diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c
index 766a350ab390e806d303afc7759dbf1286f6698a..e516d7ee9987d63d1fb2b6b86b9cd66c3019fd80 100644
--- a/libavcodec/dsputil.c
+++ b/libavcodec/dsputil.c
@@ -2766,7 +2766,7 @@ static int quant_psnr8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *s
memcpy(bak, temp, 64*sizeof(DCTELEM));
s->block_last_index[0/*FIXME*/]= s->fast_dct_quantize(s, temp, 0/*FIXME*/, s->qscale, &i);
- s->dct_unquantize(s, temp, 0, s->qscale);
+ s->dct_unquantize_inter(s, temp, 0, s->qscale);
simple_idct(temp); //FIXME
for(i=0; i<64; i++)
@@ -2839,7 +2839,10 @@ static int rd8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *src2, int
}
if(last>=0){
- s->dct_unquantize(s, temp, 0, s->qscale);
+ if(s->mb_intra)
+ s->dct_unquantize_intra(s, temp, 0, s->qscale);
+ else
+ s->dct_unquantize_inter(s, temp, 0, s->qscale);
}
s->dsp.idct_add(bak, stride, temp);
diff --git a/libavcodec/i386/mpegvideo_mmx.c b/libavcodec/i386/mpegvideo_mmx.c
index 84897ccf0869e08e1d33ea554a4286df98a42919..2299d2be2e904fba1af0b8cfe02bbcad6b9ed709 100644
--- a/libavcodec/i386/mpegvideo_mmx.c
+++ b/libavcodec/i386/mpegvideo_mmx.c
@@ -31,31 +31,92 @@ static const unsigned long long int mm_wabs __attribute__ ((aligned(8))) = 0xfff
static const unsigned long long int mm_wone __attribute__ ((aligned(8))) = 0x0001000100010001ULL;
-static void dct_unquantize_h263_mmx(MpegEncContext *s,
+static void dct_unquantize_h263_intra_mmx(MpegEncContext *s,
DCTELEM *block, int n, int qscale)
{
int level, qmul, qadd, nCoeffs;
qmul = qscale << 1;
- qadd = (qscale - 1) | 1;
assert(s->block_last_index[n]>=0 || s->h263_aic);
- if (s->mb_intra) {
- if (!s->h263_aic) {
- if (n < 4)
- level = block[0] * s->y_dc_scale;
- else
- level = block[0] * s->c_dc_scale;
- }else{
- qadd = 0;
- level= block[0];
- }
- nCoeffs=63;
- } else {
- nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
- level = 0;/* keep gcc quiet */
+ if (!s->h263_aic) {
+ if (n < 4)
+ level = block[0] * s->y_dc_scale;
+ else
+ level = block[0] * s->c_dc_scale;
+ qadd = (qscale - 1) | 1;
+ }else{
+ qadd = 0;
+ level= block[0];
}
+ if(s->ac_pred)
+ nCoeffs=63;
+ else
+ nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
+//printf("%d %d ", qmul, qadd);
+asm volatile(
+ "movd %1, %%mm6 \n\t" //qmul
+ "packssdw %%mm6, %%mm6 \n\t"
+ "packssdw %%mm6, %%mm6 \n\t"
+ "movd %2, %%mm5 \n\t" //qadd
+ "pxor %%mm7, %%mm7 \n\t"
+ "packssdw %%mm5, %%mm5 \n\t"
+ "packssdw %%mm5, %%mm5 \n\t"
+ "psubw %%mm5, %%mm7 \n\t"
+ "pxor %%mm4, %%mm4 \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movq (%0, %3), %%mm0 \n\t"
+ "movq 8(%0, %3), %%mm1 \n\t"
+
+ "pmullw %%mm6, %%mm0 \n\t"
+ "pmullw %%mm6, %%mm1 \n\t"
+
+ "movq (%0, %3), %%mm2 \n\t"
+ "movq 8(%0, %3), %%mm3 \n\t"
+
+ "pcmpgtw %%mm4, %%mm2 \n\t" // block[i] < 0 ? -1 : 0
+ "pcmpgtw %%mm4, %%mm3 \n\t" // block[i] < 0 ? -1 : 0
+
+ "pxor %%mm2, %%mm0 \n\t"
+ "pxor %%mm3, %%mm1 \n\t"
+
+ "paddw %%mm7, %%mm0 \n\t"
+ "paddw %%mm7, %%mm1 \n\t"
+
+ "pxor %%mm0, %%mm2 \n\t"
+ "pxor %%mm1, %%mm3 \n\t"
+
+ "pcmpeqw %%mm7, %%mm0 \n\t" // block[i] == 0 ? -1 : 0
+ "pcmpeqw %%mm7, %%mm1 \n\t" // block[i] == 0 ? -1 : 0
+
+ "pandn %%mm2, %%mm0 \n\t"
+ "pandn %%mm3, %%mm1 \n\t"
+
+ "movq %%mm0, (%0, %3) \n\t"
+ "movq %%mm1, 8(%0, %3) \n\t"
+
+ "addl $16, %3 \n\t"
+ "jng 1b \n\t"
