* RV30/40 decoder common data
* Copyright (c) 2007 Mike Melanson, Konstantin Shishkov
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file libavcodec/rv34.c
+ * @file
* RV30/40 decoder common data
*/
static RV34VLC intra_vlcs[NUM_INTRA_TABLES], inter_vlcs[NUM_INTER_TABLES];
+static int rv34_decode_mv(RV34DecContext *r, int block_type);
+
/**
- * @defgroup vlc RV30/40 VLC generating functions
+ * @name RV30/40 VLC generating functions
* @{
*/
{
int i;
int counts[17] = {0}, codes[17];
- uint16_t cw[size], syms[size];
- uint8_t bits2[size];
+ uint16_t cw[MAX_VLC_SIZE], syms[MAX_VLC_SIZE];
+ uint8_t bits2[MAX_VLC_SIZE];
int maxbits = 0, realsize = 0;
for(i = 0; i < size; i++){
/**
- * @defgroup transform RV30/40 inverse transform functions
+ * @name RV30/40 inverse transform functions
* @{
*/
/**
- * @defgroup block RV30/40 4x4 block decoding functions
+ * @name RV30/40 4x4 block decoding functions
* @{
*/
/**
- * @defgroup bitstream RV30/40 bitstream parsing
+ * @name RV30/40 bitstream parsing
* @{
*/
return get_bits(gb, 5);
}
+/**
+ * Decode macroblock header and return CBP in case of success, -1 otherwise.
+ */
+static int rv34_decode_mb_header(RV34DecContext *r, int8_t *intra_types)
+{
+ MpegEncContext *s = &r->s;
+ GetBitContext *gb = &s->gb;
+ int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
+ int i, t;
+
+ if(!r->si.type){
+ r->is16 = get_bits1(gb);
+ if(!r->is16 && !r->rv30){
+ if(!get_bits1(gb))
+ av_log(s->avctx, AV_LOG_ERROR, "Need DQUANT\n");
+ }
+ s->current_picture_ptr->mb_type[mb_pos] = r->is16 ? MB_TYPE_INTRA16x16 : MB_TYPE_INTRA;
+ r->block_type = r->is16 ? RV34_MB_TYPE_INTRA16x16 : RV34_MB_TYPE_INTRA;
+ }else{
+ r->block_type = r->decode_mb_info(r);
+ if(r->block_type == -1)
+ return -1;
+ s->current_picture_ptr->mb_type[mb_pos] = rv34_mb_type_to_lavc[r->block_type];
+ r->mb_type[mb_pos] = r->block_type;
+ if(r->block_type == RV34_MB_SKIP){
+ if(s->pict_type == AV_PICTURE_TYPE_P)
+ r->mb_type[mb_pos] = RV34_MB_P_16x16;
+ if(s->pict_type == AV_PICTURE_TYPE_B)
+ r->mb_type[mb_pos] = RV34_MB_B_DIRECT;
+ }
+ r->is16 = !!IS_INTRA16x16(s->current_picture_ptr->mb_type[mb_pos]);
+ rv34_decode_mv(r, r->block_type);
+ if(r->block_type == RV34_MB_SKIP){
+ fill_rectangle(intra_types, 4, 4, r->intra_types_stride, 0, sizeof(intra_types[0]));
+ return 0;
+ }
+ r->chroma_vlc = 1;
+ r->luma_vlc = 0;
+ }
+ if(IS_INTRA(s->current_picture_ptr->mb_type[mb_pos])){
+ if(r->is16){
+ t = get_bits(gb, 2);
+ fill_rectangle(intra_types, 4, 4, r->intra_types_stride, t, sizeof(intra_types[0]));
+ r->luma_vlc = 2;
+ }else{
+ if(r->decode_intra_types(r, gb, intra_types) < 0)
+ return -1;
+ r->luma_vlc = 1;
+ }
+ r->chroma_vlc = 0;
+ r->cur_vlcs = choose_vlc_set(r->si.quant, r->si.vlc_set, 0);
+ }else{
+ for(i = 0; i < 16; i++)
+ intra_types[(i & 3) + (i>>2) * r->intra_types_stride] = 0;
+ r->cur_vlcs = choose_vlc_set(r->si.quant, r->si.vlc_set, 1);
+ if(r->mb_type[mb_pos] == RV34_MB_P_MIX16x16){
+ r->is16 = 1;
+ r->chroma_vlc = 1;
+ r->luma_vlc = 2;
+ r->cur_vlcs = choose_vlc_set(r->si.quant, r->si.vlc_set, 0);
+ }
+ }
+
+ return rv34_decode_cbp(gb, r->cur_vlcs, r->is16);
+}
+
/** @} */ //bitstream functions
/**
- * @defgroup mv motion vector related code (prediction, reconstruction, motion compensation)
+ * @name motion vector related code (prediction, reconstruction, motion compensation)
* @{
*/
