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msmpeg4v2 decoding (no encoding yet)

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Originally committed as revision 376 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2002-04-05 04:09:04 +00:00
parent fcb609f432
commit 84afee348f
9 changed files with 393 additions and 100 deletions
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23
libavcodec/mpeg4data.h
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@@ -12,13 +12,13 @@
#define GMC_SPRITE 2
/* dc encoding for mpeg4 */
static const UINT8 DCtab_lum[13][2] =
const UINT8 DCtab_lum[13][2] =
{
{3,3}, {3,2}, {2,2}, {2,3}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7},
{1,8}, {1,9}, {1,10}, {1,11},
};
static const UINT8 DCtab_chrom[13][2] =
const UINT8 DCtab_chrom[13][2] =
{
{3,2}, {2,2}, {1,2}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7}, {1,8},
{1,9}, {1,10}, {1,11}, {1,12},
@@ -103,3 +103,22 @@ static const UINT16 sprite_trajectory_tab[15][2] = {
static const UINT8 mb_type_b_tab[4][2] = {
{1, 1}, {1, 2}, {1, 3}, {1, 4},
};
static const UINT16 pixel_aspect[16][2]={
{0, 0},
{1, 1},
{12, 11},
{10, 11},
{16, 11},
{40, 33},
{0, 0},
{0, 0},
{0, 0},
{0, 0},
{0, 0},
{0, 0},
{0, 0},
{0, 0},
{0, 0},
{0, 0},
};