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ffmpeg.wasm-core
Commit 7351eb14 authored by Kostya Shishkov's avatar Kostya Shishkov Committed by Diego Biurrun
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Pretty-print RV3/4 decoder source 

Signed-off-by: 's avatarDiego Biurrun <diego@biurrun.de>
parent 9791c027
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Showing with 121 additions and 121 deletions
libavcodec/rv30.c
View file @ 7351eb14
......@@ -276,7 +276,7 @@ AVCodec ff_rv30_decoder = {
.close = ff_rv34_decode_end,
.decode = ff_rv34_decode_frame,
.capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY,
.flush = ff_mpeg_flush,
.long_name = NULL_IF_CONFIG_SMALL("RealVideo 3.0"),
.pix_fmts= ff_pixfmt_list_420,
.flush = ff_mpeg_flush,
.long_name = NULL_IF_CONFIG_SMALL("RealVideo 3.0"),
.pix_fmts = ff_pixfmt_list_420,
};
libavcodec/rv30dsp.c
View file @ 7351eb14
......@@ -29,10 +29,10 @@
#define RV30_LOWPASS(OPNAME, OP) \
static av_unused void OPNAME ## rv30_tpel8_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
const int h=8;\
const int h = 8;\
uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
int i;\
for(i=0; i<h; i++)\
for(i = 0; i < h; i++)\
{\
OP(dst[0], (-(src[-1]+src[2]) + src[0]*C1 + src[1]*C2 + 8)>>4);\
OP(dst[1], (-(src[ 0]+src[3]) + src[1]*C1 + src[2]*C2 + 8)>>4);\
......@@ -42,28 +42,28 @@ static av_unused void OPNAME ## rv30_tpel8_h_lowpass(uint8_t *dst, uint8_t *src,
OP(dst[5], (-(src[ 4]+src[7]) + src[5]*C1 + src[6]*C2 + 8)>>4);\
OP(dst[6], (-(src[ 5]+src[8]) + src[6]*C1 + src[7]*C2 + 8)>>4);\
OP(dst[7], (-(src[ 6]+src[9]) + src[7]*C1 + src[8]*C2 + 8)>>4);\
dst+=dstStride;\
src+=srcStride;\
dst += dstStride;\
src += srcStride;\
}\
}\
\
static void OPNAME ## rv30_tpel8_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
const int w=8;\
const int w = 8;\
uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
int i;\
for(i=0; i<w; i++)\
for(i = 0; i < w; i++)\
{\
const int srcA= src[-1*srcStride];\
const int src0= src[0 *srcStride];\
const int src1= src[1 *srcStride];\
const int src2= src[2 *srcStride];\
const int src3= src[3 *srcStride];\
const int src4= src[4 *srcStride];\
const int src5= src[5 *srcStride];\
const int src6= src[6 *srcStride];\
const int src7= src[7 *srcStride];\
const int src8= src[8 *srcStride];\
const int src9= src[9 *srcStride];\
const int srcA = src[-1*srcStride];\
const int src0 = src[0 *srcStride];\
const int src1 = src[1 *srcStride];\
const int src2 = src[2 *srcStride];\
const int src3 = src[3 *srcStride];\
const int src4 = src[4 *srcStride];\
const int src5 = src[5 *srcStride];\
const int src6 = src[6 *srcStride];\
const int src7 = src[7 *srcStride];\
const int src8 = src[8 *srcStride];\
const int src9 = src[9 *srcStride];\
OP(dst[0*dstStride], (-(srcA+src2) + src0*C1 + src1*C2 + 8)>>4);\
OP(dst[1*dstStride], (-(src0+src3) + src1*C1 + src2*C2 + 8)>>4);\
OP(dst[2*dstStride], (-(src1+src4) + src2*C1 + src3*C2 + 8)>>4);\
......
