 15:32:01 +0000 (17:32 +0200)]
mss2: simplify loop in decode_rle()

It calculates the sum of power of two series, which can be done in one step.

Suggested by Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>