#include "internal.h"
#include "ffm.h"
#include "avio_internal.h"
-#if CONFIG_FFSERVER
-#include <unistd.h>
-
-int64_t ffm_read_write_index(int fd)
-{
- uint8_t buf[8];
-
- lseek(fd, 8, SEEK_SET);
- if (read(fd, buf, 8) != 8)
- return AVERROR(EIO);
- return AV_RB64(buf);
-}
-
-int ffm_write_write_index(int fd, int64_t pos)
-{
- uint8_t buf[8];
- int i;
-
- for(i=0;i<8;i++)
- buf[i] = (pos >> (56 - i * 8)) & 0xff;
- lseek(fd, 8, SEEK_SET);
- if (write(fd, buf, 8) != 8)
- return AVERROR(EIO);
- return 8;
-}
-
-void ffm_set_write_index(AVFormatContext *s, int64_t pos, int64_t file_size)
-{
- FFMContext *ffm = s->priv_data;
- ffm->write_index = pos;
- ffm->file_size = file_size;
-}
-#endif // CONFIG_FFSERVER
static int ffm_is_avail_data(AVFormatContext *s, int size)
{
if (ffm->first_packet || (frame_offset & 0x8000)) {
if (!frame_offset) {
/* This packet has no frame headers in it */
- if (avio_tell(pb) >= ffm->packet_size * 3) {
- avio_seek(pb, -ffm->packet_size * 2, SEEK_CUR);
+ if (avio_tell(pb) >= ffm->packet_size * 3LL) {
+ avio_seek(pb, -ffm->packet_size * 2LL, SEEK_CUR);
goto retry_read;
}
/* This is bad, we cannot find a valid frame header */
codec->sample_rate = avio_rb32(pb);
codec->channels = avio_rl16(pb);
codec->frame_size = avio_rl16(pb);
- codec->sample_fmt = (int16_t) avio_rl16(pb);
break;
default:
goto fail;
duration = AV_RB24(ffm->header + 5);
- av_new_packet(pkt, size);
+ if (av_new_packet(pkt, size) < 0) {
+ return AVERROR(ENOMEM);
+ }
pkt->stream_index = ffm->header[0];
if ((unsigned)pkt->stream_index >= s->nb_streams) {
av_log(s, AV_LOG_ERROR, "invalid stream index %d\n", pkt->stream_index);
while (pos_min <= pos_max) {
pts_min = get_dts(s, pos_min);
pts_max = get_dts(s, pos_max);
- if (pts_min > wanted_pts || pts_max < wanted_pts) {
+ if (pts_min > wanted_pts || pts_max <= wanted_pts) {
pos = pts_min > wanted_pts ? pos_min : pos_max;
goto found;
}