Tim Walker
44b17d794a
dca: extract core substream's embedded downmix coeffcient codes, if present.
...
As per ETSI TS 102 114 V1.4.1 specification.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
11 years ago
Tim Walker
27245b4e1b
dca: remove embedded downmix coefficient extraction.
...
It was based on an old, seemingly incorrect specification, so default
coefficients were always used anyway.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
11 years ago
Tim Walker
b6d5e6aa10
dca: convert dca_default_coeffs to float.
...
Easier to read, modify, and avoids relying on an outdated table.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
11 years ago
Tim Walker
25609b63d2
dcadec: store the stereo downmix coefficients as float in the DCAContext.
...
The 7-bit codes previously used are absent from the ETSI 102 114 V1.4.1 spec.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
11 years ago
Tim Walker
89de5157b1
dcadec: implement request_channel_layout.
...
Signed-off-by: Anton Khirnov <anton@khirnov.net>
11 years ago
Tim Walker
37a3cac78c
dcadec: simplify an expression
...
Signed-off-by: Diego Biurrun <diego@biurrun.de>
11 years ago
Diego Biurrun
b2bed9325d
cosmetics: Group .name and .long_name together in codec/format declarations
11 years ago
Martin Storsjö
a9d50bb578
dcadec: Validate the lfe parameter
...
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
11 years ago
Ben Avison
800ffab48a
dcadsp: Add a new method, qmf_32_subbands
...
This does most of the work formerly carried out by
the static function qmf_32_subbands() in dcadec.c.
Signed-off-by: Martin Storsjö <martin@martin.st>
11 years ago
Ben Avison
26ffcc7de1
dcadec: Use int32_to_float_fmul_array8
...
Signed-off-by: Martin Storsjö <martin@martin.st>
11 years ago
Christophe Gisquet
b6293e2798
fmtconvert: Explicitly use int32_t instead of int
...
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Luca Barbato
3802833bc1
dca: Respect the current limits in the downmixing capabilities
...
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
12 years ago
Luca Barbato
f261e50845
dca: Error out on missing DSYNC
...
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
12 years ago
Christophe Gisquet
f49564c607
fmtconvert: int32_t input to int32_to_float_fmul_scalar
...
It was previously declared as int.
Does not change fate results for x86.
Conflicts:
libavcodec/ppc/fmtconvert_altivec.c
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Paul B Mahol
aa96439fae
lavc: remove unused put_bits.h headers
...
Signed-off-by: Paul B Mahol <onemda@gmail.com>
12 years ago
Diego Biurrun
1db6a080bd
dca: Move ff_dca_convert_bitstream() to the DCA common code
...
This makes the DCA parser and decoder independent.
12 years ago
Paul B Mahol
a9b424879f
lavc & lavf: replace deprecated av_log* functions
...
Signed-off-by: Paul B Mahol <onemda@gmail.com>
12 years ago
Diego Biurrun
6d97484d72
avcodec: av_log_ask_for_sample() ---> avpriv_request_sample()
12 years ago
Clément Bœsch
1ec94b0f06
lavc: factorize ff_{thread_,re,}get_buffer error messages.
...
Coccinelle profile used:
@@
expression r, ctx, f, loglevel, str, flags;
@@
-if ((r = ff_get_buffer(ctx, f, flags)) < 0) {
- av_log(ctx, loglevel, str);
- return r;
-}
+if ((r = ff_get_buffer(ctx, f, flags)) < 0)
+ return r;
@@
expression r, ctx, f, loglevel, str;
@@
-if ((r = ff_reget_buffer(ctx, f)) < 0) {
- av_log(ctx, loglevel, str);
- return r;
-}
+if ((r = ff_reget_buffer(ctx, f)) < 0)
+ return r;
@@
expression r, ctx, f, loglevel, str, flags;
@@
-if ((r = ff_thread_get_buffer(ctx, f, flags)) < 0) {
- av_log(ctx, loglevel, str);
- return r;
-}
+if ((r = ff_thread_get_buffer(ctx, f, flags)) < 0)
+ return r;
...along with some manual patches for the remaining ones.
12 years ago
Anton Khirnov
759001c534
lavc decoders: work with refcounted frames.
12 years ago
Diego Biurrun
76b19a3984
Fix a number of incorrect intmath.h #includes.
