if(show_bits(&s->gb, 16)==0){
pos= get_bits_count(&s->gb);
if(CONFIG_MPEG4_DECODER && s->codec_id==CODEC_ID_MPEG4)
- ret= mpeg4_decode_video_packet_header(s);
+ ret= ff_mpeg4_decode_video_packet_header(s);
else
ret= h263_decode_gob_header(s);
if(ret>=0)
pos= get_bits_count(&s->gb);
if(CONFIG_MPEG4_DECODER && s->codec_id==CODEC_ID_MPEG4)
- ret= mpeg4_decode_video_packet_header(s);
+ ret= ff_mpeg4_decode_video_packet_header(s);
else
ret= h263_decode_gob_header(s);
if(ret>=0)
1, 1,
};
-RLTable rvlc_rl_inter = {
+RLTable ff_rvlc_rl_inter = {
169,
103,
inter_rvlc,
1, 1,
};
-RLTable rvlc_rl_intra = {
+RLTable ff_rvlc_rl_intra = {
169,
103,
intra_rvlc,
intra_rvlc_level,
};
-const uint16_t sprite_trajectory_tab[15][2] = {
+const uint16_t ff_sprite_trajectory_tab[15][2] = {
{0x00, 2}, {0x02, 3}, {0x03, 3}, {0x04, 3}, {0x05, 3}, {0x06, 3},
{0x0E, 4}, {0x1E, 5}, {0x3E, 6}, {0x7E, 7}, {0xFE, 8},
{0x1FE, 9},{0x3FE, 10},{0x7FE, 11},{0xFFE, 12},
};
-const uint8_t mb_type_b_tab[4][2] = {
+const uint8_t ff_mb_type_b_tab[4][2] = {
{1, 1}, {1, 2}, {1, 3}, {1, 4},
};
0x7F00, 0x7E00, 0x7C00, 0x7800, 0x7000, 0x6000, 0x4000, 0x0000
};
-const uint8_t mpeg4_dc_threshold[8]={
+const uint8_t ff_mpeg4_dc_threshold[8]={
99, 13, 15, 17, 19, 21, 23, 0
};
extern RLTable ff_mpeg4_rl_intra;
/* Note this is identical to the intra rvlc except that it is reordered. */
-extern RLTable rvlc_rl_inter;
-extern RLTable rvlc_rl_intra;
+extern RLTable ff_rvlc_rl_inter;
+extern RLTable ff_rvlc_rl_intra;
-extern const uint16_t sprite_trajectory_tab[15][2];
-extern const uint8_t mb_type_b_tab[4][2];
+extern const uint16_t ff_sprite_trajectory_tab[15][2];
+extern const uint8_t ff_mb_type_b_tab[4][2];
/* these matrixes will be permuted for the idct */
extern const int16_t ff_mpeg4_default_intra_matrix[64];
extern const uint8_t ff_mpeg4_c_dc_scale_table[32];
extern const uint16_t ff_mpeg4_resync_prefix[8];
-extern const uint8_t mpeg4_dc_threshold[8];
+extern const uint8_t ff_mpeg4_dc_threshold[8];
-void mpeg4_encode_mb(MpegEncContext *s,
- DCTELEM block[6][64],
- int motion_x, int motion_y);
-void mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n,
- int dir);
+void ff_mpeg4_encode_mb(MpegEncContext *s,
+ DCTELEM block[6][64],
+ int motion_x, int motion_y);
+void ff_mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n,
+ int dir);
void ff_set_mpeg4_time(MpegEncContext * s);
-void mpeg4_encode_picture_header(MpegEncContext *s, int picture_number);
+void ff_mpeg4_encode_picture_header(MpegEncContext *s, int picture_number);
int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb);
void ff_mpeg4_encode_video_packet_header(MpegEncContext *s);
void ff_clean_mpeg4_qscales(MpegEncContext *s);
int ff_mpeg4_decode_partitions(MpegEncContext *s);
int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s);
-int mpeg4_decode_video_packet_header(MpegEncContext *s);
+int ff_mpeg4_decode_video_packet_header(MpegEncContext *s);
void ff_mpeg4_init_direct_mv(MpegEncContext *s);
/**
* @param n block index (0-3 are luma, 4-5 are chroma)
* @param dir the ac prediction direction
*/
-void mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n,
- int dir)
+void ff_mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n,
+ int dir)
{
int i;
int16_t *ac_val, *ac_val1;
* Decode the next video packet.
