Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

mpegvideo: support encoding with chroma intra tables that differ from luma.

Browse Source 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
pull/2/head
Michael Niedermayer 13 years ago
parent 73a5287482
commit 2aaf32f52f
7 changed files with 46 additions and 17 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 5
      libavcodec/bfin/mpegvideo_bfin.c
  2. 15
      libavcodec/dnxhdenc.c
  3. 6
      libavcodec/mpegvideo.c
  4. 2
      libavcodec/mpegvideo.h
  5. 11
      libavcodec/mpegvideo_enc.c
  6. 5
      libavcodec/ppc/mpegvideo_altivec.c
  7. 11
      libavcodec/x86/mpegvideo_mmx_template.c

5
libavcodec/bfin/mpegvideo_bfin.c
Unescape View File

@ -61,8 +61,13 @@ static int dct_quantize_bfin (MpegEncContext *s,
dc = block[0] = (block[0] + (q >> 1)) / q;
start_i = 1;
last_non_zero = 0;
if(n<4){
bias = s->q_intra_matrix16[qscale][1];
qmat = s->q_intra_matrix16[qscale][0];
}else{
bias = s->q_chroma_intra_matrix16[qscale][1];
qmat = s->q_chroma_intra_matrix16[qscale][0];
}
} else {
start_i = 0;

15
libavcodec/dnxhdenc.c
Unescape View File

@ -77,7 +77,7 @@ static int dnxhd_10bit_dct_quantize(MpegEncContext *ctx, DCTELEM *block,
int n, int qscale, int *overflow)
{
const uint8_t *scantable= ctx->intra_scantable.scantable;
const int *qmat = ctx->q_intra_matrix[qscale];
const int *qmat = n<4 ? ctx->q_intra_matrix[qscale] : ctx->q_chroma_intra_matrix[qscale];
int last_non_zero = 0;
int i;
@ -208,6 +208,11 @@ static int dnxhd_init_qmat(DNXHDEncContext *ctx, int lbias, int cbias)
}
}
ctx->m.q_chroma_intra_matrix16 = ctx->qmatrix_c16;
ctx->m.q_chroma_intra_matrix = ctx->qmatrix_c;
ctx->m.q_intra_matrix16 = ctx->qmatrix_l16;
ctx->m.q_intra_matrix = ctx->qmatrix_l;
return 0;
fail:
return -1;
@ -498,12 +503,8 @@ static av_always_inline void dnxhd_get_blocks(DNXHDEncContext *ctx, int mb_x, in
static av_always_inline int dnxhd_switch_matrix(DNXHDEncContext *ctx, int i)
{
if (i&2) {
ctx->m.q_intra_matrix16 = ctx->qmatrix_c16;
ctx->m.q_intra_matrix = ctx->qmatrix_c;
return 1 + (i&1);
} else {
ctx->m.q_intra_matrix16 = ctx->qmatrix_l16;
ctx->m.q_intra_matrix = ctx->qmatrix_l;
return 0;
}
}
@ -535,7 +536,7 @@ static int dnxhd_calc_bits_thread(AVCodecContext *avctx, void *arg, int jobnr, i
int n = dnxhd_switch_matrix(ctx, i);
memcpy(block, src_block, 64*sizeof(*block));
last_index = ctx->m.dct_quantize(&ctx->m, block, i, qscale, &overflow);
last_index = ctx->m.dct_quantize(&ctx->m, block, 4&(2*i), qscale, &overflow);
ac_bits += dnxhd_calc_ac_bits(ctx, block, last_index);
diff = block[0] - ctx->m.last_dc[n];
@ -582,7 +583,7 @@ static int dnxhd_encode_thread(AVCodecContext *avctx, void *arg, int jobnr, int
DCTELEM *block = ctx->blocks[i];
int last_index, overflow;
int n = dnxhd_switch_matrix(ctx, i);
last_index = ctx->m.dct_quantize(&ctx->m, block, i, qscale, &overflow);
last_index = ctx->m.dct_quantize(&ctx->m, block, 4&(2*i), qscale, &overflow);
//START_TIMER;
dnxhd_encode_block(ctx, block, last_index, n);
//STOP_TIMER("encode_block");

6
libavcodec/mpegvideo.c
Unescape View File

@ -687,8 +687,10 @@ av_cold int MPV_common_init(MpegEncContext *s)
FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size * sizeof(int), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix , 64*32 * sizeof(int), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix , 64*32 * sizeof(int), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix , 64*32 * sizeof(int), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix16, 64*32*2 * sizeof(uint16_t), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix16, 64*32*2 * sizeof(uint16_t), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix16, 64*32*2 * sizeof(uint16_t), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->input_picture, MAX_PICTURE_COUNT * sizeof(Picture*), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture, MAX_PICTURE_COUNT * sizeof(Picture*), fail)
@ -846,6 +848,10 @@ void MPV_common_end(MpegEncContext *s)
av_freep(&s->error_status_table);
av_freep(&s->mb_index2xy);
av_freep(&s->lambda_table);
if(s->q_chroma_intra_matrix != s->q_intra_matrix ) av_freep(&s->q_chroma_intra_matrix);
if(s->q_chroma_intra_matrix16 != s->q_intra_matrix16) av_freep(&s->q_chroma_intra_matrix16);
s->q_chroma_intra_matrix= NULL;
s->q_chroma_intra_matrix16= NULL;
av_freep(&s->q_intra_matrix);
av_freep(&s->q_inter_matrix);
av_freep(&s->q_intra_matrix16);

