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ffmpeg.wasm-core
Commit 3d5a9ba1 authored by Nick Brereton's avatar Nick Brereton Committed by Martin Storsjö
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Support DTS-ES extension (XCh) in dca: update and add channel mapping tables for DTS-ES mappings 

Patch by Nick Brereton, nick at nbrereton dot net

Originally committed as revision 23696 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 6baef06e
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Showing with 71 additions and 34 deletions
libavcodec/dca.c
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......@@ -95,44 +95,81 @@ static const int8_t dca_lfe_index[] = {
1,2,2,2,2,3,2,3,2,3,2,3,1,3,2,3
};
static const int8_t dca_channel_reorder_lfe[][8] = {
{ 0, -1, -1, -1, -1, -1, -1, -1},
{ 0, 1, -1, -1, -1, -1, -1, -1},
{ 0, 1, -1, -1, -1, -1, -1, -1},
{ 0, 1, -1, -1, -1, -1, -1, -1},
{ 0, 1, -1, -1, -1, -1, -1, -1},
{ 2, 0, 1, -1, -1, -1, -1, -1},
{ 0, 1, 3, -1, -1, -1, -1, -1},
{ 2, 0, 1, 4, -1, -1, -1, -1},
{ 0, 1, 3, 4, -1, -1, -1, -1},
{ 2, 0, 1, 4, 5, -1, -1, -1},
{ 3, 4, 0, 1, 5, 6, -1, -1},
{ 2, 0, 1, 4, 5, 6, -1, -1},
{ 0, 6, 4, 5, 2, 3, -1, -1},
{ 4, 2, 5, 0, 1, 6, 7, -1},
{ 5, 6, 0, 1, 7, 3, 8, 4},
{ 4, 2, 5, 0, 1, 6, 8, 7},
static const int8_t dca_channel_reorder_lfe[][9] = {
{ 0, -1, -1, -1, -1, -1, -1, -1, -1},
{ 0, 1, -1, -1, -1, -1, -1, -1, -1},
{ 0, 1, -1, -1, -1, -1, -1, -1, -1},
{ 0, 1, -1, -1, -1, -1, -1, -1, -1},
{ 0, 1, -1, -1, -1, -1, -1, -1, -1},
{ 2, 0, 1, -1, -1, -1, -1, -1, -1},
{ 0, 1, 3, -1, -1, -1, -1, -1, -1},
{ 2, 0, 1, 4, -1, -1, -1, -1, -1},
{ 0, 1, 3, 4, -1, -1, -1, -1, -1},
{ 2, 0, 1, 4, 5, -1, -1, -1, -1},
{ 3, 4, 0, 1, 5, 6, -1, -1, -1},
{ 2, 0, 1, 4, 5, 6, -1, -1, -1},
{ 0, 6, 4, 5, 2, 3, -1, -1, -1},
{ 4, 2, 5, 0, 1, 6, 7, -1, -1},
{ 5, 6, 0, 1, 7, 3, 8, 4, -1},
{ 4, 2, 5, 0, 1, 6, 8, 7, -1},
};
static const int8_t dca_channel_reorder_nolfe[][8] = {
{ 0, -1, -1, -1, -1, -1, -1, -1},
{ 0, 1, -1, -1, -1, -1, -1, -1},
{ 0, 1, -1, -1, -1, -1, -1, -1},
{ 0, 1, -1, -1, -1, -1, -1, -1},
{ 0, 1, -1, -1, -1, -1, -1, -1},
{ 2, 0, 1, -1, -1, -1, -1, -1},
{ 0, 1, 2, -1, -1, -1, -1, -1},
