diff options
Diffstat (limited to 'libavcodec/h263.c')
| -rw-r--r-- | libavcodec/h263.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/libavcodec/h263.c b/libavcodec/h263.c index b02bace..313214c 100644 --- a/libavcodec/h263.c +++ b/libavcodec/h263.c @@ -1961,7 +1961,9 @@ void h263_encode_init(MpegEncContext *s) s->luma_dc_vlc_length= uni_DCtab_lum_len; s->chroma_dc_vlc_length= uni_DCtab_chrom_len; s->ac_esc_length= 7+2+1+6+1+12+1; - + s->y_dc_scale_table= ff_mpeg4_y_dc_scale_table; + s->c_dc_scale_table= ff_mpeg4_c_dc_scale_table; + if(s->flags & CODEC_FLAG_GLOBAL_HEADER){ s->avctx->extradata= av_malloc(1024); @@ -2290,12 +2292,11 @@ static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_n put_bits(&s->pb, 1, s->progressive_sequence ? 0 : 1); put_bits(&s->pb, 1, 1); /* obmc disable */ if (vo_ver_id == 1) { - put_bits(&s->pb, 1, s->vol_sprite_usage=0); /* sprite enable */ + put_bits(&s->pb, 1, s->vol_sprite_usage); /* sprite enable */ }else{ - put_bits(&s->pb, 2, s->vol_sprite_usage=0); /* sprite enable */ + put_bits(&s->pb, 2, s->vol_sprite_usage); /* sprite enable */ } - s->quant_precision=5; put_bits(&s->pb, 1, 0); /* not 8 bit == false */ put_bits(&s->pb, 1, s->mpeg_quant); /* quant type= (0=h263 style)*/ @@ -2384,9 +2385,6 @@ void mpeg4_encode_picture_header(MpegEncContext * s, int picture_number) if (s->pict_type == B_TYPE) put_bits(&s->pb, 3, s->b_code); /* fcode_back */ // printf("****frame %d\n", picture_number); - - s->y_dc_scale_table= ff_mpeg4_y_dc_scale_table; //FIXME add short header support - s->c_dc_scale_table= ff_mpeg4_c_dc_scale_table; } #endif //CONFIG_ENCODERS @@ -2965,8 +2963,16 @@ static inline void memsetw(short *tab, int val, int n) void ff_mpeg4_init_partitions(MpegEncContext *s) { - init_put_bits(&s->tex_pb, s->tex_pb_buffer, PB_BUFFER_SIZE); - init_put_bits(&s->pb2 , s->pb2_buffer , PB_BUFFER_SIZE); + uint8_t *start= pbBufPtr(&s->pb); + uint8_t *end= s->pb.buf_end; + int size= end - start; + int pb_size = size/3; + int pb2_size= size/3; + int tex_size= size - pb_size - pb2_size; + + set_put_bits_buffer_size(&s->pb, pb_size); + init_put_bits(&s->tex_pb, start + pb_size , tex_size); + init_put_bits(&s->pb2 , start + pb_size + tex_size, pb2_size); } void ff_mpeg4_merge_partitions(MpegEncContext *s) @@ -2989,8 +2995,9 @@ void ff_mpeg4_merge_partitions(MpegEncContext *s) flush_put_bits(&s->pb2); flush_put_bits(&s->tex_pb); - ff_copy_bits(&s->pb, s->pb2_buffer , pb2_len); - ff_copy_bits(&s->pb, s->tex_pb_buffer, tex_pb_len); + set_put_bits_buffer_size(&s->pb, s->pb2.buf_end - s->pb.buf); + ff_copy_bits(&s->pb, s->pb2.buf , pb2_len); + ff_copy_bits(&s->pb, s->tex_pb.buf, tex_pb_len); s->last_bits= put_bits_count(&s->pb); } |