+ ::"r" (block+nCoeffs), "g"(qmul), "g" (qadd), "r" (2*(-nCoeffs))
+ : "memory"
+ );
+ block[0]= level;
+}
+
+
+static void dct_unquantize_h263_inter_mmx(MpegEncContext *s,
+ DCTELEM *block, int n, int qscale)
+{
+ int level, qmul, qadd, nCoeffs;
+
+ qmul = qscale << 1;
+ qadd = (qscale - 1) | 1;
+
+ assert(s->block_last_index[n]>=0 || s->h263_aic);
+
+ nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
//printf("%d %d ", qmul, qadd);
asm volatile(
"movd %1, %%mm6 \n\t" //qmul
@@ -104,8 +165,6 @@ asm volatile(
::"r" (block+nCoeffs), "g"(qmul), "g" (qadd), "r" (2*(-nCoeffs))
: "memory"
);
- if(s->mb_intra)
- block[0]= level;
}
@@ -138,24 +197,23 @@ asm volatile(
high3:low3 = low1*low2
high3 += tlow1
*/
-static void dct_unquantize_mpeg1_mmx(MpegEncContext *s,
+static void dct_unquantize_mpeg1_intra_mmx(MpegEncContext *s,
DCTELEM *block, int n, int qscale)
{
int nCoeffs;
const uint16_t *quant_matrix;
+ int block0;
assert(s->block_last_index[n]>=0);
nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ]+1;
- if (s->mb_intra) {
- int block0;
- if (n < 4)
- block0 = block[0] * s->y_dc_scale;
- else
- block0 = block[0] * s->c_dc_scale;
- /* XXX: only mpeg1 */
- quant_matrix = s->intra_matrix;
+ if (n < 4)
+ block0 = block[0] * s->y_dc_scale;
+ else
+ block0 = block[0] * s->c_dc_scale;
+ /* XXX: only mpeg1 */
+ quant_matrix = s->intra_matrix;
asm volatile(
"pcmpeqw %%mm7, %%mm7 \n\t"
"psrlw $15, %%mm7 \n\t"
@@ -205,9 +263,19 @@ asm volatile(
::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "g" (qscale), "g" (-2*nCoeffs)
: "%eax", "memory"
);
- block[0]= block0;
+ block[0]= block0;
+}
+
+static void dct_unquantize_mpeg1_inter_mmx(MpegEncContext *s,
+ DCTELEM *block, int n, int qscale)
+{
+ int nCoeffs;
+ const uint16_t *quant_matrix;
+
+ assert(s->block_last_index[n]>=0);
+
+ nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ]+1;
- } else {
quant_matrix = s->inter_matrix;
asm volatile(
"pcmpeqw %%mm7, %%mm7 \n\t"
@@ -262,28 +330,25 @@ asm volatile(
::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "g" (qscale), "g" (-2*nCoeffs)
: "%eax", "memory"
);
- }
-
}
-static void dct_unquantize_mpeg2_mmx(MpegEncContext *s,
+static void dct_unquantize_mpeg2_intra_mmx(MpegEncContext *s,
DCTELEM *block, int n, int qscale)
{
int nCoeffs;
const uint16_t *quant_matrix;
+ int block0;
assert(s->block_last_index[n]>=0);
if(s->alternate_scan) nCoeffs= 63; //FIXME
else nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ];
- if (s->mb_intra) {
- int block0;
- if (n < 4)
- block0 = block[0] * s->y_dc_scale;
- else
- block0 = block[0] * s->c_dc_scale;
- quant_matrix = s->intra_matrix;
+ if (n < 4)
+ block0 = block[0] * s->y_dc_scale;
+ else
+ block0 = block[0] * s->c_dc_scale;
+ quant_matrix = s->intra_matrix;
asm volatile(
"pcmpeqw %%mm7, %%mm7 \n\t"
"psrlw $15, %%mm7 \n\t"
@@ -329,10 +394,21 @@ asm volatile(
::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "g" (qscale), "g" (-2*nCoeffs)
: "%eax", "memory"
);
- block[0]= block0;
+ block[0]= block0;
//Note, we dont do mismatch control for intra as errors cannot accumulate
+}
+
+static void dct_unquantize_mpeg2_inter_mmx(MpegEncContext *s,
+ DCTELEM *block, int n, int qscale)
+{
+ int nCoeffs;
+ const uint16_t *quant_matrix;
+
+ assert(s->block_last_index[n]>=0);
+
+ if(s->alternate_scan) nCoeffs= 63; //FIXME
+ else nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ];
