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-rw-r--r--libavcodec/mpegvideo.h2
-rw-r--r--libavcodec/mpegvideo_enc.c7
-rw-r--r--libavcodec/rv10enc.c8
3 files changed, 13 insertions, 4 deletions
diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h
index e3890381f8..a412ec7a0c 100644
--- a/libavcodec/mpegvideo.h
+++ b/libavcodec/mpegvideo.h
@@ -840,7 +840,7 @@ extern const uint8_t ff_aic_dc_scale_table[32];
extern const uint8_t ff_h263_chroma_qscale_table[32];
/* rv10.c */
-void ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number);
+int ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number);
int ff_rv_decode_dc(MpegEncContext *s, int n);
void ff_rv20_encode_picture_header(MpegEncContext *s, int picture_number);
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 9e155b0c42..38c42fe192 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -3441,8 +3441,11 @@ static int encode_picture(MpegEncContext *s, int picture_number)
ff_msmpeg4_encode_picture_header(s, picture_number);
else if (CONFIG_MPEG4_ENCODER && s->h263_pred)
ff_mpeg4_encode_picture_header(s, picture_number);
- else if (CONFIG_RV10_ENCODER && s->codec_id == AV_CODEC_ID_RV10)
- ff_rv10_encode_picture_header(s, picture_number);
+ else if (CONFIG_RV10_ENCODER && s->codec_id == AV_CODEC_ID_RV10) {
+ ret = ff_rv10_encode_picture_header(s, picture_number);
+ if (ret < 0)
+ return ret;
+ }
else if (CONFIG_RV20_ENCODER && s->codec_id == AV_CODEC_ID_RV20)
ff_rv20_encode_picture_header(s, picture_number);
else if (CONFIG_FLV_ENCODER && s->codec_id == AV_CODEC_ID_FLV1)
diff --git a/libavcodec/rv10enc.c b/libavcodec/rv10enc.c
index ca760524a8..2eca9c3c88 100644
--- a/libavcodec/rv10enc.c
+++ b/libavcodec/rv10enc.c
@@ -28,7 +28,7 @@
#include "mpegvideo.h"
#include "put_bits.h"
-void ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number)
+int ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number)
{
int full_frame= 0;
@@ -48,12 +48,18 @@ void ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number)
/* if multiple packets per frame are sent, the position at which
to display the macroblocks is coded here */
if(!full_frame){
+ if (s->mb_width * s->mb_height >= (1U << 12)) {
+ avpriv_report_missing_feature(s->avctx, "Encoding frames with %d (>= 4096) macroblocks",
+ s->mb_width * s->mb_height);
+ return AVERROR(ENOSYS);
+ }
put_bits(&s->pb, 6, 0); /* mb_x */
put_bits(&s->pb, 6, 0); /* mb_y */
put_bits(&s->pb, 12, s->mb_width * s->mb_height);
}
put_bits(&s->pb, 3, 0); /* ignored */
+ return 0;
}
FF_MPV_GENERIC_CLASS(rv10)