* Copyright (c) 2001 Fabrice Bellard.
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* msmpeg4v1 & v2 stuff by Michael Niedermayer <michaelni@gmx.at>
*/
static int msmpeg4_decode_dc(MpegEncContext * s, int n, int *dir_ptr);
static int msmpeg4_decode_motion(MpegEncContext * s,
int *mx_ptr, int *my_ptr);
-static void msmpeg4v2_encode_motion(MpegEncContext * s, int val);
static void init_h263_dc_for_msmpeg4(void);
static inline void msmpeg4_memsetw(short *tab, int val, int n);
#ifdef CONFIG_ENCODERS
+static void msmpeg4v2_encode_motion(MpegEncContext * s, int val);
static int get_size_of_code(MpegEncContext * s, RLTable *rl, int last, int run, int level, int intra);
#endif //CONFIG_ENCODERS
static int msmpeg4v12_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
static int msmpeg4v34_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
static int wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
-/* vc9 externs */
+/* vc1 externs */
extern uint8_t wmv3_dc_scale_table[32];
#ifdef DEBUG
static uint8_t rl_length[NB_RL_TABLES][MAX_LEVEL+1][MAX_RUN+1][2];
#endif //CONFIG_ENCODERS
-#ifdef STATS
-
-const char *st_names[ST_NB] = {
- "unknown",
- "dc",
- "intra_ac",
- "inter_ac",
- "intra_mb",
- "inter_mb",
- "mv",
-};
-
-int st_current_index = 0;
-unsigned int st_bit_counts[ST_NB];
-unsigned int st_out_bit_counts[ST_NB];
-
-#define set_stat(var) st_current_index = var;
-
-void print_stats(void)
-{
- unsigned int total;
- int i;
-
- printf("Input:\n");
- total = 0;
- for(i=0;i<ST_NB;i++)
- total += st_bit_counts[i];
- if (total == 0)
- total = 1;
- for(i=0;i<ST_NB;i++) {
- printf("%-10s : %10.1f %5.1f%%\n",
- st_names[i],
- (double)st_bit_counts[i] / 8.0,
- (double)st_bit_counts[i] * 100.0 / total);
- }
- printf("%-10s : %10.1f %5.1f%%\n",
- "total",
- (double)total / 8.0,
- 100.0);
-
- printf("Output:\n");
- total = 0;
- for(i=0;i<ST_NB;i++)
- total += st_out_bit_counts[i];
- if (total == 0)
- total = 1;
- for(i=0;i<ST_NB;i++) {
- printf("%-10s : %10.1f %5.1f%%\n",
- st_names[i],
- (double)st_out_bit_counts[i] / 8.0,
- (double)st_out_bit_counts[i] * 100.0 / total);
- }
- printf("%-10s : %10.1f %5.1f%%\n",
- "total",
- (double)total / 8.0,
- 100.0);
-}
-
-#else
-
-#define set_stat(var)
-
-#endif
-
static void common_init(MpegEncContext * s)
{
static int inited=0;
s->y_dc_scale_table= wmv1_y_dc_scale_table;
s->c_dc_scale_table= wmv1_c_dc_scale_table;
break;
-#if defined(CONFIG_WMV3_DECODER)||defined(CONFIG_VC9_DECODER)
+#if defined(CONFIG_WMV3_DECODER)||defined(CONFIG_VC1_DECODER)
case 6:
s->y_dc_scale_table= wmv3_dc_scale_table;
s->c_dc_scale_table= wmv3_dc_scale_table;
#ifdef DEBUG
intra_count = 0;
- printf("*****frame %d:\n", frame_count++);
+ av_log(s->avctx, AV_LOG_DEBUG, "*****frame %d:\n", frame_count++);
#endif
}
#if 0
