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-rw-r--r--libavcodec/error_resilience.c2
-rw-r--r--libavcodec/h263dec.c104
-rw-r--r--libavcodec/mpeg12.c64
-rw-r--r--libavcodec/mpegvideo.c111
-rw-r--r--tests/ffmpeg.regression.ref4
-rw-r--r--tests/rotozoom.regression.ref4
6 files changed, 154 insertions, 135 deletions
diff --git a/libavcodec/error_resilience.c b/libavcodec/error_resilience.c
index 6a940ed0aa..4ac92bfd29 100644
--- a/libavcodec/error_resilience.c
+++ b/libavcodec/error_resilience.c
@@ -733,7 +733,7 @@ void ff_er_frame_end(MpegEncContext *s){
for(i=s->mb_num-2; i>=s->mb_width+100; i--){ //FIXME +100 hack
const int mb_xy= s->mb_index2xy[i];
int error1= s->error_status_table[mb_xy ];
- int error2= s->error_status_table[mb_xy+1];
+ int error2= s->error_status_table[s->mb_index2xy[i+1]];
if(error1&VP_START)
end_ok=1;
diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c
index 5ba0e16291..efc43cd67c 100644
--- a/libavcodec/h263dec.c
+++ b/libavcodec/h263dec.c
@@ -377,75 +377,6 @@ static int h263_find_frame_end(MpegEncContext *s, uint8_t *buf, int buf_size){
return END_NOT_FOUND;
}
-/**
- * draws an line from (ex, ey) -> (sx, sy).
- * @param w width of the image
- * @param h height of the image
- * @param stride stride/linesize of the image
- * @param color color of the arrow
- */
-static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h, int stride, int color){
- int t, x, y, f;
-
- ex= clip(ex, 0, w-1);
- ey= clip(ey, 0, h-1);
-
- buf[sy*stride + sx]+= color;
-
- if(ABS(ex - sx) > ABS(ey - sy)){
- if(sx > ex){
- t=sx; sx=ex; ex=t;
- t=sy; sy=ey; ey=t;
- }
- buf+= sx + sy*stride;
- ex-= sx;
- f= ((ey-sy)<<16)/ex;
- for(x= 0; x <= ex; x++){
- y= ((x*f) + (1<<15))>>16;
- buf[y*stride + x]+= color;
- }
- }else{
- if(sy > ey){
- t=sx; sx=ex; ex=t;
- t=sy; sy=ey; ey=t;
- }
- buf+= sx + sy*stride;
- ey-= sy;
- if(ey) f= ((ex-sx)<<16)/ey;
- else f= 0;
- for(y= 0; y <= ey; y++){
- x= ((y*f) + (1<<15))>>16;
- buf[y*stride + x]+= color;
- }
- }
-}
-
-/**
- * draws an arrow from (ex, ey) -> (sx, sy).
- * @param w width of the image
- * @param h height of the image
- * @param stride stride/linesize of the image
- * @param color color of the arrow
- */
-static void draw_arrow(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h, int stride, int color){
- int dx= ex - sx;
- int dy= ey - sy;
-
- if(dx*dx + dy*dy > 3*3){
- int rx= dx + dy;
- int ry= -dx + dy;
- int length= ff_sqrt((rx*rx + ry*ry)<<8);
-
- //FIXME subpixel accuracy
- rx= ROUNDED_DIV(rx*3<<4, length);
- ry= ROUNDED_DIV(ry*3<<4, length);
-
- draw_line(buf, sx, sy, sx + rx, sy + ry, w, h, stride, color);
- draw_line(buf, sx, sy, sx - ry, sy + rx, w, h, stride, color);
- }
- draw_line(buf, sx, sy, ex, ey, w, h, stride, color);
-}
-
int ff_h263_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
uint8_t *buf, int buf_size)
@@ -740,39 +671,8 @@ retry:
MPV_frame_end(s);
- if((avctx->debug&FF_DEBUG_VIS_MV) && s->last_picture_ptr){
- const int shift= 1 + s->quarter_sample;
- int mb_y;
- uint8_t *ptr= s->last_picture.data[0];
- s->low_delay=0; //needed to see the vectors without trashing the buffers
-
- for(mb_y=0; mb_y<s->mb_height; mb_y++){
- int mb_x;
- for(mb_x=0; mb_x<s->mb_width; mb_x++){
- const int mb_index= mb_x + mb_y*s->mb_stride;
- if(IS_8X8(s->current_picture.mb_type[mb_index])){
- int i;
- for(i=0; i<4; i++){
- int sx= mb_x*16 + 4 + 8*(i&1);
- int sy= mb_y*16 + 4 + 8*(i>>1);
