my = s->mv[dir][0][1];
// store motion vectors for further use in B frames
- if(s->pict_type == P_TYPE) {
+ if(s->pict_type == FF_P_TYPE) {
s->current_picture.motion_val[1][s->block_index[0]][0] = mx;
s->current_picture.motion_val[1][s->block_index[0]][1] = my;
}
}
else
{
- v->zz_8x4 = ff_vc1_simple_progressive_8x4_zz;
- v->zz_4x8 = ff_vc1_simple_progressive_4x8_zz;
+ v->zz_8x4 = wmv2_scantableA;
+ v->zz_4x8 = wmv2_scantableB;
v->res_sm = get_bits(gb, 2); //reserved
if (v->res_sm)
{
v->s.pict_type = get_bits1(gb);
if (v->s.avctx->max_b_frames) {
if (!v->s.pict_type) {
- if (get_bits1(gb)) v->s.pict_type = I_TYPE;
- else v->s.pict_type = B_TYPE;
- } else v->s.pict_type = P_TYPE;
- } else v->s.pict_type = v->s.pict_type ? P_TYPE : I_TYPE;
+ if (get_bits1(gb)) v->s.pict_type = FF_I_TYPE;
+ else v->s.pict_type = FF_B_TYPE;
+ } else v->s.pict_type = FF_P_TYPE;
+ } else v->s.pict_type = v->s.pict_type ? FF_P_TYPE : FF_I_TYPE;
v->bi_type = 0;
- if(v->s.pict_type == B_TYPE) {
+ if(v->s.pict_type == FF_B_TYPE) {
v->bfraction = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1);
v->bfraction = ff_vc1_bfraction_lut[v->bfraction];
if(v->bfraction == 0) {
- v->s.pict_type = BI_TYPE;
+ v->s.pict_type = FF_BI_TYPE;
}
}
- if(v->s.pict_type == I_TYPE || v->s.pict_type == BI_TYPE)
+ if(v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_BI_TYPE)
skip_bits(gb, 7); // skip buffer fullness
/* calculate RND */
- if(v->s.pict_type == I_TYPE || v->s.pict_type == BI_TYPE)
+ if(v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_BI_TYPE)
v->rnd = 1;
- if(v->s.pict_type == P_TYPE)
+ if(v->s.pict_type == FF_P_TYPE)
v->rnd ^= 1;
/* Quantizer stuff */
pqindex = get_bits(gb, 5);
+ if(!pqindex) return -1;
if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)
v->pq = ff_vc1_pquant_table[0][pqindex];
else
if (v->postprocflag) v->postproc = get_bits1(gb);
}
else
- if (v->multires && v->s.pict_type != B_TYPE) v->respic = get_bits(gb, 2);
+ if (v->multires && v->s.pict_type != FF_B_TYPE) v->respic = get_bits(gb, 2);
- if(v->res_x8 && (v->s.pict_type == I_TYPE || v->s.pict_type == BI_TYPE)){
+ if(v->res_x8 && (v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_BI_TYPE)){
v->x8_type = get_bits1(gb);
}else v->x8_type = 0;
//av_log(v->s.avctx, AV_LOG_INFO, "%c Frame: QP=[%i]%i (+%i/2) %i\n",
-// (v->s.pict_type == P_TYPE) ? 'P' : ((v->s.pict_type == I_TYPE) ? 'I' : 'B'), pqindex, v->pq, v->halfpq, v->rangeredfrm);
+// (v->s.pict_type == FF_P_TYPE) ? 'P' : ((v->s.pict_type == FF_I_TYPE) ? 'I' : 'B'), pqindex, v->pq, v->halfpq, v->rangeredfrm);
- if(v->s.pict_type == I_TYPE || v->s.pict_type == P_TYPE) v->use_ic = 0;
+ if(v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_P_TYPE) v->use_ic = 0;
switch(v->s.pict_type) {
- case P_TYPE:
+ case FF_P_TYPE:
if (v->pq < 5) v->tt_index = 0;
else if(v->pq < 13) v->tt_index = 1;
else v->tt_index = 2;
v->ttfrm = TT_8X8;
}
break;
- case B_TYPE:
