diff options
Diffstat (limited to 'libavformat/yuv4mpeg.c')
| -rw-r--r-- | libavformat/yuv4mpeg.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libavformat/yuv4mpeg.c b/libavformat/yuv4mpeg.c index a852568a64..90b222d1d4 100644 --- a/libavformat/yuv4mpeg.c +++ b/libavformat/yuv4mpeg.c @@ -94,7 +94,7 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt) AVPicture *picture; int* first_pkt = s->priv_data; int width, height, h_chroma_shift, v_chroma_shift; - int i, m; + int i; char buf2[Y4M_LINE_MAX+1]; char buf1[20]; uint8_t *ptr, *ptr1, *ptr2; @@ -114,7 +114,7 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt) /* construct frame header */ - m = snprintf(buf1, sizeof(buf1), "%s\n", Y4M_FRAME_MAGIC); + snprintf(buf1, sizeof(buf1), "%s\n", Y4M_FRAME_MAGIC); avio_write(pb, buf1, strlen(buf1)); width = st->codec->width; @@ -154,6 +154,12 @@ static int yuv4_write_header(AVFormatContext *s) if (s->nb_streams != 1) return AVERROR(EIO); + if (s->streams[0]->codec->codec_id != CODEC_ID_RAWVIDEO) { + av_log(s, AV_LOG_ERROR, + "A non-rawvideo stream was selected, but yuv4mpeg only handles rawvideo streams\n"); + return AVERROR(EINVAL); + } + if (s->streams[0]->codec->pix_fmt == PIX_FMT_YUV411P) { av_log(s, AV_LOG_ERROR, "Warning: generating rarely used 4:1:1 YUV stream, some mjpegtools might not work.\n"); } |