19 Commits

Author SHA1 Message Date
Michael Niedermayer
b6cc1c77fd Merge remote-tracking branch 'qatar/release/0.7' into release/0.8
* qatar/release/0.7: (84 commits)
  id3v2: fix skipping extended header in id3v2.4
  Update RELEASE file for 0.7.5
  lcl: use AVERROR_INVALIDDATA instead of AVERROR_UNKNOWN
  kgv1dec: Increase offsets array size so it is large enough.
  kgv1: use avctx->get/release_buffer().
  kvmc: fix invalid reads
  nsvdec: Propagate error values instead of returning 0 in nsv_read_header().
  mjpegbdec: Fix overflow in SOS.
  shorten: Use separate pointers for the allocated memory for decoded samples.
  shorten: check for realloc failure (cherry picked from commit 9e5e2c2d010c05c10337e9c1ec9d0d61495e0c9c)
  atrac3: Fix crash in tonal component decoding.
  ws_snd1: Fix wrong samples count and crash.
  ws_snd: add some checks to prevent buffer overread or overwrite. (cherry picked from commit 417364ce1f979031ef6fee661fc15e1869bdb1b4)
  ws_snd: decode to AV_SAMPLE_FMT_U8 instead of S16.
  dca: include libavutil/mathematics.h for possibly missing M_SQRT1_2
  h264: stricter reference limit enforcement.
  jvdec: unbreak video decoding
  xxan: don't read before start of buffer in av_memcpy_backptr().
  dsicinvideo: validate buffer offset before copying pixels.
  huffyuv: add padding to classic (v1) huffman tables.
  ...

Conflicts:
	RELEASE
	libavcodec/atrac3.c
	libavcodec/h264.c
	libavcodec/h264_parser.c
	libavcodec/kgv1dec.c
	libavcodec/shorten.c
	libavcodec/svq3.c
	libavcodec/ws-snd1.c
	libavcodec/xxan.c
	libswscale/utils.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-04-02 01:25:31 +02:00
Mans Rullgard
2c199cb253 ac3: Do not read past the end of ff_ac3_band_start_tab.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Alex Converse <alex.converse@gmail.com>
(cherry picked from commit 034b03e7a0e8e4f8f66c82b736f2c0aa7c063ec0)
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
2012-04-01 18:33:28 +02:00
Michael Niedermayer
b8a43bc1b5 Merge remote-tracking branch 'qatar/master' into master
* qatar/master: (27 commits)
  ac3enc: fix LOCAL_ALIGNED usage in count_mantissa_bits()
  ac3dsp: do not use the ff_* prefix when referencing ff_ac3_bap_bits.
  ac3dsp: fix loop condition in ac3_update_bap_counts_c()
  ARM: unbreak build
  ac3enc: modify mantissa bit counting to keep bap counts for all values of bap instead of just 0 to 4.
  ac3enc: split mantissa bit counting into a separate function.
  ac3enc: store per-block/channel bap pointers by reference block in a 2D array rather than in the AC3Block struct.
  get_bits: add av_unused tag to cache variable
  sws: replace all long with int.
  ARM: aacdec: fix constraints on inline asm
  ARM: remove unnecessary volatile from inline asm
  ARM: add "cc" clobbers to inline asm where needed
  ARM: improve FASTDIV asm
  ac3enc: use LOCAL_ALIGNED macro
  APIchanges: fill in git hash for av_get_pix_fmt_name (0420bd7).
  lavu: add av_get_pix_fmt_name() convenience function
  cmdutils: remove OPT_FUNC2
  swscale: fix crash in bilinear scaling.
  vpxenc: add VP8E_SET_STATIC_THRESHOLD mapping
  webm: support stereo videos in matroska/webm muxer
  ...

Conflicts:
	Changelog
	cmdutils.c
	cmdutils.h
	doc/APIchanges
	doc/muxers.texi
	ffmpeg.c
	ffplay.c
	libavcodec/ac3enc.c
	libavcodec/ac3enc_float.c
	libavcodec/avcodec.h
	libavcodec/get_bits.h
	libavcodec/libvpxenc.c
	libavcodec/version.h
	libavdevice/libdc1394.c
	libavformat/matroskaenc.c
	libavutil/avutil.h
	libswscale/rgb2rgb.c
	libswscale/swscale.c
	libswscale/swscale_template.c
	libswscale/x86/swscale_template.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-05-29 03:34:35 +02:00
Justin Ruggles
dc0ad40de2 ac3dsp: fix loop condition in ac3_update_bap_counts_c() 2011-05-28 14:41:21 -04:00
Justin Ruggles
6ca23db9cc ac3enc: modify mantissa bit counting to keep bap counts for all values of bap
instead of just 0 to 4.