- } else {
quant_matrix = s->inter_matrix;
asm volatile(
"pcmpeqw %%mm7, %%mm7 \n\t"
@@ -397,7 +473,6 @@ asm volatile(
::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "g" (qscale), "r" (-2*nCoeffs)
: "%eax", "memory"
);
- }
}
/* draw the edges of width 'w' of an image of size width, height
@@ -505,9 +580,12 @@ void MPV_common_init_mmx(MpegEncContext *s)
if (mm_flags & MM_MMX) {
const int dct_algo = s->avctx->dct_algo;
- s->dct_unquantize_h263 = dct_unquantize_h263_mmx;
- s->dct_unquantize_mpeg1 = dct_unquantize_mpeg1_mmx;
- s->dct_unquantize_mpeg2 = dct_unquantize_mpeg2_mmx;
+ s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_mmx;
+ s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_mmx;
+ s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_mmx;
+ s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_mmx;
+ s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_mmx;
+ s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_mmx;
draw_edges = draw_edges_mmx;
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 5dbe9be91be76a5b3dcbe552628f6c9eba6f273f..61976d7d166de180026a50581130d0a013e6f4fb 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -40,11 +40,17 @@
#ifdef CONFIG_ENCODERS
static void encode_picture(MpegEncContext *s, int picture_number);
#endif //CONFIG_ENCODERS
-static void dct_unquantize_mpeg1_c(MpegEncContext *s,
+static void dct_unquantize_mpeg1_intra_c(MpegEncContext *s,
DCTELEM *block, int n, int qscale);
-static void dct_unquantize_mpeg2_c(MpegEncContext *s,
+static void dct_unquantize_mpeg1_inter_c(MpegEncContext *s,
DCTELEM *block, int n, int qscale);
-static void dct_unquantize_h263_c(MpegEncContext *s,
+static void dct_unquantize_mpeg2_intra_c(MpegEncContext *s,
+ DCTELEM *block, int n, int qscale);
+static void dct_unquantize_mpeg2_inter_c(MpegEncContext *s,
+ DCTELEM *block, int n, int qscale);
+static void dct_unquantize_h263_intra_c(MpegEncContext *s,
+ DCTELEM *block, int n, int qscale);
+static void dct_unquantize_h263_inter_c(MpegEncContext *s,
DCTELEM *block, int n, int qscale);
static void draw_edges_c(uint8_t *buf, int wrap, int width, int height, int w);
#ifdef CONFIG_ENCODERS
@@ -204,9 +210,12 @@ void ff_write_quant_matrix(PutBitContext *pb, int16_t *matrix){
/* init common dct for both encoder and decoder */
int DCT_common_init(MpegEncContext *s)
{
- s->dct_unquantize_h263 = dct_unquantize_h263_c;
- s->dct_unquantize_mpeg1 = dct_unquantize_mpeg1_c;
- s->dct_unquantize_mpeg2 = dct_unquantize_mpeg2_c;
+ s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_c;
+ s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_c;
+ s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_c;
+ s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_c;
+ s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_c;
+ s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_c;
#ifdef CONFIG_ENCODERS
s->dct_quantize= dct_quantize_c;
@@ -1186,12 +1195,16 @@ alloc:
/* set dequantizer, we cant do it during init as it might change for mpeg4
and we cant do it in the header decode as init isnt called for mpeg4 there yet */
- if(s->mpeg_quant || s->codec_id == CODEC_ID_MPEG2VIDEO)
- s->dct_unquantize = s->dct_unquantize_mpeg2;
- else if(s->out_format == FMT_H263)
- s->dct_unquantize = s->dct_unquantize_h263;
- else
- s->dct_unquantize = s->dct_unquantize_mpeg1;
+ if(s->mpeg_quant || s->codec_id == CODEC_ID_MPEG2VIDEO){
+ s->dct_unquantize_intra = s->dct_unquantize_mpeg2_intra;
+ s->dct_unquantize_inter = s->dct_unquantize_mpeg2_inter;
+ }else if(s->out_format == FMT_H263){
+ s->dct_unquantize_intra = s->dct_unquantize_h263_intra;
+ s->dct_unquantize_inter = s->dct_unquantize_h263_inter;
+ }else{
+ s->dct_unquantize_intra = s->dct_unquantize_mpeg1_intra;
+ s->dct_unquantize_inter = s->dct_unquantize_mpeg1_inter;
+ }
if(s->dct_error_sum){
assert(s->avctx->noise_reduction && s->encoding);
@@ -2746,7 +2759,7 @@ static inline void MPV_motion(MpegEncContext *s,
static inline void put_dct(MpegEncContext *s,
DCTELEM *block, int i, uint8_t *dest, int line_size, int qscale)
{
- s->dct_unquantize(s, block, i, qscale);
+ s->dct_unquantize_intra(s, block, i, qscale);
s->dsp.idct_put (dest, line_size, block);
}
@@ -2763,7 +2776,7 @@ static inline void add_dequant_dct(MpegEncContext *s,
DCTELEM *block, int i, uint8_t *dest, int line_size, int qscale)
{
if (s->block_last_index[i] >= 0) {
- s->dct_unquantize(s, block, i, qscale);
+ s->dct_unquantize_inter(s, block, i, qscale);
s->dsp.idct_add (dest, line_size, block);
}
@@ -4781,7 +4794,7 @@ static int dct_quantize_c(MpegEncContext *s,
#endif //CONFIG_ENCODERS
-static void dct_unquantize_mpeg1_c(MpegEncContext *s,
+static void dct_unquantize_mpeg1_intra_c(MpegEncContext *s,
DCTELEM *block, int n, int qscale)
{
int i, level, nCoeffs;
@@ -4789,62 +4802,60 @@ static void dct_unquantize_mpeg1_c(MpegEncContext *s,
nCoeffs= s->block_last_index[n];
- if (s->mb_intra) {
- if (n < 4)
- block[0] = block[0] * s->y_dc_scale;
- else
- block[0] = block[0] * s->c_dc_scale;
- /* XXX: only mpeg1 */
- quant_matrix = s->intra_matrix;
- for(i=1;i<=nCoeffs;i++) {
- int j= s->intra_scantable.permutated[i];
- level = block[j];
- if (level) {
- if (level < 0) {
- level = -level;
- level = (int)(level * qscale * quant_matrix[j]) >> 3;
- level = (level - 1) | 1;
- level = -level;
- } else {
- level = (int)(level * qscale * quant_matrix[j]) >> 3;
- level = (level - 1) | 1;
- }
-#ifdef PARANOID
- if (level < -2048 || level > 2047)
- fprintf(stderr, "unquant error %d %d\n", i, level);
-#endif
- block[j] = level;
+ if (n < 4)
+ block[0] = block[0] * s->y_dc_scale;
+ else
+ block[0] = block[0] * s->c_dc_scale;
+ /* XXX: only mpeg1 */
+ quant_matrix = s->intra_matrix;
+ for(i=1;i<=nCoeffs;i++) {
+ int j= s->intra_scantable.permutated[i];
+ level = block[j];
+ if (level) {
+ if (level < 0) {
+ level = -level;
+ level = (int)(level * qscale * quant_matrix[j]) >> 3;
+ level = (level - 1) | 1;
+ level = -level;
+ } else {
+ level = (int)(level * qscale * quant_matrix[j]) >> 3;
+ level = (level - 1) | 1;
}
+ block[j] = level;
}
- } else {
- i = 0;
- quant_matrix = s->inter_matrix;
- for(;i<=nCoeffs;i++) {
- int j= s->intra_scantable.permutated[i];
- level = block[j];
- if (level) {
- if (level < 0) {
- level = -level;
- level = (((level << 1) + 1) * qscale *
- ((int) (quant_matrix[j]))) >> 4;
- level = (level - 1) | 1;
- level = -level;
- } else {
- level = (((level << 1) + 1) * qscale *
- ((int) (quant_matrix[j]))) >> 4;
- level = (level - 1) | 1;
- }
-#ifdef PARANOID
- if (level < -2048 || level > 2047)
- fprintf(stderr, "unquant error %d %d\n", i, level);
-#endif
- block[j] = level;
+ }
+}
+
+static void dct_unquantize_mpeg1_inter_c(MpegEncContext *s,
+ DCTELEM *block, int n, int qscale)
+{
+ int i, level, nCoeffs;
+ const uint16_t *quant_matrix;
+
+ nCoeffs= s->block_last_index[n];
+
+ quant_matrix = s->inter_matrix;
+ for(i=0; i<=nCoeffs; i++) {
+ int j= s->intra_scantable.permutated[i];
+ level = block[j];
+ if (level) {
+ if (level < 0) {
+ level = -level;
+ level = (((level << 1) + 1) * qscale *
+ ((int) (quant_matrix[j]))) >> 4;
+ level = (level - 1) | 1;
+ level = -level;
+ } else {
+ level = (((level << 1) + 1) * qscale *
+ ((int) (quant_matrix[j]))) >> 4;
+ level = (level - 1) | 1;
}
+ block[j] = level;
}
}
}
-static void dct_unquantize_mpeg2_c(MpegEncContext *s,
+static void dct_unquantize_mpeg2_intra_c(MpegEncContext *s,
DCTELEM *block, int n, int qscale)
{
int i, level, nCoeffs;
@@ -4853,61 +4864,96 @@ static void dct_unquantize_mpeg2_c(MpegEncContext *s,
if(s->alternate_scan) nCoeffs= 63;
else nCoeffs= s->block_last_index[n];
- if (s->mb_intra) {
+ if (n < 4)
+ block[0] = block[0] * s->y_dc_scale;
+ else
+ block[0] = block[0] * s->c_dc_scale;
+ quant_matrix = s->intra_matrix;
+ for(i=1;i<=nCoeffs;i++) {
+ int j= s->intra_scantable.permutated[i];
+ level = block[j];
+ if (level) {
+ if (level < 0) {
+ level = -level;
+ level = (int)(level * qscale * quant_matrix[j]) >> 3;
+ level = -level;
+ } else {
+ level = (int)(level * qscale * quant_matrix[j]) >> 3;
+ }
+ block[j] = level;
+ }
+ }
+}
+
+static void dct_unquantize_mpeg2_inter_c(MpegEncContext *s,
+ DCTELEM *block, int n, int qscale)
+{
+ int i, level, nCoeffs;
+ const uint16_t *quant_matrix;
+ int sum=-1;
+
+ if(s->alternate_scan) nCoeffs= 63;
+ else nCoeffs= s->block_last_index[n];
+
+ quant_matrix = s->inter_matrix;
+ for(i=0; i<=nCoeffs; i++) {
+ int j= s->intra_scantable.permutated[i];
+ level = block[j];
+ if (level) {
+ if (level < 0) {
+ level = -level;
+ level = (((level << 1) + 1) * qscale *
+ ((int) (quant_matrix[j]))) >> 4;
+ level = -level;
+ } else {
+ level = (((level << 1) + 1) * qscale *
+ ((int) (quant_matrix[j]))) >> 4;
+ }
+ block[j] = level;
+ sum+=level;
+ }
+ }
+ block[63]^=sum&1;
+}
+
+static void dct_unquantize_h263_intra_c(MpegEncContext *s,
+ DCTELEM *block, int n, int qscale)
+{
+ int i, level, qmul, qadd;
+ int nCoeffs;
+
+ assert(s->block_last_index[n]>=0);
+
+ qmul = qscale << 1;
+
+ if (!s->h263_aic) {
if (n < 4)
block[0] = block[0] * s->y_dc_scale;
else
block[0] = block[0] * s->c_dc_scale;
- quant_matrix = s->intra_matrix;
- for(i=1;i<=nCoeffs;i++) {
- int j= s->intra_scantable.permutated[i];
- level = block[j];
- if (level) {
- if (level < 0) {
- level = -level;
- level = (int)(level * qscale * quant_matrix[j]) >> 3;
- level = -level;
- } else {
- level = (int)(level * qscale * quant_matrix[j]) >> 3;
- }
-#ifdef PARANOID
- if (level < -2048 || level > 2047)
- fprintf(stderr, "unquant error %d %d\n", i, level);
-#endif
- block[j] = level;
- }
- }
- } else {
- int sum=-1;
- i = 0;
- quant_matrix = s->inter_matrix;
- for(;i<=nCoeffs;i++) {
- int j= s->intra_scantable.permutated[i];
- level = block[j];
- if (level) {
- if (level < 0) {
- level = -level;
- level = (((level << 1) + 1) * qscale *
- ((int) (quant_matrix[j]))) >> 4;
- level = -level;
- } else {
- level = (((level << 1) + 1) * qscale *
- ((int) (quant_matrix[j]))) >> 4;
- }
-#ifdef PARANOID
- if (level < -2048 || level > 2047)
- fprintf(stderr, "unquant error %d %d\n", i, level);
-#endif
- block[j] = level;
- sum+=level;
+ qadd = (qscale - 1) | 1;
+ }else{
+ qadd = 0;
+ }
+ if(s->ac_pred)
+ nCoeffs=63;
+ else
+ nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
+
+ for(i=1; i<=nCoeffs; i++) {
+ level = block[i];
+ if (level) {
+ if (level < 0) {
+ level = level * qmul - qadd;
+ } else {
+ level = level * qmul + qadd;
}
+ block[i] = level;
}
- block[63]^=sum&1;
}
}
-
-static void dct_unquantize_h263_c(MpegEncContext *s,
+static void dct_unquantize_h263_inter_c(MpegEncContext *s,
DCTELEM *block, int n, int qscale)
{
int i, level, qmul, qadd;
@@ -4918,22 +4964,9 @@ static void dct_unquantize_h263_c(MpegEncContext *s,
qadd = (qscale - 1) | 1;
qmul = qscale << 1;
- if (s->mb_intra) {
- if (!s->h263_aic) {
- if (n < 4)
- block[0] = block[0] * s->y_dc_scale;
- else
- block[0] = block[0] * s->c_dc_scale;
- }else
- qadd = 0;
- i = 1;
- nCoeffs= 63; //does not allways use zigzag table
- } else {
- i = 0;
- nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
- }
+ nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
- for(;i<=nCoeffs;i++) {
+ for(i=0; i<=nCoeffs; i++) {
level = block[i];
if (level) {
if (level < 0) {
@@ -4941,16 +4974,11 @@ static void dct_unquantize_h263_c(MpegEncContext *s,
} else {
level = level * qmul + qadd;
}
-#ifdef PARANOID
- if (level < -2048 || level > 2047)
- fprintf(stderr, "unquant error %d %d\n", i, level);
-#endif
block[i] = level;
}
}
}
-
static const AVOption mpeg4_options[] =
{
AVOPTION_CODEC_INT("bitrate", "desired video bitrate", bit_rate, 4, 240000000, 800000),
diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h
index 52d6406a7972b0e61bde7401f54c38a9fbb6fd32..c3e39f58c7277bd6b8b66889c22f88ec46f26caa 100644
--- a/libavcodec/mpegvideo.h
+++ b/libavcodec/mpegvideo.h
@@ -645,13 +645,21 @@ typedef struct MpegEncContext {
#define SLICE_END -2 ///<end marker found
#define SLICE_NOEND -3 ///<no end marker or error found but mb count exceeded
- void (*dct_unquantize_mpeg1)(struct MpegEncContext *s,
+ void (*dct_unquantize_mpeg1_intra)(struct MpegEncContext *s,
DCTELEM *block/*align 16*/, int n, int qscale);
- void (*dct_unquantize_mpeg2)(struct MpegEncContext *s,
+ void (*dct_unquantize_mpeg1_inter)(struct MpegEncContext *s,
DCTELEM *block/*align 16*/, int n, int qscale);
- void (*dct_unquantize_h263)(struct MpegEncContext *s,
+ void (*dct_unquantize_mpeg2_intra)(struct MpegEncContext *s,
DCTELEM *block/*align 16*/, int n, int qscale);
- void (*dct_unquantize)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
+ void (*dct_unquantize_mpeg2_inter)(struct MpegEncContext *s,
+ DCTELEM *block/*align 16*/, int n, int qscale);
+ void (*dct_unquantize_h263_intra)(struct MpegEncContext *s,
+ DCTELEM *block/*align 16*/, int n, int qscale);
+ void (*dct_unquantize_h263_inter)(struct MpegEncContext *s,
+ DCTELEM *block/*align 16*/, int n, int qscale);
+ void (*dct_unquantize_intra)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
+ DCTELEM *block/*align 16*/, int n, int qscale);
+ void (*dct_unquantize_inter)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
DCTELEM *block/*align 16*/, int n, int qscale);
int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow);
int (*fast_dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow);