} SeqDemuxContext;
-static int seq_probe(AVProbeData *p)
+static int seq_probe(const AVProbeData *p)
{
int i;
return 0;
}
+static int seq_read_close(AVFormatContext *s)
+{
+ int i;
+ SeqDemuxContext *seq = s->priv_data;
+
+ for (i = 0; i < SEQ_NUM_FRAME_BUFFERS; i++)
+ av_freep(&seq->frame_buffers[i].data);
+
+ return 0;
+}
+
static int seq_read_header(AVFormatContext *s)
{
int i, rc;
/* init internal buffers */
rc = seq_init_frame_buffers(seq, pb);
- if (rc)
+ if (rc) {
+ seq_read_close(s);
return rc;
+ }
seq->current_frame_offs = 0;
/* preload (no audio data, just buffer operations related data) */
for (i = 1; i <= 100; i++) {
rc = seq_parse_frame_data(seq, pb);
- if (rc)
+ if (rc) {
+ seq_read_close(s);
return rc;
+ }
}
seq->current_frame_pts = 0;
/* initialize the video decoder stream */
st = avformat_new_stream(s, NULL);
- if (!st)
+ if (!st) {
+ seq_read_close(s);
return AVERROR(ENOMEM);
+ }
avpriv_set_pts_info(st, 32, 1, SEQ_FRAME_RATE);
seq->video_stream_index = st->index;
/* initialize the audio decoder stream */
st = avformat_new_stream(s, NULL);
- if (!st)
+ if (!st) {
+ seq_read_close(s);
return AVERROR(ENOMEM);
+ }
st->start_time = 0;
avpriv_set_pts_info(st, 32, 1, SEQ_SAMPLE_RATE);
/* video packet */
if (seq->current_pal_data_size + seq->current_video_data_size != 0) {
- if (av_new_packet(pkt, 1 + seq->current_pal_data_size + seq->current_video_data_size))
- return AVERROR(ENOMEM);
+ rc = av_new_packet(pkt, 1 + seq->current_pal_data_size
+ + seq->current_video_data_size);
+ if (rc < 0)
+ return rc;
pkt->data[0] = 0;
if (seq->current_pal_data_size) {
return 0;
}
-static int seq_read_close(AVFormatContext *s)
-{
- int i;
- SeqDemuxContext *seq = s->priv_data;
-
- for (i = 0; i < SEQ_NUM_FRAME_BUFFERS; i++)
- av_freep(&seq->frame_buffers[i].data);
-
- return 0;
-}
-
-AVInputFormat ff_tiertexseq_demuxer = {
+const AVInputFormat ff_tiertexseq_demuxer = {
.name = "tiertexseq",
.long_name = NULL_IF_CONFIG_SMALL("Tiertex Limited SEQ"),
.priv_data_size = sizeof(SeqDemuxContext),