+ case FF_B_TYPE:
if (v->pq < 5) v->tt_index = 0;
else if(v->pq < 13) v->tt_index = 1;
else v->tt_index = 2;
{
/* AC Syntax */
v->c_ac_table_index = decode012(gb);
- if (v->s.pict_type == I_TYPE || v->s.pict_type == BI_TYPE)
+ if (v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_BI_TYPE)
{
v->y_ac_table_index = decode012(gb);
}
v->s.dc_table_index = get_bits1(gb);
}
- if(v->s.pict_type == BI_TYPE) {
- v->s.pict_type = B_TYPE;
+ if(v->s.pict_type == FF_BI_TYPE) {
+ v->s.pict_type = FF_B_TYPE;
v->bi_type = 1;
}
return 0;
}
switch(get_unary(gb, 0, 4)) {
case 0:
- v->s.pict_type = P_TYPE;
+ v->s.pict_type = FF_P_TYPE;
break;
case 1:
- v->s.pict_type = B_TYPE;
+ v->s.pict_type = FF_B_TYPE;
break;
case 2:
- v->s.pict_type = I_TYPE;
+ v->s.pict_type = FF_I_TYPE;
break;
case 3:
- v->s.pict_type = BI_TYPE;
+ v->s.pict_type = FF_BI_TYPE;
break;
case 4:
- v->s.pict_type = P_TYPE; // skipped pic
+ v->s.pict_type = FF_P_TYPE; // skipped pic
v->p_frame_skipped = 1;
return 0;
}
if(v->interlace)
v->uvsamp = get_bits1(gb);
if(v->finterpflag) v->interpfrm = get_bits1(gb);
- if(v->s.pict_type == B_TYPE) {
+ if(v->s.pict_type == FF_B_TYPE) {
v->bfraction = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1);
v->bfraction = ff_vc1_bfraction_lut[v->bfraction];
if(v->bfraction == 0) {
- v->s.pict_type = BI_TYPE; /* XXX: should not happen here */
+ v->s.pict_type = FF_BI_TYPE; /* XXX: should not happen here */
}
}
pqindex = get_bits(gb, 5);
+ if(!pqindex) return -1;
v->pqindex = pqindex;
if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)
v->pq = ff_vc1_pquant_table[0][pqindex];
if (v->quantizer_mode == QUANT_FRAME_EXPLICIT)
v->pquantizer = get_bits1(gb);
- if(v->s.pict_type == I_TYPE || v->s.pict_type == P_TYPE) v->use_ic = 0;
+ if(v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_P_TYPE) v->use_ic = 0;
switch(v->s.pict_type) {
- case I_TYPE:
- case BI_TYPE:
+ case FF_I_TYPE:
+ case FF_BI_TYPE:
status = bitplane_decoding(v->acpred_plane, &v->acpred_is_raw, v);
if (status < 0) return -1;
av_log(v->s.avctx, AV_LOG_DEBUG, "ACPRED plane encoding: "
}
}
break;
- case P_TYPE:
+ case FF_P_TYPE:
if(v->postprocflag)
v->postproc = get_bits1(gb);
if (v->extended_mv) v->mvrange = get_unary(gb, 0, 3);
v->ttfrm = TT_8X8;
}
break;
- case B_TYPE:
+ case FF_B_TYPE:
if(v->postprocflag)
v->postproc = get_bits1(gb);
if (v->extended_mv) v->mvrange = get_unary(gb, 0, 3);
/* AC Syntax */
v->c_ac_table_index = decode012(gb);
- if (v->s.pict_type == I_TYPE || v->s.pict_type == BI_TYPE)
+ if (v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_BI_TYPE)
{
v->y_ac_table_index = decode012(gb);
}
/* DC Syntax */
v->s.dc_table_index = get_bits1(gb);
- if ((v->s.pict_type == I_TYPE || v->s.pict_type == BI_TYPE) && v->dquant) {
+ if ((v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_BI_TYPE) && v->dquant) {
av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");
vop_dquant_decoding(v);
}
v->bi_type = 0;
- if(v->s.pict_type == BI_TYPE) {
- v->s.pict_type = B_TYPE;
+ if(v->s.pict_type == FF_BI_TYPE) {
+ v->s.pict_type = FF_B_TYPE;
v->bi_type = 1;
}
return 0;
if(v->s.ac_pred) {
if(!dc_pred_dir)
- zz_table = ff_vc1_horizontal_zz;
+ zz_table = wmv1_scantable[2];
else
- zz_table = ff_vc1_vertical_zz;
+ zz_table = wmv1_scantable[3];
} else
- zz_table = ff_vc1_normal_zz;
+ zz_table = wmv1_scantable[1];
ac_val = s->ac_val[0][0] + s->block_index[n] * 16;
ac_val2 = ac_val;
if(v->s.ac_pred) {
if(!dc_pred_dir)
- zz_table = ff_vc1_horizontal_zz;
+ zz_table = wmv1_scantable[2];
else
- zz_table = ff_vc1_vertical_zz;
+ zz_table = wmv1_scantable[3];
} else
- zz_table = ff_vc1_normal_zz;
+ zz_table = wmv1_scantable[1];
while (!last) {
vc1_decode_ac_coeff(v, &last, &skip, &value, codingset);
const int8_t *zz_table;
int k;
- zz_table = ff_vc1_simple_progressive_8x8_zz;
+ zz_table = wmv1_scantable[0];
while (!last) {
vc1_decode_ac_coeff(v, &last, &skip, &value, codingset);
i += skip;
if(i > 63)
break;
- idx = ff_vc1_simple_progressive_8x8_zz[i++];
+ idx = wmv1_scantable[0][i++];
block[idx] = value * scale;
if(!v->pquantizer)
block[idx] += (block[idx] < 0) ? -mquant : mquant;
offset_table[6] = { 0, 1, 3, 7, 15, 31 };
int mb_has_coeffs = 1; /* last_flag */
int dmv_x, dmv_y; /* Differential MV components */
- int index, index1; /* LUT indices */
+ int index, index1; /* LUT indexes */
int val, sign; /* temp values */
int first_block = 1;
int dst_idx, off;
static const int size_table[6] = { 0, 2, 3, 4, 5, 8 },
offset_table[6] = { 0, 1, 3, 7, 15, 31 };
int mb_has_coeffs = 0; /* last_flag */
- int index, index1; /* LUT indices */
+ int index, index1; /* LUT indexes */
int val, sign; /* temp values */
int first_block = 1;
int dst_idx, off;
ff_draw_horiz_band(s, s->mb_y * 16, 16);
s->first_slice_line = 0;
}
- s->pict_type = P_TYPE;
+ s->pict_type = FF_P_TYPE;
}
static void vc1_decode_blocks(VC1Context *v)
}else{
switch(v->s.pict_type) {
- case I_TYPE:
+ case FF_I_TYPE:
if(v->profile == PROFILE_ADVANCED)
vc1_decode_i_blocks_adv(v);
else
vc1_decode_i_blocks(v);
break;
- case P_TYPE:
+ case FF_P_TYPE:
if(v->p_frame_skipped)
vc1_decode_skip_blocks(v);
else
vc1_decode_p_blocks(v);
break;
- case B_TYPE:
+ case FF_B_TYPE:
if(v->bi_type){
if(v->profile == PROFILE_ADVANCED)
vc1_decode_i_blocks_adv(v);
/** Find VC-1 marker in buffer
* @return position where next marker starts or end of buffer if no marker found
*/
-static av_always_inline uint8_t* find_next_marker(uint8_t *src, uint8_t *end)
+static av_always_inline const uint8_t* find_next_marker(const uint8_t *src, const uint8_t *end)
{
uint32_t mrk = 0xFFFFFFFF;
return end;
}
-static av_always_inline int vc1_unescape_buffer(uint8_t *src, int size, uint8_t *dst)
+static av_always_inline int vc1_unescape_buffer(const uint8_t *src, int size, uint8_t *dst)
{
int dsize = 0, i;
* @todo TODO: Handle VC-1 IDUs (Transport level?)
* @todo TODO: Decypher remaining bits in extra_data
*/
-static int vc1_decode_init(AVCodecContext *avctx)
+static av_cold int vc1_decode_init(AVCodecContext *avctx)
{
VC1Context *v = avctx->priv_data;
MpegEncContext *s = &v->s;
av_log(avctx, AV_LOG_INFO, "Read %i bits in overflow\n", -count);
}
} else { // VC1/WVC1
- uint8_t *start = avctx->extradata, *end = avctx->extradata + avctx->extradata_size;
- uint8_t *next; int size, buf2_size;
+ const uint8_t *start = avctx->extradata;
+ uint8_t *end = avctx->extradata + avctx->extradata_size;
+ const uint8_t *next;
+ int size, buf2_size;
uint8_t *buf2 = NULL;
- int seq_inited = 0, ep_inited = 0;
+ int seq_initialized = 0, ep_initialized = 0;
if(avctx->extradata_size < 16) {
av_log(avctx, AV_LOG_ERROR, "Extradata size too small: %i\n", avctx->extradata_size);
av_free(buf2);
return -1;
}
- seq_inited = 1;
+ seq_initialized = 1;
break;
case VC1_CODE_ENTRYPOINT:
if(decode_entry_point(avctx, &gb) < 0){
av_free(buf2);
return -1;
}
- ep_inited = 1;
+ ep_initialized = 1;
break;
}
}
av_free(buf2);
- if(!seq_inited || !ep_inited){
+ if(!seq_initialized || !ep_initialized){
av_log(avctx, AV_LOG_ERROR, "Incomplete extradata\n");
return -1;
}
*/
static int vc1_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- uint8_t *buf, int buf_size)
+ const uint8_t *buf, int buf_size)
{
VC1Context *v = avctx->priv_data;
MpegEncContext *s = &v->s;
buf2 = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
if(IS_MARKER(AV_RB32(buf))){ /* frame starts with marker and needs to be parsed */
- uint8_t *start, *end, *next;
+ const uint8_t *start, *end, *next;
int size;
next = buf;
}
}
}else if(v->interlace && ((buf[0] & 0xC0) == 0xC0)){ /* WVC1 interlaced stores both fields divided by marker */
- uint8_t *divider;
+ const uint8_t *divider;
divider = find_next_marker(buf, buf + buf_size);
if((divider == (buf + buf_size)) || AV_RB32(divider) != VC1_CODE_FIELD){
av_log(avctx, AV_LOG_ERROR, "Error in WVC1 interlaced frame\n");
+ av_free(buf2);
return -1;
}
}
}
- if(s->pict_type != I_TYPE && !v->res_rtm_flag){
+ if(s->pict_type != FF_I_TYPE && !v->res_rtm_flag){
av_free(buf2);
return -1;
}
// for hurry_up==5
s->current_picture.pict_type= s->pict_type;
- s->current_picture.key_frame= s->pict_type == I_TYPE;
+ s->current_picture.key_frame= s->pict_type == FF_I_TYPE;
/* skip B-frames if we don't have reference frames */
- if(s->last_picture_ptr==NULL && (s->pict_type==B_TYPE || s->dropable)){
+ if(s->last_picture_ptr==NULL && (s->pict_type==FF_B_TYPE || s->dropable)){
av_free(buf2);
return -1;//buf_size;
}
/* skip b frames if we are in a hurry */
- if(avctx->hurry_up && s->pict_type==B_TYPE) return -1;//buf_size;
- if( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==B_TYPE)
- || (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=I_TYPE)
+ if(avctx->hurry_up && s->pict_type==FF_B_TYPE) return -1;//buf_size;
+ if( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==FF_B_TYPE)
+ || (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=FF_I_TYPE)
|| avctx->skip_frame >= AVDISCARD_ALL) {
av_free(buf2);
return buf_size;
}
if(s->next_p_frame_damaged){
- if(s->pict_type==B_TYPE)
+ if(s->pict_type==FF_B_TYPE)
return buf_size;
else
s->next_p_frame_damaged=0;
assert(s->current_picture.pict_type == s->current_picture_ptr->pict_type);
assert(s->current_picture.pict_type == s->pict_type);
- if (s->pict_type == B_TYPE || s->low_delay) {
+ if (s->pict_type == FF_B_TYPE || s->low_delay) {
*pict= *(AVFrame*)s->current_picture_ptr;
} else if (s->last_picture_ptr != NULL) {
*pict= *(AVFrame*)s->last_picture_ptr;
/** Close a VC1/WMV3 decoder
* @warning Initial try at using MpegEncContext stuff
*/
-static int vc1_decode_end(AVCodecContext *avctx)
+static av_cold int vc1_decode_end(AVCodecContext *avctx)
{
VC1Context *v = avctx->priv_data;
av_freep(&v->acpred_plane);
av_freep(&v->over_flags_plane);
av_freep(&v->mb_type_base);
+ ff_intrax8_common_end(&v->x8);
return 0;
}
vc1_decode_end,
vc1_decode_frame,
CODEC_CAP_DELAY,
- NULL
+ NULL,
+ .long_name = NULL_IF_CONFIG_SMALL("SMPTE VC-1"),
};
AVCodec wmv3_decoder = {
vc1_decode_end,
vc1_decode_frame,
CODEC_CAP_DELAY,
- NULL
+ NULL,
+ .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 9"),
};
projects / ffmpeg / blobdiff