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implementing more efficient (and direct) allocation of work for DV codec workers

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Originally committed as revision 15788 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Roman Shaposhnik
2008-11-08 00:18:00 +00:00
parent 939e4e3a72
commit c3d470b4a9
2 changed files with 89 additions and 80 deletions
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20
libavcodec/dvdata.h
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@ -47,6 +47,7 @@ typedef struct DVprofile {
int height; /* picture height in pixels */
int width; /* picture width in pixels */
AVRational sar[2]; /* sample aspect ratios for 4:3 and 16:9 */
void **work_chunks; /* each thread gets its own chunk of frame to work on */
const uint16_t *video_place; /* positions of all DV macroblocks */
enum PixelFormat pix_fmt; /* picture pixel format */
int bpm; /* blocks per macroblock */
@ -6159,6 +6160,16 @@ static const uint8_t block_sizes_dv100[8] = {
80, 80, 80, 80, 80, 80, 64, 64,
};
static void *work_chunks_dv25pal [1*12*27];
static void *work_chunks_dv25pal411[1*12*27];
static void *work_chunks_dv25ntsc [1*10*27];
static void *work_chunks_dv50pal [2*12*27];
static void *work_chunks_dv50ntsc [2*10*27];
static void *work_chunks_dv100palp [2*12*27];
static void *work_chunks_dv100ntscp[2*10*27];
static void *work_chunks_dv100pali [4*12*27];
static void *work_chunks_dv100ntsci[4*10*27];
static const DVprofile dv_profiles[] = {
{ .dsf = 0,
.video_stype = 0x0,
@ -6171,6 +6182,7 @@ static const DVprofile dv_profiles[] = {
.width = 720,
.sar = {{10, 11}, {40, 33}},
.video_place = dv_place_411,
.work_chunks = &work_chunks_dv25ntsc[0],
.pix_fmt = PIX_FMT_YUV411P,
.bpm = 6,
.block_sizes = block_sizes_dv2550,
@ -6190,6 +6202,7 @@ static const DVprofile dv_profiles[] = {
.width = 720,
.sar = {{59, 54}, {118, 81}},
.video_place = dv_place_420,
.work_chunks = &work_chunks_dv25pal[0],
.pix_fmt = PIX_FMT_YUV420P,
.bpm = 6,
.block_sizes = block_sizes_dv2550,
@ -6209,6 +6222,7 @@ static const DVprofile dv_profiles[] = {
.width = 720,
.sar = {{59, 54}, {118, 81}},
.video_place = dv_place_411P,
.work_chunks = &work_chunks_dv25pal411[0],
.pix_fmt = PIX_FMT_YUV411P,
.bpm = 6,
.block_sizes = block_sizes_dv2550,
@ -6228,6 +6242,7 @@ static const DVprofile dv_profiles[] = {
.width = 720,
.sar = {{10, 11}, {40, 33}},
.video_place = dv_place_422_525,
.work_chunks = &work_chunks_dv50ntsc[0],
.pix_fmt = PIX_FMT_YUV422P,
.bpm = 6,
.block_sizes = block_sizes_dv2550,
@ -6247,6 +6262,7 @@ static const DVprofile dv_profiles[] = {
.width = 720,
.sar = {{59, 54}, {118, 81}},
.video_place = dv_place_422_625,
.work_chunks = &work_chunks_dv50pal[0],
.pix_fmt = PIX_FMT_YUV422P,
.bpm = 6,
.block_sizes = block_sizes_dv2550,
@ -6266,6 +6282,7 @@ static const DVprofile dv_profiles[] = {
.width = 1280,
.sar = {{1, 1}, {1, 1}},
.video_place = dv_place_1080i60,
.work_chunks = &work_chunks_dv100ntsci[0],
.pix_fmt = PIX_FMT_YUV422P,
.bpm = 8,
.block_sizes = block_sizes_dv100,
@ -6285,6 +6302,7 @@ static const DVprofile dv_profiles[] = {
.width = 1440,
.sar = {{1, 1}, {1, 1}},
.video_place = dv_place_1080i50,
.work_chunks = &work_chunks_dv100pali[0],
.pix_fmt = PIX_FMT_YUV422P,
.bpm = 8,
.block_sizes = block_sizes_dv100,
@ -6304,6 +6322,7 @@ static const DVprofile dv_profiles[] = {
.width = 960,
.sar = {{1, 1}, {1, 1}},
.video_place = dv_place_720p60,
.work_chunks = &work_chunks_dv100ntscp[0],
.pix_fmt = PIX_FMT_YUV422P,
.bpm = 8,
.block_sizes = block_sizes_dv100,
@ -6323,6 +6342,7 @@ static const DVprofile dv_profiles[] = {
.width = 960,
.sar = {{1, 1}, {1, 1}},
.video_place = dv_place_720p50,
.work_chunks = &work_chunks_dv100palp[0],
.pix_fmt = PIX_FMT_YUV422P,
.bpm = 8,
.block_sizes = block_sizes_dv100,