* @return <0 if something went wrong
*/
-int mpeg4_decode_video_packet_header(MpegEncContext *s)
+int ff_mpeg4_decode_video_packet_header(MpegEncContext *s)
{
int mb_num_bits= av_log2(s->mb_num - 1) + 1;
int header_extension=0, mb_num, len;
goto not_coded;
if(rvlc){
- rl = &rvlc_rl_intra;
- rl_vlc = rvlc_rl_intra.rl_vlc[0];
+ rl = &ff_rvlc_rl_intra;
+ rl_vlc = ff_rvlc_rl_intra.rl_vlc[0];
}else{
rl = &ff_mpeg4_rl_intra;
rl_vlc = ff_mpeg4_rl_intra.rl_vlc[0];
s->block_last_index[n] = i;
return 0;
}
- if(rvlc) rl = &rvlc_rl_inter;
+ if(rvlc) rl = &ff_rvlc_rl_inter;
else rl = &ff_h263_rl_inter;
scan_table = s->intra_scantable.permutated;
qmul=1;
qadd=0;
if(rvlc){
- rl_vlc = rvlc_rl_inter.rl_vlc[0];
+ rl_vlc = ff_rvlc_rl_inter.rl_vlc[0];
}else{
rl_vlc = ff_h263_rl_inter.rl_vlc[0];
}
qmul = s->qscale << 1;
qadd = (s->qscale - 1) | 1;
if(rvlc){
- rl_vlc = rvlc_rl_inter.rl_vlc[s->qscale];
+ rl_vlc = ff_rvlc_rl_inter.rl_vlc[s->qscale];
}else{
rl_vlc = ff_h263_rl_inter.rl_vlc[s->qscale];
}
i -= i>>31; //if(i == -1) i=0;
}
- mpeg4_pred_ac(s, block, n, dc_pred_dir);
+ ff_mpeg4_pred_ac(s, block, n, dc_pred_dir);
if (s->ac_pred) {
i = 63; /* XXX: not optimal */
}
if(s->pict_type == AV_PICTURE_TYPE_B)
skip_bits_long(gb, s->cplx_estimation_trash_b);
- s->intra_dc_threshold= mpeg4_dc_threshold[ get_bits(gb, 3) ];
+ s->intra_dc_threshold= ff_mpeg4_dc_threshold[ get_bits(gb, 3) ];
if(!s->progressive_sequence){
s->top_field_first= get_bits1(gb);
s->alternate_scan= get_bits1(gb);
done = 1;
ff_init_rl(&ff_mpeg4_rl_intra, ff_mpeg4_static_rl_table_store[0]);
- ff_init_rl(&rvlc_rl_inter, ff_mpeg4_static_rl_table_store[1]);
- ff_init_rl(&rvlc_rl_intra, ff_mpeg4_static_rl_table_store[2]);
+ ff_init_rl(&ff_rvlc_rl_inter, ff_mpeg4_static_rl_table_store[1]);
+ ff_init_rl(&ff_rvlc_rl_intra, ff_mpeg4_static_rl_table_store[2]);
INIT_VLC_RL(ff_mpeg4_rl_intra, 554);
- INIT_VLC_RL(rvlc_rl_inter, 1072);
- INIT_VLC_RL(rvlc_rl_intra, 1072);
+ INIT_VLC_RL(ff_rvlc_rl_inter, 1072);
+ INIT_VLC_RL(ff_rvlc_rl_intra, 1072);
INIT_VLC_STATIC(&dc_lum, DC_VLC_BITS, 10 /* 13 */,
&ff_mpeg4_DCtab_lum[0][1], 2, 1,
&ff_mpeg4_DCtab_lum[0][0], 2, 1, 512);
&ff_mpeg4_DCtab_chrom[0][1], 2, 1,
&ff_mpeg4_DCtab_chrom[0][0], 2, 1, 512);
INIT_VLC_STATIC(&sprite_trajectory, SPRITE_TRAJ_VLC_BITS, 15,
- &sprite_trajectory_tab[0][1], 4, 2,
- &sprite_trajectory_tab[0][0], 4, 2, 128);
+ &ff_sprite_trajectory_tab[0][1], 4, 2,
+ &ff_sprite_trajectory_tab[0][0], 4, 2, 128);
INIT_VLC_STATIC(&mb_type_b_vlc, MB_TYPE_B_VLC_BITS, 4,
- &mb_type_b_tab[0][1], 2, 1,
- &mb_type_b_tab[0][0], 2, 1, 16);
+ &ff_mb_type_b_tab[0][1], 2, 1,
+ &ff_mb_type_b_tab[0][0], 2, 1, 16);
}
s->h263_pred = 1;
//FIXME this is duplicated to h263.c
static const int dquant_code[5]= {1,0,9,2,3};
-void mpeg4_encode_mb(MpegEncContext * s,
- DCTELEM block[6][64],
- int motion_x, int motion_y)
+void ff_mpeg4_encode_mb(MpegEncContext * s,
+ DCTELEM block[6][64],
+ int motion_x, int motion_y)
{
int cbpc, cbpy, pred_x, pred_y;
PutBitContext * const pb2 = s->data_partitioning ? &s->pb2 : &s->pb;
}
/* write mpeg4 VOP header */
-void mpeg4_encode_picture_header(MpegEncContext * s, int picture_number)
+void ff_mpeg4_encode_picture_header(MpegEncContext * s, int picture_number)
{
int time_incr;
int time_div, time_mod;
break;
case CODEC_ID_MPEG4:
if (CONFIG_MPEG4_ENCODER)
- mpeg4_encode_mb(s, s->block, motion_x, motion_y);
+ ff_mpeg4_encode_mb(s, s->block, motion_x, motion_y);
break;
case CODEC_ID_MSMPEG4V2:
case CODEC_ID_MSMPEG4V3:
else if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version)
msmpeg4_encode_picture_header(s, picture_number);
else if (CONFIG_MPEG4_ENCODER && s->h263_pred)
- mpeg4_encode_picture_header(s, picture_number);
+ ff_mpeg4_encode_picture_header(s, picture_number);
else if (CONFIG_RV10_ENCODER && s->codec_id == CODEC_ID_RV10)
rv10_encode_picture_header(s, picture_number);
else if (CONFIG_RV20_ENCODER && s->codec_id == CODEC_ID_RV20)
}
not_coded:
if (s->mb_intra) {
- mpeg4_pred_ac(s, block, n, dc_pred_dir);
+ ff_mpeg4_pred_ac(s, block, n, dc_pred_dir);
if (s->ac_pred) {
i = 63; /* XXX: not optimal */
}