if ((unsigned)mx >= 64 ||
(unsigned)my >= 64)
- fprintf(stderr, "error mx=%d my=%d\n", mx, my);
+ av_log(s->avctx, AV_LOG_ERROR, "error mx=%d my=%d\n", mx, my);
#endif
mv = &mv_tables[s->mv_table_index];
code = mv->table_mv_index[(mx << 6) | my];
- set_stat(ST_MV);
put_bits(&s->pb,
mv->table_mv_bits[code],
mv->table_mv_code[code]);
if (!s->mb_intra) {
/* compute cbp */
- set_stat(ST_INTER_MB);
cbp = 0;
for (i = 0; i < 6; i++) {
if (s->block_last_index[i] >= 0)
cbpy_tab[cbp>>2][0]);
}else{
if (s->pict_type == I_TYPE) {
- set_stat(ST_INTRA_MB);
put_bits(&s->pb,
ff_msmp4_mb_i_table[coded_cbp][1], ff_msmp4_mb_i_table[coded_cbp][0]);
} else {
table_mb_non_intra[cbp][1],
table_mb_non_intra[cbp][0]);
}
- set_stat(ST_INTRA_MB);
put_bits(&s->pb, 1, 0); /* no AC prediction yet */
if(s->inter_intra_pred){
s->h263_aic_dir=0;
/* dir = 0: left, dir = 1: top prediction */
static inline int msmpeg4_pred_dc(MpegEncContext * s, int n,
- uint16_t **dc_val_ptr, int *dir_ptr)
+ int16_t **dc_val_ptr, int *dir_ptr)
{
int a, b, c, wrap, pred, scale;
int16_t *dc_val;
necessitate to modify mpegvideo.c. The problem comes from the
fact they decided to store the quantized DC (which would lead
to problems if Q could vary !) */
-#if (defined(ARCH_X86) || defined(ARCH_X86_64)) && !defined PIC
+#if (defined(ARCH_X86)) && !defined PIC
asm volatile(
"movl %3, %%eax \n\t"
"shrl $1, %%eax \n\t"
"mull %4 \n\t"
"movl %%edx, %2 \n\t"
: "+b" (a), "+c" (b), "+D" (c)
- : "g" (scale), "S" (inverse[scale])
+ : "g" (scale), "S" (ff_inverse[scale])
: "%eax", "%edx"
);
#else
/* update predictor */
*dc_val= level;
}else{
- uint16_t *dc_val;
+ int16_t *dc_val;
pred = msmpeg4_pred_dc(s, n, &dc_val, dir_ptr);
/* update predictor */
const uint8_t *scantable;
if (s->mb_intra) {
- set_stat(ST_DC);
msmpeg4_encode_dc(s, block[0], n, &dc_pred_dir);
i = 1;
if (n < 4) {
}
run_diff = 0;
scantable= s->intra_scantable.permutated;
- set_stat(ST_INTRA_AC);
} else {
i = 0;
rl = &rl_table[3 + s->rl_table_index];
else
run_diff = 1;
scantable= s->inter_scantable.permutated;
- set_stat(ST_INTER_AC);
}
/* recalculate block_last_index for M$ wmv1 */
case 5:
s->decode_mb= wmv2_decode_mb;
case 6:
- //FIXME + TODO VC9 decode mb
+ //FIXME + TODO VC1 decode mb
break;
}
{
int i;
for(i=0; i<s->gb.size_in_bits; i++)
- printf("%d", get_bits1(&s->gb));
+ av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&s->gb));
// get_bits1(&s->gb);
-printf("END\n");
+av_log(s->avctx, AV_LOG_DEBUG, "END\n");
return -1;
}
#endif
s->esc3_run_length= 0;
#ifdef DEBUG
- printf("*****frame %d:\n", frame_count++);
+ av_log(s->avctx, AV_LOG_DEBUG, "*****frame %d:\n", frame_count++);
#endif
return 0;
}
tab[i] = val;
}
+#ifdef CONFIG_ENCODERS
static void msmpeg4v2_encode_motion(MpegEncContext * s, int val)
{