12 years ago
Justin Ruggles
182821cff4
dca: decode directly to the user-provided AVFrame
12 years ago
Diego Biurrun
218aefce44
dsputil: Move LOCAL_ALIGNED macros to libavutil
12 years ago
Michael Niedermayer
02d6d05339
dcadec: check xch_base_channel against channel_order_tab.
...
Fix null pointer dereference
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Anton Khirnov
594d4d5df3
lavc: add a wrapper for AVCodecContext.get_buffer().
...
It will be useful in the upcoming transition to refcounted AVFrames.
12 years ago
Michael Niedermayer
ff7e2342bb
dcadec: fix reading from prior to an array
...
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
3b2cd83a82
dcadec: check lfe field
...
Fix out of array accesses
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
5d47850bbd
dcadec: skip QMF on unused channels
...
When the extra rear channel is present but unused, the
s->channel_order_tab[] value for that channel is -1. The QMF can be
skipped for the extra channel, and doing so avoids an out-of-array read
on s->samples_chanptr[].
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
12 years ago
Michael Niedermayer
42dde253ec
dcadec: fix av_log level
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
a0212ecf84
dcadec: check layout & channel count for consistency.
...
Fixes out of array accesses
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Justin Ruggles
a903f8f087
Include libavutil/channel_layout.h instead of libavutil/audioconvert.h
...
Also reorder some other #include when applicable.
12 years ago
Justin Ruggles
8ac0f6767b
dcadec: allow the decoder to change the channel layout mid-stream
12 years ago
Nick Brereton
09ea482d5d
Fix #1827 , segfault with XXCH samples when downsampling.
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
b4e6265136
dcadec: skip QMF on unused channels
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Justin Ruggles
61d5313d94
dca: allocate a secondary buffer for extra channels when downmixing
...
The output AVFrame buffer only has data for the downmix channels.
Fixes a segfault when decoding dca with request_channels == 2.
12 years ago
Justin Ruggles
64c312aa29
dcadec: use float planar sample format
12 years ago
Diego Biurrun
1218777ffd
avcodec: Convert some commented-out printf/av_log instances to av_dlog
12 years ago
Michael Niedermayer
36c2694d83
dcadec: fix "set but not used" variable
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Anton Khirnov
36ef5369ee
Replace all CODEC_ID_* with AV_CODEC_ID_*
12 years ago
Diego Biurrun
19cf7163c1
dca: Switch dca_sample_rates to avpriv_ prefix; it is used across libs
12 years ago
Diego Biurrun
9e4bca16f8
dca: Move tables used outside of dcadec.c to a separate file.
12 years ago
Diego Biurrun
13a79cf84e
dca: Rename dca.c ---> dcadec.c
...
This will allow adding dca.c with tables used from other files.
12 years ago
Nick Brereton
e03077c432
Fix DCA-XXCH extension scaling for embedded downmixes.
...
Reviewed-by: Benjamin Larsson <benjamin@southpole.se>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Nick Brereton
73154feec1
Fix ordering of XXCH downmix coefficients.
...
Reviewed-by: Benjamin Larsson <benjamin@southpole.se>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Hendrik Leppkes
65219c3851
dca: map xxch side channels to AV_CH_SIDE_LEFT/RIGHT instead of REAR.
...
This fixes decoding of certain 7.1 DTS-HD HRA files, as well as matches the spec better.
Table 6-22 in the DTS spec labels the two channels "Left/Right surround on side", and not rear.
Reviewed-by: Benjamin Larsson <benjamin@southpole.se>
Reviewed-by: Nick Brereton <nick@nbrereton.net>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
e8e733adcc
dca: favor native over ffmpeg in table name
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
84d73e9d5d
dca: fix project reference in table name
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Nick Brereton
cd8bef969a
Generate channel layout, reordering for DTS-XXCH extension and, undo embedded downmixes
...
Reviewed-by: Benjamin Larsson <benjamin@southpole.se>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Nick Brereton
16f6c16ac0
Parse & decode DTS XXCH frames
...
Reviewed-by: Benjamin Larsson <benjamin@southpole.se>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Justin Ruggles
cb5042d02c
float_dsp: Move vector_fmac_scalar() from libavcodec to libavutil
13 years ago