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Export the presentation video dimensions as avctx->width/avctx->height. 

Originally committed as revision 24858 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2010-08-21 11:52:03 +00:00
parent bf23eaf663
commit a29b1700ee
1 changed files with 9 additions and 8 deletions
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17
libavcodec/pgssubdec.c
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@ -28,6 +28,7 @@
#include "dsputil.h"
#include "bytestream.h"
#include "libavutil/colorspace.h"
#include "libavcore/imgutils.h"
//#define DEBUG_PACKET_CONTENTS
@ -44,8 +45,6 @@ enum SegmentType {
typedef struct PGSSubPresentation {
int x;
int y;
int video_w;
int video_h;
int id_number;
} PGSSubPresentation;
@ -186,7 +185,7 @@ static int parse_picture_segment(AVCodecContext *avctx,
height = bytestream_get_be16(&buf);
/* Make sure the bitmap is not too large */
if (ctx->presentation.video_w < width || ctx->presentation.video_h < height) {
if (avctx->width < width || avctx->height < height) {
av_log(avctx, AV_LOG_ERROR, "Bitmap dimensions larger then video.\n");
return -1;
}
@ -266,11 +265,13 @@ static void parse_presentation_segment(AVCodecContext *avctx,
int x, y;
uint8_t block;
ctx->presentation.video_w = bytestream_get_be16(&buf);
ctx->presentation.video_h = bytestream_get_be16(&buf);
int w = bytestream_get_be16(&buf);
int h = bytestream_get_be16(&buf);
dprintf(avctx, "Video Dimensions %dx%d\n",
ctx->presentation.video_w, ctx->presentation.video_h);
w, h);
if (av_check_image_size(w, h, 0, avctx) >= 0)
avcodec_set_dimensions(avctx, w, h);
/* Skip 1 bytes of unknown, frame rate? */
buf++;
@ -298,9 +299,9 @@ static void parse_presentation_segment(AVCodecContext *avctx,
dprintf(avctx, "Subtitle Placement x=%d, y=%d\n", x, y);
if (x > ctx->presentation.video_w || y > ctx->presentation.video_h) {
if (x > avctx->width || y > avctx->height) {
av_log(avctx, AV_LOG_ERROR, "Subtitle out of video bounds. x = %d, y = %d, video width = %d, video height = %d.\n",
x, y, ctx->presentation.video_w, ctx->presentation.video_h);
x, y, avctx->width, avctx->height);
x = 0; y = 0;
}