{ 2, 0, 1, 3, -1, -1, -1, -1},
{ 0, 1, 2, 3, -1, -1, -1, -1},
{ 2, 0, 1, 3, 4, -1, -1, -1},
{ 2, 3, 0, 1, 4, 5, -1, -1},
{ 2, 0, 1, 3, 4, 5, -1, -1},
{ 0, 5, 3, 4, 1, 2, -1, -1},
{ 3, 2, 4, 0, 1, 5, 6, -1},
{ 4, 5, 0, 1, 6, 2, 7, 3},
{ 3, 2, 4, 0, 1, 5, 7, 6},
static const int8_t dca_channel_reorder_lfe_xch[][9] = {
{ 0, 2, -1, -1, -1, -1, -1, -1, -1},
{ 0, 1, 3, -1, -1, -1, -1, -1, -1},
{ 0, 1, 3, -1, -1, -1, -1, -1, -1},
{ 0, 1, 3, -1, -1, -1, -1, -1, -1},
{ 0, 1, 3, -1, -1, -1, -1, -1, -1},
{ 2, 0, 1, 4, -1, -1, -1, -1, -1},
{ 0, 1, 3, 4, -1, -1, -1, -1, -1},
{ 2, 0, 1, 4, 5, -1, -1, -1, -1},
{ 0, 1, 4, 5, 3, -1, -1, -1, -1},
{ 2, 0, 1, 5, 6, 4, -1, -1, -1},
{ 3, 4, 0, 1, 6, 7, 5, -1, -1},
{ 2, 0, 1, 4, 5, 6, 7, -1, -1},
{ 0, 6, 4, 5, 2, 3, 7, -1, -1},
{ 4, 2, 5, 0, 1, 7, 8, 6, -1},
{ 5, 6, 0, 1, 8, 3, 9, 4, 7},
{ 4, 2, 5, 0, 1, 6, 9, 8, 7},
};
static const int8_t dca_channel_reorder_nolfe[][9] = {
{ 0, -1, -1, -1, -1, -1, -1, -1, -1},
{ 0, 1, -1, -1, -1, -1, -1, -1, -1},
{ 0, 1, -1, -1, -1, -1, -1, -1, -1},
{ 0, 1, -1, -1, -1, -1, -1, -1, -1},
{ 0, 1, -1, -1, -1, -1, -1, -1, -1},
{ 2, 0, 1, -1, -1, -1, -1, -1, -1},
{ 0, 1, 2, -1, -1, -1, -1, -1, -1},
{ 2, 0, 1, 3, -1, -1, -1, -1, -1},
{ 0, 1, 2, 3, -1, -1, -1, -1, -1},
{ 2, 0, 1, 3, 4, -1, -1, -1, -1},
{ 2, 3, 0, 1, 4, 5, -1, -1, -1},
{ 2, 0, 1, 3, 4, 5, -1, -1, -1},
{ 0, 5, 3, 4, 1, 2, -1, -1, -1},
{ 3, 2, 4, 0, 1, 5, 6, -1, -1},
{ 4, 5, 0, 1, 6, 2, 7, 3, -1},
{ 3, 2, 4, 0, 1, 5, 7, 6, -1},
};
static const int8_t dca_channel_reorder_nolfe_xch[][9] = {
{ 0, 1, -1, -1, -1, -1, -1, -1, -1},
{ 0, 1, 2, -1, -1, -1, -1, -1, -1},
{ 0, 1, 2, -1, -1, -1, -1, -1, -1},
{ 0, 1, 2, -1, -1, -1, -1, -1, -1},
{ 0, 1, 2, -1, -1, -1, -1, -1, -1},
{ 2, 0, 1, 3, -1, -1, -1, -1, -1},
{ 0, 1, 2, 3, -1, -1, -1, -1, -1},
{ 2, 0, 1, 3, 4, -1, -1, -1, -1},
{ 0, 1, 3, 4, 2, -1, -1, -1, -1},
{ 2, 0, 1, 4, 5, 3, -1, -1, -1},
{ 2, 3, 0, 1, 5, 6, 4, -1, -1},
{ 2, 0, 1, 3, 4, 5, 6, -1, -1},
{ 0, 5, 3, 4, 1, 2, 6, -1, -1},
{ 3, 2, 4, 0, 1, 6, 7, 5, -1},
{ 4, 5, 0, 1, 7, 2, 8, 3, 6},
{ 3, 2, 4, 0, 1, 5, 8, 7, 6},
};
#define DCA_DOLBY 101 /* FIXME */
......
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