- int xy= 1 + mb_x*2 + (i&1) + (mb_y*2 + 1 + (i>>1))*(s->mb_width*2 + 2);
- int mx= (s->motion_val[xy][0]>>shift) + sx;
- int my= (s->motion_val[xy][1]>>shift) + sy;
- draw_arrow(ptr, sx, sy, mx, my, s->width, s->height, s->linesize, 100);
- }
- }else{
- int sx= mb_x*16 + 8;
- int sy= mb_y*16 + 8;
- int xy= 1 + mb_x*2 + (mb_y*2 + 1)*(s->mb_width*2 + 2);
- int mx= (s->motion_val[xy][0]>>shift) + sx;
- int my= (s->motion_val[xy][1]>>shift) + sy;
- draw_arrow(ptr, sx, sy, mx, my, s->width, s->height, s->linesize, 100);
- }
- s->mbskip_table[mb_index]=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){
*pict= *(AVFrame*)&s->current_picture;
ff_print_debug_info(s, s->current_picture_ptr);
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c
index cf38ac74f2..a519fd9207 100644
--- a/libavcodec/mpeg12.c
+++ b/libavcodec/mpeg12.c
@@ -1770,18 +1770,15 @@ static void mpeg_decode_extension(AVCodecContext *avctx,
}
}
-#define DECODE_SLICE_MB_ADDR_ERROR -3 //we faild decoding the mb_x/y info
#define DECODE_SLICE_FATAL_ERROR -2
#define DECODE_SLICE_ERROR -1
#define DECODE_SLICE_OK 0
-#define DECODE_SLICE_EOP 1
/**
* decodes a slice.
* @return DECODE_SLICE_FATAL_ERROR if a non recoverable error occured<br>
* DECODE_SLICE_ERROR if the slice is damaged<br>
* DECODE_SLICE_OK if this slice is ok<br>
- * DECODE_SLICE_EOP if the end of the picture is reached
*/
static int mpeg_decode_slice(AVCodecContext *avctx,
AVFrame *pict,
@@ -1793,10 +1790,13 @@ static int mpeg_decode_slice(AVCodecContext *avctx,
int ret;
const int field_pic= s->picture_structure != PICT_FRAME;
+ s->resync_mb_x= s->mb_x =
+ s->resync_mb_y= s->mb_y = -1;
+
start_code = (start_code - 1) & 0xff;
if (start_code >= s->mb_height){
fprintf(stderr, "slice below image (%d >= %d)\n", start_code, s->mb_height);
- return DECODE_SLICE_MB_ADDR_ERROR;
+ return -1;
}
ff_mpeg1_clean_buffers(s);
@@ -1856,7 +1856,7 @@ static int mpeg_decode_slice(AVCodecContext *avctx,
s->qscale = get_qscale(s);
if(s->qscale == 0){
fprintf(stderr, "qscale == 0\n");
- return DECODE_SLICE_MB_ADDR_ERROR;
+ return -1;
}
/* extra slice info */
@@ -1870,7 +1870,7 @@ static int mpeg_decode_slice(AVCodecContext *avctx,
int code = get_vlc2(&s->gb, mbincr_vlc.table, MBINCR_VLC_BITS, 2);
if (code < 0){
fprintf(stderr, "first mb_incr damaged\n");
- return DECODE_SLICE_MB_ADDR_ERROR;
+ return -1;
}
if (code >= 33) {
if (code == 33) {
@@ -1901,7 +1901,9 @@ static int mpeg_decode_slice(AVCodecContext *avctx,
const int xy = s->mb_x*2 + 1 + (s->mb_y*2 +1)*wrap;
int motion_x, motion_y;
- if (s->mb_intra || s->mv_type == MV_TYPE_16X16) {
+ if (s->mb_intra) {
+ motion_x = motion_y = 0;
+ }else if (s->mv_type == MV_TYPE_16X16) {
motion_x = s->mv[0][0][0];
motion_y = s->mv[0][0][1];
} else /*if (s->mv_type == MV_TYPE_FIELD)*/ {
@@ -1963,20 +1965,26 @@ static int mpeg_decode_slice(AVCodecContext *avctx,
}
if(s->mb_y<<field_pic >= s->mb_height){
fprintf(stderr, "slice too long\n");
- return DECODE_SLICE_ERROR;
+ return -1;
}
}
-eos: //end of slice
+eos: // end of slice
+ *buf += get_bits_count(&s->gb)/8 - 1;
//printf("y %d %d %d %d\n", s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y);
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, AC_END|DC_END|MV_END);
+ return 0;
+}
- emms_c();
-
- *buf += get_bits_count(&s->gb)/8 - 1;
-
-//intf("%d %d %d %d\n", s->mb_y, s->mb_height, s->pict_type, s->picture_number);
+/**
+ * handles slice ends.
+ * @return 1 if it seems to be the last slice of
+ */
+static int slice_end(AVCodecContext *avctx, AVFrame *pict)
+{
+ Mpeg1Context *s1 = avctx->priv_data;
+ MpegEncContext *s = &s1->mpeg_enc_ctx;
+
/* end of slice reached */
- if (s->mb_y<<field_pic == s->mb_height && !s->first_field) {
+ if (/*s->mb_y<<field_pic == s->mb_height &&*/ !s->first_field) {
/* end of image */
if(s->mpeg2){
@@ -2000,9 +2008,9 @@ eos: //end of slice
ff_print_debug_info(s, s->last_picture_ptr);
}
}
- return DECODE_SLICE_EOP;
+ return 1;
} else {
- return DECODE_SLICE_OK;
+ return 0;
}
}
@@ -2234,7 +2242,10 @@ static int mpeg_decode_frame(AVCodecContext *avctx,
/* find start next code */
start_code = find_start_code(&buf_ptr, buf_end);
if (start_code < 0){
-// printf("missing end of picture\n");
+ if (slice_end(avctx, picture)) {
+ if(s2->last_picture_ptr) //FIXME merge with the stuff in mpeg_decode_slice
+ *data_size = sizeof(AVPicture);
+ }
return FFMAX(0, buf_ptr - buf - s2->parse_context.last_index);
}
@@ -2274,17 +2285,14 @@ static int mpeg_decode_frame(AVCodecContext *avctx,
ret = mpeg_decode_slice(avctx, picture,
start_code, &buf_ptr, input_size);
+ emms_c();
- if (ret == DECODE_SLICE_EOP) {
- if(s2->last_picture_ptr) //FIXME merge with the stuff in mpeg_decode_slice
- *data_size = sizeof(AVPicture);
- return FFMAX(0, buf_ptr - buf - s2->parse_context.last_index);
- }else if(ret < 0){
- if(ret == DECODE_SLICE_ERROR)
+ if(ret < 0){
+ if(s2->resync_mb_x>=0 && s2->resync_mb_y>=0)
ff_er_add_slice(s2, s2->resync_mb_x, s2->resync_mb_y, s2->mb_x, s2->mb_y, AC_ERROR|DC_ERROR|MV_ERROR);
-
- fprintf(stderr,"Error while decoding slice\n");
- if(ret==DECODE_SLICE_FATAL_ERROR) return -1;
+ if(ret==DECODE_SLICE_FATAL_ERROR) return -1;
+ }else{
+ ff_er_add_slice(s2, s2->resync_mb_x, s2->resync_mb_y, s2->mb_x-1, s2->mb_y, AC_END|DC_END|MV_END);
}
}
break;
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 47f6146f25..2cf986798b 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -1064,6 +1064,84 @@ void MPV_frame_end(MpegEncContext *s)
}
/**
+ * draws an line from (ex, ey) -> (sx, sy).
+ * @param w width of the image
+ * @param h height of the image
+ * @param stride stride/linesize of the image
+ * @param color color of the arrow
+ */
+static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h, int stride, int color){
+ int t, x, y, f;
+
+ sx= clip(sx, 0, w-1);
+ sy= clip(sy, 0, h-1);
+ ex= clip(ex, 0, w-1);
+ ey= clip(ey, 0, h-1);
+
+ buf[sy*stride + sx]+= color;
+
+ if(ABS(ex - sx) > ABS(ey - sy)){
+ if(sx > ex){
+ t=sx; sx=ex; ex=t;
+ t=sy; sy=ey; ey=t;
+ }
+ buf+= sx + sy*stride;
+ ex-= sx;
+ f= ((ey-sy)<<16)/ex;
+ for(x= 0; x <= ex; x++){
+ y= ((x*f) + (1<<15))>>16;
+ buf[y*stride + x]+= color;
+ }
+ }else{
+ if(sy > ey){
+ t=sx; sx=ex; ex=t;
+ t=sy; sy=ey; ey=t;
+ }
+ buf+= sx + sy*stride;
+ ey-= sy;
+ if(ey) f= ((ex-sx)<<16)/ey;
+ else f= 0;
+ for(y= 0; y <= ey; y++){
+ x= ((y*f) + (1<<15))>>16;
+ buf[y*stride + x]+= color;
+ }
+ }
+}
+
+/**
+ * draws an arrow from (ex, ey) -> (sx, sy).