int range, bit_size, sign, code, bits;
}
}
}
+#endif
/* this is identical to h263 except that its range is multiplied by 2 */
static int msmpeg4v2_decode_motion(MpegEncContext * s, int pred, int f_code)
uint32_t * const mb_type_ptr= &s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride ];
if (s->pict_type == P_TYPE) {
- set_stat(ST_INTER_MB);
if (s->use_skip_mb_code) {
if (get_bits1(&s->gb)) {
/* skip mb */
cbp = code & 0x3f;
} else {
- set_stat(ST_INTRA_MB);
s->mb_intra = 1;
code = get_vlc2(&s->gb, ff_msmp4_mb_i_vlc.table, MB_INTRA_VLC_BITS, 2);
if (code < 0)
s->rl_table_index = decode012(&s->gb);
s->rl_chroma_table_index = s->rl_table_index;
}
- set_stat(ST_MV);
h263_pred_motion(s, 0, 0, &mx, &my);
if (msmpeg4_decode_motion(s, &mx, &my) < 0)
return -1;
*mb_type_ptr = MB_TYPE_L0 | MB_TYPE_16x16;
} else {
//printf("I at %d %d %d %06X\n", s->mb_x, s->mb_y, ((cbp&3)? 1 : 0) +((cbp&0x3C)? 2 : 0), show_bits(&s->gb, 24));
- set_stat(ST_INTRA_MB);
s->ac_pred = get_bits1(&s->gb);
*mb_type_ptr = MB_TYPE_INTRA;
if(s->inter_intra_pred){
qadd=0;
/* DC coef */
- set_stat(ST_DC);
level = msmpeg4_decode_dc(s, n, &dc_pred_dir);
if (level < 0){
} else {
scan_table = s->intra_scantable.permutated;
}
- set_stat(ST_INTRA_AC);
rl_vlc= rl->rl_vlc[0];
} else {
qmul = s->qscale << 1;
}
if(!scan_table)
scan_table = s->inter_scantable.permutated;
- set_stat(ST_INTER_AC);
rl_vlc= rl->rl_vlc[s->qscale];
}
{
//printf("level: %d, run: %d at %d %d\n", level, run, s->mb_x, s->mb_y);
#if 0 // waste of time / this will detect very few errors
{
- const int abs_level= ABS(level);
+ const int abs_level= FFABS(level);
const int run1= run - rl->max_run[last][abs_level] - run_diff;
if(abs_level<=MAX_LEVEL && run<=MAX_RUN){
if(abs_level <= rl->max_level[last][run]){
- fprintf(stderr, "illegal 3. esc, vlc encoding possible\n");
+ av_log(s->avctx, AV_LOG_ERROR, "illegal 3. esc, vlc encoding possible\n");
return DECODING_AC_LOST;
}
if(abs_level <= rl->max_level[last][run]*2){
- fprintf(stderr, "illegal 3. esc, esc 1 encoding possible\n");
+ av_log(s->avctx, AV_LOG_ERROR, "illegal 3. esc, esc 1 encoding possible\n");
return DECODING_AC_LOST;
}
if(run1>=0 && abs_level <= rl->max_level[last][run1]){
- fprintf(stderr, "illegal 3. esc, esc 2 encoding possible\n");
+ av_log(s->avctx, AV_LOG_ERROR, "illegal 3. esc, esc 2 encoding possible\n");
return DECODING_AC_LOST;
}
}
else level= level * qmul - qadd;
#if 0 // waste of time too :(
if(level>2048 || level<-2048){
- fprintf(stderr, "|level| overflow in 3. esc\n");
+ av_log(s->avctx, AV_LOG_ERROR, "|level| overflow in 3. esc\n");
return DECODING_AC_LOST;
}
#endif
/* update predictor */
*dc_val= level;
}else{
- uint16_t *dc_val;
+ int16_t *dc_val;
pred = msmpeg4_pred_dc(s, n, &dc_val, dir_ptr);
level += pred;
projects / ffmpeg / blobdiff