uint8_t *uvbuf= s->edge_emu_buffer + 22 * s->linesize;
srcY -= 2 + 2*s->linesize;
- ff_emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize, (width<<3)+6, (height<<3)+6,
+ s->dsp.emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize, (width<<3)+6, (height<<3)+6,
src_x - 2, src_y - 2, s->h_edge_pos, s->v_edge_pos);
srcY = s->edge_emu_buffer + 2 + 2*s->linesize;
- ff_emulated_edge_mc(uvbuf , srcU, s->uvlinesize, (width<<2)+1, (height<<2)+1,
+ s->dsp.emulated_edge_mc(uvbuf , srcU, s->uvlinesize, (width<<2)+1, (height<<2)+1,
uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, s->v_edge_pos >> 1);
- ff_emulated_edge_mc(uvbuf + 16, srcV, s->uvlinesize, (width<<2)+1, (height<<2)+1,
+ s->dsp.emulated_edge_mc(uvbuf + 16, srcV, s->uvlinesize, (width<<2)+1, (height<<2)+1,
uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, s->v_edge_pos >> 1);
srcU = uvbuf;
srcV = uvbuf + 16;
ZERO8x2(s->current_picture_ptr->motion_val[0][s->mb_x * 2 + s->mb_y * 2 * s->b8_stride], s->b8_stride);
return 0;
case RV34_MB_SKIP:
- if(s->pict_type == FF_P_TYPE){
+ if(s->pict_type == AV_PICTURE_TYPE_P){
ZERO8x2(s->current_picture_ptr->motion_val[0][s->mb_x * 2 + s->mb_y * 2 * s->b8_stride], s->b8_stride);
rv34_mc_1mv (r, block_type, 0, 0, 0, 2, 2, 0);
break;
/** @} */ // mv group
/**
- * @defgroup recons Macroblock reconstruction functions
+ * @name Macroblock reconstruction functions
* @{
*/
/** mapping of RV30/40 intra prediction types to standard H.264 types */
}
}
-/** @} */ // recons group
-
-/**
- * @addtogroup bitstream
- * Decode macroblock header and return CBP in case of success, -1 otherwise.
- */
-static int rv34_decode_mb_header(RV34DecContext *r, int8_t *intra_types)
-{
- MpegEncContext *s = &r->s;
- GetBitContext *gb = &s->gb;
- int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
- int i, t;
-
- if(!r->si.type){
- r->is16 = get_bits1(gb);
- if(!r->is16 && !r->rv30){
- if(!get_bits1(gb))
- av_log(s->avctx, AV_LOG_ERROR, "Need DQUANT\n");
- }
- s->current_picture_ptr->mb_type[mb_pos] = r->is16 ? MB_TYPE_INTRA16x16 : MB_TYPE_INTRA;
- r->block_type = r->is16 ? RV34_MB_TYPE_INTRA16x16 : RV34_MB_TYPE_INTRA;
- }else{
- r->block_type = r->decode_mb_info(r);
- if(r->block_type == -1)
- return -1;
- s->current_picture_ptr->mb_type[mb_pos] = rv34_mb_type_to_lavc[r->block_type];
- r->mb_type[mb_pos] = r->block_type;
- if(r->block_type == RV34_MB_SKIP){
- if(s->pict_type == FF_P_TYPE)
- r->mb_type[mb_pos] = RV34_MB_P_16x16;
- if(s->pict_type == FF_B_TYPE)
- r->mb_type[mb_pos] = RV34_MB_B_DIRECT;
- }
- r->is16 = !!IS_INTRA16x16(s->current_picture_ptr->mb_type[mb_pos]);
- rv34_decode_mv(r, r->block_type);
- if(r->block_type == RV34_MB_SKIP){
- fill_rectangle(intra_types, 4, 4, r->intra_types_stride, 0, sizeof(intra_types[0]));
- return 0;
- }
- r->chroma_vlc = 1;
- r->luma_vlc = 0;
- }
- if(IS_INTRA(s->current_picture_ptr->mb_type[mb_pos])){
- if(r->is16){
- t = get_bits(gb, 2);
- fill_rectangle(intra_types, 4, 4, r->intra_types_stride, t, sizeof(intra_types[0]));
- r->luma_vlc = 2;
- }else{
- if(r->decode_intra_types(r, gb, intra_types) < 0)
- return -1;
- r->luma_vlc = 1;
- }
- r->chroma_vlc = 0;
- r->cur_vlcs = choose_vlc_set(r->si.quant, r->si.vlc_set, 0);
- }else{
- for(i = 0; i < 16; i++)
- intra_types[(i & 3) + (i>>2) * r->intra_types_stride] = 0;
- r->cur_vlcs = choose_vlc_set(r->si.quant, r->si.vlc_set, 1);
- if(r->mb_type[mb_pos] == RV34_MB_P_MIX16x16){
- r->is16 = 1;
- r->chroma_vlc = 1;
- r->luma_vlc = 2;
- r->cur_vlcs = choose_vlc_set(r->si.quant, r->si.vlc_set, 0);
- }
- }
-
- return rv34_decode_cbp(gb, r->cur_vlcs, r->is16);
-}
-
-/**
- * @addtogroup recons
- * @{
- */
/**
* mask for retrieving all bits in coded block pattern
* corresponding to one 8x8 block
#define U_CBP_MASK 0x0F0000
#define V_CBP_MASK 0xF00000
+/** @} */ // recons group
+
static void rv34_apply_differences(RV34DecContext *r, int cbp)
{
MpegEncContext *s = &r->s;
int hmvmask = 0, vmvmask = 0, i, j;
int midx = s->mb_x * 2 + s->mb_y * 2 * s->b8_stride;
- int16_t (*motion_val)[2] = s->current_picture_ptr->motion_val[0][midx];
+ int16_t (*motion_val)[2] = &s->current_picture_ptr->motion_val[0][midx];
for(j = 0; j < 16; j += 8){
for(i = 0; i < 2; i++){
if(is_mv_diff_gt_3(motion_val + i, 1))
cbp = cbp2 = rv34_decode_mb_header(r, intra_types);
r->cbp_luma [mb_pos] = cbp;
r->cbp_chroma[mb_pos] = cbp >> 16;
- if(s->pict_type == FF_I_TYPE)
+ if(s->pict_type == AV_PICTURE_TYPE_I)
r->deblock_coefs[mb_pos] = 0xFFFF;
else
r->deblock_coefs[mb_pos] = rv34_set_deblock_coef(r) | r->cbp_luma[mb_pos];
MPV_common_end(s);
s->width = r->si.width;
s->height = r->si.height;
+ avcodec_set_dimensions(s->avctx, s->width, s->height);
if(MPV_common_init(s) < 0)
return -1;
r->intra_types_stride = s->mb_width*4 + 4;
r->cbp_chroma = av_realloc(r->cbp_chroma, r->s.mb_stride * r->s.mb_height * sizeof(*r->cbp_chroma));
r->deblock_coefs = av_realloc(r->deblock_coefs, r->s.mb_stride * r->s.mb_height * sizeof(*r->deblock_coefs));
}
- s->pict_type = r->si.type ? r->si.type : FF_I_TYPE;
+ s->pict_type = r->si.type ? r->si.type : AV_PICTURE_TYPE_I;
if(MPV_frame_start(s, s->avctx) < 0)
return -1;
ff_er_frame_start(s);
r->cur_pts = r->si.pts;
- if(s->pict_type != FF_B_TYPE){
+ if(s->pict_type != AV_PICTURE_TYPE_B){
r->last_pts = r->next_pts;
r->next_pts = r->cur_pts;
}
if (MPV_common_init(s) < 0)
return -1;
- ff_h264_pred_init(&r->h, CODEC_ID_RV40);
+ ff_h264_pred_init(&r->h, CODEC_ID_RV40, 8);
r->intra_types_stride = 4*s->mb_stride + 4;
r->intra_types_hist = av_malloc(r->intra_types_stride * 4 * 2 * sizeof(*r->intra_types_hist));
av_log(avctx, AV_LOG_ERROR, "First slice header is incorrect\n");
return -1;
}
- if((!s->last_picture_ptr || !s->last_picture_ptr->data[0]) && si.type == FF_B_TYPE)
+ if((!s->last_picture_ptr || !s->last_picture_ptr->data[0]) && si.type == AV_PICTURE_TYPE_B)
return -1;
- /* skip b frames if we are in a hurry */
- if(avctx->hurry_up && si.type==FF_B_TYPE) return buf_size;
- if( (avctx->skip_frame >= AVDISCARD_NONREF && si.type==FF_B_TYPE)
- || (avctx->skip_frame >= AVDISCARD_NONKEY && si.type!=FF_I_TYPE)
+ if( (avctx->skip_frame >= AVDISCARD_NONREF && si.type==AV_PICTURE_TYPE_B)
+ || (avctx->skip_frame >= AVDISCARD_NONKEY && si.type!=AV_PICTURE_TYPE_I)
|| avctx->skip_frame >= AVDISCARD_ALL)
return buf_size;
- /* skip everything if we are in a hurry>=5 */
- if(avctx->hurry_up>=5)
- return buf_size;
for(i=0; i<slice_count; i++){
int offset= get_slice_offset(avctx, slices_hdr, i);
r->loop_filter(r, s->mb_height - 1);
ff_er_frame_end(s);
MPV_frame_end(s);
- if (s->pict_type == FF_B_TYPE || s->low_delay) {
+ if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
*pict= *(AVFrame*)s->current_picture_ptr;
} else if (s->last_picture_ptr != NULL) {
*pict= *(AVFrame*)s->last_picture_ptr;
projects / ffmpeg / blobdiff