+ * @param w width of the image
+ * @param h height of the image
+ * @param stride stride/linesize of the image
+ * @param color color of the arrow
+ */
+static void draw_arrow(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h, int stride, int color){
+ int dx,dy;
+
+ sx= clip(sx, -100, w+100);
+ sy= clip(sy, -100, h+100);
+ ex= clip(ex, -100, w+100);
+ ey= clip(ey, -100, h+100);
+
+ dx= ex - sx;
+ dy= ey - sy;
+
+ if(dx*dx + dy*dy > 3*3){
+ int rx= dx + dy;
+ int ry= -dx + dy;
+ int length= ff_sqrt((rx*rx + ry*ry)<<8);
+
+ //FIXME subpixel accuracy
+ rx= ROUNDED_DIV(rx*3<<4, length);
+ ry= ROUNDED_DIV(ry*3<<4, length);
+
+ draw_line(buf, sx, sy, sx + rx, sy + ry, w, h, stride, color);
+ draw_line(buf, sx, sy, sx - ry, sy + rx, w, h, stride, color);
+ }
+ draw_line(buf, sx, sy, ex, ey, w, h, stride, color);
+}
+
+/**
* prints debuging info for the given picture.
*/
void ff_print_debug_info(MpegEncContext *s, Picture *pict){
@@ -1137,6 +1215,39 @@ void ff_print_debug_info(MpegEncContext *s, Picture *pict){
printf("\n");
}
}
+
+ if((s->avctx->debug&FF_DEBUG_VIS_MV) && s->motion_val){
+ const int shift= 1 + s->quarter_sample;
+ int mb_y;
+ uint8_t *ptr= pict->data[0];
+ s->low_delay=0; //needed to see the vectors without trashing the buffers
+
+ for(mb_y=0; mb_y<s->mb_height; mb_y++){
+ int mb_x;
+ for(mb_x=0; mb_x<s->mb_width; mb_x++){
+ const int mb_index= mb_x + mb_y*s->mb_stride;
+ if(IS_8X8(s->current_picture.mb_type[mb_index])){
+ int i;
+ for(i=0; i<4; i++){
+ int sx= mb_x*16 + 4 + 8*(i&1);
+ int sy= mb_y*16 + 4 + 8*(i>>1);
+ int xy= 1 + mb_x*2 + (i&1) + (mb_y*2 + 1 + (i>>1))*(s->mb_width*2 + 2);
+ int mx= (s->motion_val[xy][0]>>shift) + sx;
+ int my= (s->motion_val[xy][1]>>shift) + sy;
+ draw_arrow(ptr, sx, sy, mx, my, s->width, s->height, s->linesize, 100);
+ }
+ }else{
+ int sx= mb_x*16 + 8;
+ int sy= mb_y*16 + 8;
+ int xy= 1 + mb_x*2 + (mb_y*2 + 1)*(s->mb_width*2 + 2);
+ int mx= (s->motion_val[xy][0]>>shift) + sx;
+ int my= (s->motion_val[xy][1]>>shift) + sy;
+ draw_arrow(ptr, sx, sy, mx, my, s->width, s->height, s->linesize, 100);
+ }
+ s->mbskip_table[mb_index]=0;
+ }
+ }
+ }
}
#ifdef CONFIG_ENCODERS
diff --git a/tests/ffmpeg.regression.ref b/tests/ffmpeg.regression.ref
index a9406b6aa0..752757323f 100644
--- a/tests/ffmpeg.regression.ref
+++ b/tests/ffmpeg.regression.ref
@@ -33,8 +33,8 @@ stddev: 10.53 bytes:7145472
b54262af56f6681186fa2c44e4ef6ec7 *./data/out.yuv
stddev: 7.32 bytes:7602176
a38cb11e3035a280f3dad3ccdff5997b *./data/a-mpeg1b.mpg
-da8e21c7b78b7a25558dc319524b91d8 *./data/out.yuv
-stddev: 6.32 bytes:6842368
+bd047a4567c366566da96874d176199d *./data/out.yuv
+stddev: 6.35 bytes:6993920
07042f42b3119c39eb26537a84a451df *./data/a-mjpeg.avi
f23a9e50a559e174766ee808c48fea22 *./data/out.yuv
stddev: 8.87 bytes:7602176
diff --git a/tests/rotozoom.regression.ref b/tests/rotozoom.regression.ref
index 67130296fa..eb13a05bdc 100644
--- a/tests/rotozoom.regression.ref
+++ b/tests/rotozoom.regression.ref
@@ -33,8 +33,8 @@ aeb300900461bdf9e0321934aa6dcc93 *./data/a-mpeg4-adv.avi
e465df12f2c8a6492a6ec0b1bddc1d0d *./data/out.yuv
stddev: 4.97 bytes:7602176
2ec827a941ee8e82911280405987f8ef *./data/a-mpeg1b.mpg
-145c3741d70bc40d5c93de709aca70ee *./data/out.yuv
-stddev: 4.12 bytes:6842368
+2935a090a88c74ccb220c18c1399cea7 *./data/out.yuv
+stddev: 4.69 bytes:6993920
e9218a1db885fe0262e88f9df630307d *./data/a-mjpeg.avi
a365b4da246ad68caf96b702b7f961a1 *./data/out.yuv
stddev: 4.76 bytes:7602176
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-08 13:05:21 +0000