This does all the actual bit counting as a final step.
2011-05-28 12:39:28 -04:00
Michael Niedermayer
c3f5b81125 Merge remote branch 'qatar/master'
* qatar/master:
  ALPHA: Replace sized int_fast integer types with plain int/unsigned.
Duplicate  DPX image encoder
Duplicate  DPX decoder: read sample aspect ratio
Duplciate  DPX decoder: add buffer size checks.
  ac3enc: clip large coefficient values and negative exponents rather than using av_assert2().
  ac3enc: do not store a bandwidth code for each channel.
  ac3enc: remove bandwidth reduction as fallback for bit allocation failure.
  ac3enc: merge compute_exp_strategy_ch() into compute_exp_strategy()
  ac3enc: return error if frame+exponent bits are too large instead of using av_assert2().
  ac3enc: differentiate between current block and reference block in bit_alloc()
  ac3enc: simplify exponent_init() by calculating exponent_group_tab[] based on exponent group sizes.
  ac3enc: simplify stereo rematrixing decision options
Include both URLs:  Update URL to fate samples

Conflicts:
	Changelog
	doc/fate.txt
	libavcodec/ac3enc.c
	libavcodec/dpxenc.c
	libavcodec/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-05-02 03:45:58 +02:00
Justin Ruggles
63b1866ae1 ac3enc: clip large coefficient values and negative exponents rather than using
av_assert2().
2011-05-01 13:32:04 -04:00
Michael Niedermayer
434f248723 Merge remote branch 'qatar/master'
* qatar/master: (22 commits)
  ac3enc: move extract_exponents inner loop to ac3dsp
  avio: deprecate url_get_filename().
  avio: deprecate url_max_packet_size().
  avio: make url_get_file_handle() internal.
  avio: make url_filesize() internal.
  avio: make url_close() internal.
  avio: make url_seek() internal.
  avio: cosmetics, move AVSEEK_SIZE/FORCE declarations together
  avio: make url_write() internal.
  avio: make url_read_complete() internal.
  avio: make url_read() internal.
  avio: make url_open() internal.
  avio: make url_connect internal.
  avio: make url_alloc internal.
  applehttp: Merge two for loops
  applehttp: Restructure the demuxer to use a custom AVIOContext
  applehttp: Move finished and target_duration to the variant struct
  aacenc: reduce the number of loop index variables
  avio: deprecate url_open_protocol
  avio: deprecate url_poll and URLPollEntry
  ...

Conflicts:
	libavformat/applehttp.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-04-05 02:31:56 +02:00
Mans Rullgard
2310ee4b1c ac3enc: move extract_exponents inner loop to ac3dsp
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-04-04 18:27:22 +01:00
Michael Niedermayer
445fdc0140 Merge remote-tracking branch 'newdev/master'
* newdev/master:
  ac3enc: move compute_mantissa_size() to ac3dsp
  ac3enc: move mant*_cnt and qmant*_ptr out of AC3EncodeContext
  Remove support for stripping executables
  ac3enc: NEON optimised float_to_fixed24
  ac3: move ff_ac3_bit_alloc_calc_bap to ac3dsp
  dfa: protect pointer range checks against overflows.
Duplicate:  mimic: implement multithreading.

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-03-30 03:09:08 +02:00
Mans Rullgard
52fd16a264 ac3enc: move compute_mantissa_size() to ac3dsp
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-03-30 01:21:56 +01:00
Mans Rullgard
6d9f52b2cd ac3: move ff_ac3_bit_alloc_calc_bap to ac3dsp
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-03-29 19:31:45 +01:00
Michael Niedermayer
797ef671dd Merge remote-tracking branch 'newdev/master'
* newdev/master:
  matroskadec: set default duration for simple block
  When building for MinGW32 disable strict ANSI compliancy.
  ARM: fix ff_apply_window_int16_neon() prototype
  configure: check for --as-needed support early
  ARM: NEON optimised apply_window_int16()
  ac3enc: NEON optimised shift functions
  ac3enc: NEON optimised ac3_max_msb_abs_int16 and ac3_exponent_min
  mpeg12.c: fix slice threading for mpeg2 field picture mode.
  ffmetadec.c: fix compiler warnings.
  configure: Don't explicitly disable ffplay or in/outdevices on dos
  configure: Remove the explicit disabling of ffserver
  configure: Add fork as a dependency to ffserver

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-03-25 02:57:41 +01:00
Mans Rullgard
f4855a904e ac3enc: NEON optimised ac3_max_msb_abs_int16 and ac3_exponent_min 2011-03-24 16:30:49 +00:00
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
Justin Ruggles
0f999cfddb ac3enc: add float_to_fixed24() with x86-optimized versions to AC3DSPContext
and use in scale_coefficients() for the floating-point AC-3 encoder.
2011-03-17 16:46:48 -04:00
Justin Ruggles
f1efbca5e9 ac3enc: add SIMD-optimized shifting functions for use with the fixed-point AC3 encoder. 2011-03-14 08:45:31 -04:00
Justin Ruggles
fbb6b49dab ac3enc: Add x86-optimized function to speed up log2_tab().
AC3DSPContext.ac3_max_msb_abs_int16() finds the maximum MSB of the absolute
value of each element in an array of int16_t.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
2011-02-13 16:49:39 -05:00
Justin Ruggles
dda3f0ef48 Add x86-optimized versions of exponent_min().
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
2011-02-10 15:32:47 -05:00