libavcodec/rv34.c
View file @ 7351eb14
......@@ -181,16 +181,16 @@ static av_always_inline void rv34_row_transform(int temp[16], DCTELEM *block)
{
int i;
for(i=0; i<4; i++){
const int z0= 13*(block[i+8*0] + block[i+8*2]);
const int z1= 13*(block[i+8*0] - block[i+8*2]);
const int z2= 7* block[i+8*1] - 17*block[i+8*3];
const int z3= 17* block[i+8*1] + 7*block[i+8*3];
temp[4*i+0]= z0+z3;
temp[4*i+1]= z1+z2;
temp[4*i+2]= z1-z2;
temp[4*i+3]= z0-z3;
for(i = 0; i < 4; i++){
const int z0 = 13*(block[i+8*0] + block[i+8*2]);
const int z1 = 13*(block[i+8*0] - block[i+8*2]);
const int z2 = 7* block[i+8*1] - 17*block[i+8*3];
const int z3 = 17* block[i+8*1] + 7*block[i+8*3];
temp[4*i+0] = z0 + z3;
temp[4*i+1] = z1 + z2;
temp[4*i+2] = z1 - z2;
temp[4*i+3] = z0 - z3;
}
}
......@@ -204,16 +204,16 @@ static void rv34_inv_transform(DCTELEM *block){
rv34_row_transform(temp, block);
for(i=0; i<4; i++){
const int z0= 13*(temp[4*0+i] + temp[4*2+i]) + 0x200;
const int z1= 13*(temp[4*0+i] - temp[4*2+i]) + 0x200;
const int z2= 7* temp[4*1+i] - 17*temp[4*3+i];
const int z3= 17* temp[4*1+i] + 7*temp[4*3+i];
block[i*8+0]= (z0 + z3)>>10;
block[i*8+1]= (z1 + z2)>>10;
block[i*8+2]= (z1 - z2)>>10;
block[i*8+3]= (z0 - z3)>>10;
for(i = 0; i < 4; i++){
const int z0 = 13*(temp[4*0+i] + temp[4*2+i]) + 0x200;
const int z1 = 13*(temp[4*0+i] - temp[4*2+i]) + 0x200;
const int z2 = 7* temp[4*1+i] - 17*temp[4*3+i];
const int z3 = 17* temp[4*1+i] + 7*temp[4*3+i];
block[i*8+0] = (z0 + z3) >> 10;
block[i*8+1] = (z1 + z2) >> 10;
block[i*8+2] = (z1 - z2) >> 10;
block[i*8+3] = (z0 - z3) >> 10;
}
}
......@@ -230,16 +230,16 @@ static void rv34_inv_transform_noround(DCTELEM *block){
rv34_row_transform(temp, block);
for(i=0; i<4; i++){
const int z0= 13*(temp[4*0+i] + temp[4*2+i]);
const int z1= 13*(temp[4*0+i] - temp[4*2+i]);
const int z2= 7* temp[4*1+i] - 17*temp[4*3+i];
const int z3= 17* temp[4*1+i] + 7*temp[4*3+i];
block[i*8+0]= ((z0 + z3)*3)>>11;
block[i*8+1]= ((z1 + z2)*3)>>11;
block[i*8+2]= ((z1 - z2)*3)>>11;
block[i*8+3]= ((z0 - z3)*3)>>11;
for(i = 0; i < 4; i++){
const int z0 = 13*(temp[4*0+i] + temp[4*2+i]);
const int z1 = 13*(temp[4*0+i] - temp[4*2+i]);
const int z2 = 7* temp[4*1+i] - 17*temp[4*3+i];
const int z3 = 17* temp[4*1+i] + 7*temp[4*3+i];
block[i*8+0] = ((z0 + z3) * 3) >> 11;
block[i*8+1] = ((z1 + z2) * 3) >> 11;
block[i*8+2] = ((z1 - z2) * 3) >> 11;
block[i*8+3] = ((z0 - z3) * 3) >> 11;
}
}
......@@ -772,7 +772,7 @@ static inline void rv34_mc(RV34DecContext *r, const int block_type,
srcV += uvsrc_y * s->uvlinesize + uvsrc_x;
if( (unsigned)(src_x - !!lx*2) > s->h_edge_pos - !!lx*2 - (width <<3) - 4
|| (unsigned)(src_y - !!ly*2) > s->v_edge_pos - !!ly*2 - (height<<3) - 4){
uint8_t *uvbuf= s->edge_emu_buffer + 22 * s->linesize;
uint8_t *uvbuf = s->edge_emu_buffer + 22 * s->linesize;
srcY -= 2 + 2*s->linesize;
s->dsp.emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize, (width<<3)+6, (height<<3)+6,
......@@ -1301,8 +1301,8 @@ static int rv34_decode_slice(RV34DecContext *r, int end, const uint8_t* buf, int
}
memset(r->intra_types_hist, -1, r->intra_types_stride * 4 * 2 * sizeof(*r->intra_types_hist));
s->first_slice_line = 1;
s->resync_mb_x= s->mb_x;
s->resync_mb_y= s->mb_y;
s->resync_mb_x = s->mb_x;
s->resync_mb_y = s->mb_y;
ff_init_block_index(s);
while(!check_slice_end(r, s)) {
......@@ -1344,11 +1344,11 @@ av_cold int ff_rv34_decode_init(AVCodecContext *avctx)
MpegEncContext *s = &r->s;
MPV_decode_defaults(s);
s->avctx= avctx;
s->avctx = avctx;
s->out_format = FMT_H263;
s->codec_id= avctx->codec_id;
s->codec_id = avctx->codec_id;
s->width = avctx->width;
s->width = avctx->width;
s->height = avctx->height;
r->s.avctx = avctx;
......@@ -1404,8 +1404,8 @@ int ff_rv34_decode_frame(AVCodecContext *avctx,
if (buf_size == 0) {
/* special case for last picture */
if (s->low_delay==0 && s->next_picture_ptr) {
*pict= *(AVFrame*)s->next_picture_ptr;
s->next_picture_ptr= NULL;
*pict = *(AVFrame*)s->next_picture_ptr;
s->next_picture_ptr = NULL;
*data_size = sizeof(AVFrame);
}
......@@ -1436,13 +1436,13 @@ int ff_rv34_decode_frame(AVCodecContext *avctx,
|| avctx->skip_frame >= AVDISCARD_ALL)
return buf_size;
for(i=0; i<slice_count; i++){
int offset= get_slice_offset(avctx, slices_hdr, i);
for(i = 0; i < slice_count; i++){
int offset = get_slice_offset(avctx, slices_hdr, i);
int size;
if(i+1 == slice_count)
size= buf_size - offset;
size = buf_size - offset;
else
size= get_slice_offset(avctx, slices_hdr, i+1) - offset;
size = get_slice_offset(avctx, slices_hdr, i+1) - offset;
if(offset > buf_size){
av_log(avctx, AV_LOG_ERROR, "Slice offset is greater than frame size\n");
......@@ -1472,16 +1472,16 @@ int ff_rv34_decode_frame(AVCodecContext *avctx,
ff_er_frame_end(s);
MPV_frame_end(s);
if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
*pict= *(AVFrame*)s->current_picture_ptr;
*pict = *(AVFrame*)s->current_picture_ptr;
} else if (s->last_picture_ptr != NULL) {
*pict= *(AVFrame*)s->last_picture_ptr;
*pict = *(AVFrame*)s->last_picture_ptr;
}
if(s->last_picture_ptr || s->low_delay){
*data_size = sizeof(AVFrame);
ff_print_debug_info(s, pict);
}
s->current_picture_ptr= NULL; //so we can detect if frame_end wasnt called (find some nicer solution...)
s->current_picture_ptr = NULL; //so we can detect if frame_end wasnt called (find some nicer solution...)
}
return buf_size;
}
......
libavcodec/rv40.c
View file @ 7351eb14
......@@ -677,7 +677,7 @@ AVCodec ff_rv40_decoder = {
.close = ff_rv34_decode_end,
.decode = ff_rv34_decode_frame,
.capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY,
.flush = ff_mpeg_flush,
.long_name = NULL_IF_CONFIG_SMALL("RealVideo 4.0"),
.pix_fmts= ff_pixfmt_list_420,
.flush = ff_mpeg_flush,
.long_name = NULL_IF_CONFIG_SMALL("RealVideo 4.0"),
.pix_fmts = ff_pixfmt_list_420,
};
libavcodec/rv40dsp.c
View file @ 7351eb14
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