return AVPROBE_SCORE_MAX / 4;
}
-static int seq_init_frame_buffers(SeqDemuxContext *seq, ByteIOContext *pb)
+static int seq_init_frame_buffers(SeqDemuxContext *seq, AVIOContext *pb)
{
int i, sz;
TiertexSeqFrameBuffer *seq_buffer;
- url_fseek(pb, 256, SEEK_SET);
+ avio_seek(pb, 256, SEEK_SET);
for (i = 0; i < SEQ_NUM_FRAME_BUFFERS; i++) {
- sz = get_le16(pb);
+ sz = avio_rl16(pb);
if (sz == 0)
break;
else {
return 0;
}
-static int seq_fill_buffer(SeqDemuxContext *seq, ByteIOContext *pb, int buffer_num, unsigned int data_offs, int data_size)
+static int seq_fill_buffer(SeqDemuxContext *seq, AVIOContext *pb, int buffer_num, unsigned int data_offs, int data_size)
{
TiertexSeqFrameBuffer *seq_buffer;
if (seq_buffer->fill_size + data_size > seq_buffer->data_size || data_size <= 0)
return AVERROR_INVALIDDATA;
- url_fseek(pb, seq->current_frame_offs + data_offs, SEEK_SET);
- if (get_buffer(pb, seq_buffer->data + seq_buffer->fill_size, data_size) != data_size)
+ avio_seek(pb, seq->current_frame_offs + data_offs, SEEK_SET);
+ if (avio_read(pb, seq_buffer->data + seq_buffer->fill_size, data_size) != data_size)
return AVERROR(EIO);
seq_buffer->fill_size += data_size;
return 0;
}
-static int seq_parse_frame_data(SeqDemuxContext *seq, ByteIOContext *pb)
+static int seq_parse_frame_data(SeqDemuxContext *seq, AVIOContext *pb)
{
unsigned int offset_table[4], buffer_num[4];
TiertexSeqFrameBuffer *seq_buffer;
int i, e, err;
seq->current_frame_offs += SEQ_FRAME_SIZE;
- url_fseek(pb, seq->current_frame_offs, SEEK_SET);
+ avio_seek(pb, seq->current_frame_offs, SEEK_SET);
/* sound data */
- seq->current_audio_data_offs = get_le16(pb);
+ seq->current_audio_data_offs = avio_rl16(pb);
if (seq->current_audio_data_offs) {
seq->current_audio_data_size = SEQ_AUDIO_BUFFER_SIZE * 2;
} else {
}
/* palette data */
- seq->current_pal_data_offs = get_le16(pb);
+ seq->current_pal_data_offs = avio_rl16(pb);
if (seq->current_pal_data_offs) {
seq->current_pal_data_size = 768;
} else {
/* video data */
for (i = 0; i < 4; i++)
- buffer_num[i] = get_byte(pb);
+ buffer_num[i] = avio_r8(pb);
for (i = 0; i < 4; i++)
- offset_table[i] = get_le16(pb);
+ offset_table[i] = avio_rl16(pb);
for (i = 0; i < 3; i++) {
if (offset_table[i]) {
{
int i, rc;
SeqDemuxContext *seq = s->priv_data;
- ByteIOContext *pb = s->pb;
+ AVIOContext *pb = s->pb;
AVStream *st;
/* init internal buffers */
{
int rc;
SeqDemuxContext *seq = s->priv_data;
- ByteIOContext *pb = s->pb;
+ AVIOContext *pb = s->pb;
if (!seq->audio_buffer_full) {
rc = seq_parse_frame_data(seq, pb);
pkt->data[0] = 0;
if (seq->current_pal_data_size) {
pkt->data[0] |= 1;
- url_fseek(pb, seq->current_frame_offs + seq->current_pal_data_offs, SEEK_SET);
- if (get_buffer(pb, &pkt->data[1], seq->current_pal_data_size) != seq->current_pal_data_size)
+ avio_seek(pb, seq->current_frame_offs + seq->current_pal_data_offs, SEEK_SET);
+ if (avio_read(pb, &pkt->data[1], seq->current_pal_data_size) != seq->current_pal_data_size)
return AVERROR(EIO);
}
if (seq->current_video_data_size) {
if (seq->current_audio_data_offs == 0) /* end of data reached */
return AVERROR(EIO);
- url_fseek(pb, seq->current_frame_offs + seq->current_audio_data_offs, SEEK_SET);
+ avio_seek(pb, seq->current_frame_offs + seq->current_audio_data_offs, SEEK_SET);
rc = av_get_packet(pb, pkt, seq->current_audio_data_size);
if (rc < 0)
return rc;
}
AVInputFormat ff_tiertexseq_demuxer = {
- "tiertexseq",
- NULL_IF_CONFIG_SMALL("Tiertex Limited SEQ format"),
- sizeof(SeqDemuxContext),
- seq_probe,
- seq_read_header,
- seq_read_packet,
- seq_read_close,
+ .name = "tiertexseq",
+ .long_name = NULL_IF_CONFIG_SMALL("Tiertex Limited SEQ format"),
+ .priv_data_size = sizeof(SeqDemuxContext),
+ .read_probe = seq_probe,
+ .read_header = seq_read_header,
+ .read_packet = seq_read_packet,
+ .read_close = seq_read_close,
};