2
libavcodec/mpegvideo.h
Unescape View File

@ -448,9 +448,11 @@ typedef struct MpegEncContext {
/** precomputed matrix (combine qscale and DCT renorm) */
int (*q_intra_matrix)[64];
int (*q_chroma_intra_matrix)[64];
int (*q_inter_matrix)[64];
/** identical to the above but for MMX & these are not permutated, second 64 entries are bias*/
uint16_t (*q_intra_matrix16)[2][64];
uint16_t (*q_chroma_intra_matrix16)[2][64];
uint16_t (*q_inter_matrix16)[2][64];
/* noise reduction */

11
libavcodec/mpegvideo_enc.c
Unescape View File

@ -2825,6 +2825,13 @@ static int encode_picture(MpegEncContext *s, int picture_number)
update_qscale(s);
}
if(s->codec_id != CODEC_ID_AMV){
if(s->q_chroma_intra_matrix != s->q_intra_matrix ) av_freep(&s->q_chroma_intra_matrix);
if(s->q_chroma_intra_matrix16 != s->q_intra_matrix16) av_freep(&s->q_chroma_intra_matrix16);
s->q_chroma_intra_matrix = s->q_intra_matrix;
s->q_chroma_intra_matrix16 = s->q_intra_matrix16;
}
s->mb_intra=0; //for the rate distortion & bit compare functions
for(i=1; i<context_count; i++){
ff_update_duplicate_context(s->thread_context[i], s);
@ -3091,7 +3098,7 @@ static int dct_quantize_trellis_c(MpegEncContext *s,
block[0] = (block[0] + (q >> 1)) / q;
start_i = 1;
last_non_zero = 0;
qmat = s->q_intra_matrix[qscale];
qmat = n < 4 ? s->q_intra_matrix[qscale] : s->q_chroma_intra_matrix[qscale];
if(s->mpeg_quant || s->out_format == FMT_MPEG1)
bias= 1<<(QMAT_SHIFT-1);
length = s->intra_ac_vlc_length;
@ -3762,7 +3769,7 @@ int dct_quantize_c(MpegEncContext *s,
block[0] = (block[0] + (q >> 1)) / q;
start_i = 1;
last_non_zero = 0;
qmat = s->q_intra_matrix[qscale];
qmat = n < 4 ? s->q_intra_matrix[qscale] : s->q_chroma_intra_matrix[qscale];
bias= s->intra_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
} else {
start_i = 0;

5
libavcodec/ppc/mpegvideo_altivec.c
Unescape View File

@ -267,8 +267,13 @@ static int dct_quantize_altivec(MpegEncContext* s,
baseVector = vec_cts(vec_splat(row0, 0), 0);
vec_ste(baseVector, 0, &oldBaseValue);
if(n<4){
qmat = (vector signed int*)s->q_intra_matrix[qscale];
biasAddr = &(s->intra_quant_bias);
}else{
qmat = (vector signed int*)s->q_chroma_intra_matrix[qscale];
biasAddr = &(s->intra_quant_bias);
}
} else {
qmat = (vector signed int*)s->q_inter_matrix[qscale];
biasAddr = &(s->inter_quant_bias);

11
libavcodec/x86/mpegvideo_mmx_template.c
Unescape View File

@ -110,10 +110,15 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
if (s->mb_intra) {
int dummy;
if (n < 4)
if (n < 4){
q = s->y_dc_scale;
else
bias = s->q_intra_matrix16[qscale][1];
qmat = s->q_intra_matrix16[qscale][0];
}else{
q = s->c_dc_scale;
bias = s->q_chroma_intra_matrix16[qscale][1];
qmat = s->q_chroma_intra_matrix16[qscale][0];
}
/* note: block[0] is assumed to be positive */
if (!s->h263_aic) {
__asm__ volatile (
@ -128,8 +133,6 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
block[0]=0; //avoid fake overflow
// temp_block[0] = (block[0] + (q >> 1)) / q;
last_non_zero_p1 = 1;
bias = s->q_intra_matrix16[qscale][1];
qmat = s->q_intra_matrix16[qscale][0];
} else {
last_non_zero_p1 = 0;
bias = s->q_inter_matrix16[qscale][1];

Write Preview
Loading…
Cancel
Save