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lavu/audioconvert: add a second low frequency channel.

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

Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
This commit is contained in:
Tim Walker 2012-09-12 17:09:31 +02:00 committed by Justin Ruggles
parent 07584eaf4a
commit 8919fee7d2
4 changed files with 6 additions and 1 deletions
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3
doc/APIchanges
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@ -13,6 +13,9 @@ libavutil: 2011-04-18
API changes, most recent first:
2012-09-12 - xxxxxxx - lavu 51.41.0 - audioconvert.h
Added AV_CH_LOW_FREQUENCY_2 channel mask value.
2012-09-04 - xxxxxxx - lavu 51.40.0 - opt.h
Reordered the fields in default_val in AVOption, changed which
default_val field is used for which AVOptionType.

1
libavutil/audioconvert.c
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@ -53,6 +53,7 @@ static const char * const channel_names[] = {
[32] = "WR", /* wide right */
[33] = "SDL", /* surround direct left */
[34] = "SDR", /* surround direct right */
[35] = "LFE2", /* low frequency 2 */
};
static const char *get_channel_name(int channel_id)

1
libavutil/audioconvert.h
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@ -62,6 +62,7 @@
#define AV_CH_WIDE_RIGHT 0x0000000100000000ULL
#define AV_CH_SURROUND_DIRECT_LEFT 0x0000000200000000ULL
#define AV_CH_SURROUND_DIRECT_RIGHT 0x0000000400000000ULL
#define AV_CH_LOW_FREQUENCY_2 0x0000000800000000ULL
/** Channel mask value used for AVCodecContext.request_channel_layout
to indicate that the user requests the channel order of the decoder output

2
libavutil/version.h
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@ -37,7 +37,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 51
#define LIBAVUTIL_VERSION_MINOR 40
#define LIBAVUTIL_VERSION_MINOR 41
#define LIBAVUTIL_VERSION_MICRO 0
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \