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authorMichael Niedermayer <michaelni@gmx.at>2003-03-03 14:54:00 +0000
committerMichael Niedermayer <michaelni@gmx.at>2003-03-03 14:54:00 +0000
commitb0368839ac6de47dee3e971c709676d9635865e9 (patch)
treed2f5240d3726509118642a98d11adfdd21d73d07 /libavcodec/mpegvideo.c
parenta5dbb247af9f02cff4899f16d3a87f49fe16727a (diff)
downloadffmpeg-b0368839ac6de47dee3e971c709676d9635865e9.tar.gz
MpegEncContext.(i)dct_* -> DspContext.(i)dct_*
bitexact cleanup Originally committed as revision 1617 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/mpegvideo.c')
-rw-r--r--libavcodec/mpegvideo.c125
1 files changed, 27 insertions, 98 deletions
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 2277216891..1cbc1e7d43 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -24,7 +24,6 @@
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
-#include "simple_idct.h"
#ifdef USE_FASTMEMCPY
#include "fastmemcpy.h"
@@ -72,18 +71,6 @@ static const uint16_t aanscales[64] = {
4520 , 6270, 5906, 5315, 4520, 3552, 2446, 1247
};
-/* Input permutation for the simple_idct_mmx */
-static const uint8_t simple_mmx_permutation[64]={
- 0x00, 0x08, 0x04, 0x09, 0x01, 0x0C, 0x05, 0x0D,
- 0x10, 0x18, 0x14, 0x19, 0x11, 0x1C, 0x15, 0x1D,
- 0x20, 0x28, 0x24, 0x29, 0x21, 0x2C, 0x25, 0x2D,
- 0x12, 0x1A, 0x16, 0x1B, 0x13, 0x1E, 0x17, 0x1F,
- 0x02, 0x0A, 0x06, 0x0B, 0x03, 0x0E, 0x07, 0x0F,
- 0x30, 0x38, 0x34, 0x39, 0x31, 0x3C, 0x35, 0x3D,
- 0x22, 0x2A, 0x26, 0x2B, 0x23, 0x2E, 0x27, 0x2F,
- 0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,
-};
-
static const uint8_t h263_chroma_roundtab[16] = {
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
@@ -102,9 +89,9 @@ static void convert_matrix(MpegEncContext *s, int (*qmat)[64], uint16_t (*qmat16
for(qscale=qmin; qscale<=qmax; qscale++){
int i;
- if (s->fdct == ff_jpeg_fdct_islow) {
+ if (s->dsp.fdct == ff_jpeg_fdct_islow) {
for(i=0;i<64;i++) {
- const int j= s->idct_permutation[i];
+ const int j= s->dsp.idct_permutation[i];
/* 16 <= qscale * quant_matrix[i] <= 7905 */
/* 19952 <= aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
/* (1<<36)/19952 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
@@ -113,9 +100,9 @@ static void convert_matrix(MpegEncContext *s, int (*qmat)[64], uint16_t (*qmat16
qmat[qscale][i] = (int)((uint64_t_C(1) << QMAT_SHIFT) /
(qscale * quant_matrix[j]));
}
- } else if (s->fdct == fdct_ifast) {
+ } else if (s->dsp.fdct == fdct_ifast) {
for(i=0;i<64;i++) {
- const int j= s->idct_permutation[i];
+ const int j= s->dsp.idct_permutation[i];
/* 16 <= qscale * quant_matrix[i] <= 7905 */
/* 19952 <= aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
/* (1<<36)/19952 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
@@ -126,7 +113,7 @@ static void convert_matrix(MpegEncContext *s, int (*qmat)[64], uint16_t (*qmat16
}
} else {
for(i=0;i<64;i++) {
- const int j= s->idct_permutation[i];
+ const int j= s->dsp.idct_permutation[i];
/* We can safely suppose that 16 <= quant_matrix[i] <= 255
So 16 <= qscale * quant_matrix[i] <= 7905
so (1<<19) / 16 >= (1<<19) / (qscale * quant_matrix[i]) >= (1<<19) / 7905
@@ -163,7 +150,7 @@ void ff_init_scantable(MpegEncContext *s, ScanTable *st, const uint8_t *src_scan
for(i=0; i<64; i++){
int j;
j = src_scantable[i];
- st->permutated[i] = s->idct_permutation[j];
+ st->permutated[i] = s->dsp.idct_permutation[j];
#ifdef ARCH_POWERPC
st->inverse[j] = i;
#endif
@@ -178,51 +165,16 @@ void ff_init_scantable(MpegEncContext *s, ScanTable *st, const uint8_t *src_scan
}
}
-/* XXX: those functions should be suppressed ASAP when all IDCTs are
- converted */
-// *FIXME* this is ugly hack using local static
-static void (*ff_put_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
-static void (*ff_add_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
-static void ff_jref_idct_put(uint8_t *dest, int line_size, DCTELEM *block)
-{
- j_rev_dct (block);
- ff_put_pixels_clamped(block, dest, line_size);
-}
-static void ff_jref_idct_add(uint8_t *dest, int line_size, DCTELEM *block)
-{
- j_rev_dct (block);
- ff_add_pixels_clamped(block, dest, line_size);
-}
-
/* init common dct for both encoder and decoder */
int DCT_common_init(MpegEncContext *s)
{
- int i;
-
- ff_put_pixels_clamped = s->dsp.put_pixels_clamped;
- ff_add_pixels_clamped = s->dsp.add_pixels_clamped;
-
s->dct_unquantize_h263 = dct_unquantize_h263_c;
s->dct_unquantize_mpeg1 = dct_unquantize_mpeg1_c;
s->dct_unquantize_mpeg2 = dct_unquantize_mpeg2_c;
+
#ifdef CONFIG_ENCODERS
s->dct_quantize= dct_quantize_c;
-
- if(s->avctx->dct_algo==FF_DCT_FASTINT)
- s->fdct = fdct_ifast;
- else
- s->fdct = ff_jpeg_fdct_islow; //slow/accurate/default
-#endif //CONFIG_ENCODERS
-
- if(s->avctx->idct_algo==FF_IDCT_INT){
- s->idct_put= ff_jref_idct_put;
- s->idct_add= ff_jref_idct_add;
- s->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;
- }else{ //accurate/default
- s->idct_put= simple_idct_put;
- s->idct_add= simple_idct_add;
- s->idct_permutation_type= FF_NO_IDCT_PERM;
- }
+#endif
#ifdef HAVE_MMX
MPV_common_init_mmx(s);
@@ -252,29 +204,6 @@ int DCT_common_init(MpegEncContext *s)
#endif //CONFIG_ENCODERS
- switch(s->idct_permutation_type){
- case FF_NO_IDCT_PERM:
- for(i=0; i<64; i++)
- s->idct_permutation[i]= i;
- break;
- case FF_LIBMPEG2_IDCT_PERM:
- for(i=0; i<64; i++)
- s->idct_permutation[i]= (i & 0x38) | ((i & 6) >> 1) | ((i & 1) << 2);
- break;
- case FF_SIMPLE_IDCT_PERM:
- for(i=0; i<64; i++)
- s->idct_permutation[i]= simple_mmx_permutation[i];
- break;
- case FF_TRANSPOSE_IDCT_PERM:
- for(i=0; i<64; i++)
- s->idct_permutation[i]= ((i&7)<<3) | (i>>3);
- break;
- default:
- fprintf(stderr, "Internal error, IDCT permutation not set\n");
- return -1;
- }
-
-
/* load & permutate scantables
note: only wmv uses differnt ones
*/
@@ -384,7 +313,7 @@ int MPV_common_init(MpegEncContext *s)
{
int y_size, c_size, yc_size, i;
- dsputil_init(&s->dsp, s->avctx->dsp_mask);
+ dsputil_init(&s->dsp, s->avctx);
DCT_common_init(s);
s->flags= s->avctx->flags;
@@ -768,7 +697,7 @@ int MPV_encode_init(AVCodecContext *avctx)
/* init default q matrix */
for(i=0;i<64;i++) {
- int j= s->idct_permutation[i];
+ int j= s->dsp.idct_permutation[i];
#ifdef CONFIG_RISKY
if(s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){
s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
@@ -1938,7 +1867,7 @@ static inline void put_dct(MpegEncContext *s,
DCTELEM *block, int i, uint8_t *dest, int line_size)
{
s->dct_unquantize(s, block, i, s->qscale);
- s->idct_put (dest, line_size, block);
+ s->dsp.idct_put (dest, line_size, block);
}
/* add block[] to dest[] */
@@ -1946,7 +1875,7 @@ static inline void add_dct(MpegEncContext *s,
DCTELEM *block, int i, uint8_t *dest, int line_size)
{
if (s->block_last_index[i] >= 0) {
- s->idct_add (dest, line_size, block);
+ s->dsp.idct_add (dest, line_size, block);
}
}
@@ -1956,7 +1885,7 @@ static inline void add_dequant_dct(MpegEncContext *s,
if (s->block_last_index[i] >= 0) {
s->dct_unquantize(s, block, i, s->qscale);
- s->idct_add (dest, line_size, block);
+ s->dsp.idct_add (dest, line_size, block);
}
}
@@ -2193,14 +2122,14 @@ void MPV_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
put_dct(s, block[5], 5, dest_cr, s->uvlinesize);
}
}else{
- s->idct_put(dest_y , dct_linesize, block[0]);
- s->idct_put(dest_y + 8, dct_linesize, block[1]);
- s->idct_put(dest_y + dct_offset , dct_linesize, block[2]);
- s->idct_put(dest_y + dct_offset + 8, dct_linesize, block[3]);
+ s->dsp.idct_put(dest_y , dct_linesize, block[0]);
+ s->dsp.idct_put(dest_y + 8, dct_linesize, block[1]);
+ s->dsp.idct_put(dest_y + dct_offset , dct_linesize, block[2]);
+ s->dsp.idct_put(dest_y + dct_offset + 8, dct_linesize, block[3]);
if(!(s->flags&CODEC_FLAG_GRAY)){
- s->idct_put(dest_cb, s->uvlinesize, block[4]);
- s->idct_put(dest_cr, s->uvlinesize, block[5]);
+ s->dsp.idct_put(dest_cb, s->uvlinesize, block[4]);
+ s->dsp.idct_put(dest_cr, s->uvlinesize, block[5]);
}
}
}
@@ -3040,7 +2969,7 @@ static void encode_picture(MpegEncContext *s, int picture_number)
/* for mjpeg, we do include qscale in the matrix */
s->intra_matrix[0] = ff_mpeg1_default_intra_matrix[0];
for(i=1;i<64;i++){
- int j= s->idct_permutation[i];
+ int j= s->dsp.idct_permutation[i];
s->intra_matrix[j] = CLAMP_TO_8BIT((ff_mpeg1_default_intra_matrix[i] * s->qscale) >> 3);
}
@@ -3549,7 +3478,7 @@ static int dct_quantize_trellis_c(MpegEncContext *s,
int score_limit=0;
int left_limit= 0;
- s->fdct (block);
+ s->dsp.fdct (block);
qmul= qscale*16;
qadd= ((qscale-1)|1)*8;
@@ -3648,7 +3577,7 @@ static int dct_quantize_trellis_c(MpegEncContext *s,
unquant_coeff= level*qmul - qadd;
}
}else{ //MPEG1
- j= s->idct_permutation[ scantable[i + start_i] ]; //FIXME optimize
+ j= s->dsp.idct_permutation[ scantable[i + start_i] ]; //FIXME optimize
if(s->mb_intra){
if (level < 0) {
unquant_coeff = (int)((-level) * qscale * s->intra_matrix[j]) >> 3;
@@ -3760,11 +3689,11 @@ static int dct_quantize_trellis_c(MpegEncContext *s,
i= last_i;
assert(last_level);
//FIXME use permutated scantable
- block[ s->idct_permutation[ scantable[last_non_zero] ] ]= last_level;
+ block[ s->dsp.idct_permutation[ scantable[last_non_zero] ] ]= last_level;
i -= last_run + 1;
for(;i>0 ; i -= run_tab[i] + 1){
- const int j= s->idct_permutation[ scantable[i - 1 + start_i] ];
+ const int j= s->dsp.idct_permutation[ scantable[i - 1 + start_i] ];
block[j]= level_tab[i];
assert(block[j]);
@@ -3784,7 +3713,7 @@ static int dct_quantize_c(MpegEncContext *s,
int max=0;
unsigned int threshold1, threshold2;
- s->fdct (block);
+ s->dsp.fdct (block);
if (s->mb_intra) {
if (!s->h263_aic) {
@@ -3836,8 +3765,8 @@ static int dct_quantize_c(MpegEncContext *s,
*overflow= s->max_qcoeff < max; //overflow might have happend
/* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */
- if (s->idct_permutation_type != FF_NO_IDCT_PERM)
- ff_block_permute(block, s->idct_permutation, scantable, last_non_zero);
+ if (s->dsp.idct_permutation_type != FF_NO_IDCT_PERM)
+ ff_block_permute(block, s->dsp.idct_permutation, scantable, last_non_zero);
return last_non_zero;
}