diff options
Diffstat (limited to 'libavcodec/nuv.c')
| -rw-r--r-- | libavcodec/nuv.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/libavcodec/nuv.c b/libavcodec/nuv.c index f7d348a486..bba4df39fc 100644 --- a/libavcodec/nuv.c +++ b/libavcodec/nuv.c @@ -149,7 +149,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVFrame *picture = data; int orig_size = buf_size; int keyframe; - int result; + int result, init_frame = !avctx->frame_number; enum { NUV_UNCOMPRESSED = '0', NUV_RTJPEG = '1', @@ -221,8 +221,10 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, buf_size -= RTJPEG_HEADER_SIZE; } - if (keyframe && c->pic.data[0]) + if (keyframe && c->pic.data[0]) { avctx->release_buffer(avctx, &c->pic); + init_frame = 1; + } c->pic.reference = 3; c->pic.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_READABLE | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE; @@ -231,6 +233,11 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); return result; } + if (init_frame) { + memset(c->pic.data[0], 0, avctx->height * c->pic.linesize[0]); + memset(c->pic.data[1], 0x80, avctx->height * c->pic.linesize[1] / 2); + memset(c->pic.data[2], 0x80, avctx->height * c->pic.linesize[2] / 2); + } c->pic.pict_type = keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P; c->pic.key_frame = keyframe; |