d = p->buf;
if (d[0] == 'w' && d[1] == 'W' && d[2] == 0x10 && d[3] == 0)
- return 50;
+ /* Ensure the buffer probe scores higher than the extension probe.
+ * This avoids problems with misdetection as AviSynth scripts. */
+ return AVPROBE_SCORE_EXTENSION + 1;
return 0;
}
-static int avs_read_header(AVFormatContext * s, AVFormatParameters * ap)
+static int avs_read_header(AVFormatContext * s)
{
AvsFormat *avs = s->priv_data;
int ret, size;
size = avio_tell(s->pb);
- ret = voc_get_packet(s, pkt, avs->st_audio, avs->remaining_audio_size);
+ ret = ff_voc_get_packet(s, pkt, avs->st_audio, avs->remaining_audio_size);
size = avio_tell(s->pb) - size;
avs->remaining_audio_size -= size;
sub_type = avio_r8(s->pb);
type = avio_r8(s->pb);
size = avio_rl16(s->pb);
+ if (size < 4)
+ return AVERROR_INVALIDDATA;
avs->remaining_frame_size -= size;
switch (type) {
case AVS_PALETTE:
+ if (size - 4 > sizeof(palette))
+ return AVERROR_INVALIDDATA;
ret = avio_read(s->pb, palette, size - 4);
if (ret < size - 4)
return AVERROR(EIO);
case AVS_VIDEO:
if (!avs->st_video) {
- avs->st_video = av_new_stream(s, AVS_VIDEO);
+ avs->st_video = avformat_new_stream(s, NULL);
if (avs->st_video == NULL)
return AVERROR(ENOMEM);
avs->st_video->codec->codec_type = AVMEDIA_TYPE_VIDEO;
- avs->st_video->codec->codec_id = CODEC_ID_AVS;
+ avs->st_video->codec->codec_id = AV_CODEC_ID_AVS;
avs->st_video->codec->width = avs->width;
avs->st_video->codec->height = avs->height;
avs->st_video->codec->bits_per_coded_sample=avs->bits_per_sample;
avs->st_video->nb_frames = avs->nb_frames;
- avs->st_video->codec->time_base = (AVRational) {
- 1, avs->fps};
+ avs->st_video->avg_frame_rate = (AVRational){avs->fps, 1};
}
return avs_read_video_packet(s, pkt, type, sub_type, size,
palette, palette_size);
case AVS_AUDIO:
if (!avs->st_audio) {
- avs->st_audio = av_new_stream(s, AVS_AUDIO);
+ avs->st_audio = avformat_new_stream(s, NULL);
if (avs->st_audio == NULL)
return AVERROR(ENOMEM);
avs->st_audio->codec->codec_type = AVMEDIA_TYPE_AUDIO;
AVInputFormat ff_avs_demuxer = {
.name = "avs",
- .long_name = NULL_IF_CONFIG_SMALL("AVS format"),
+ .long_name = NULL_IF_CONFIG_SMALL("AVS"),
.priv_data_size = sizeof(AvsFormat),
.read_probe = avs_probe,
.read_header = avs_read_header,