mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-25 08:42:39 +00:00
parent
e6923e06c2
commit
5f8c113b75
@ -46,11 +46,16 @@ static void reset_index_position(int64_t metadata_head_size, AVStream *st)
|
||||
sti->index_entries[i].pos += metadata_head_size;
|
||||
}
|
||||
|
||||
static const uint16_t sr_table[16] = {
|
||||
0, 1764, 3528, 3840, 160, 320, 441, 480, 640, 882, 960, 1920, 0, 0, 0, 0
|
||||
};
|
||||
|
||||
static int flac_read_header(AVFormatContext *s)
|
||||
{
|
||||
int ret, metadata_last=0, metadata_type, metadata_size, found_streaminfo=0;
|
||||
uint8_t header[4];
|
||||
uint8_t *buffer=NULL;
|
||||
uint32_t marker;
|
||||
FLACDecContext *flac = s->priv_data;
|
||||
AVStream *st = avformat_new_stream(s, NULL);
|
||||
if (!st)
|
||||
@ -61,7 +66,11 @@ static int flac_read_header(AVFormatContext *s)
|
||||
/* the parameters will be extracted from the compressed bitstream */
|
||||
|
||||
/* if fLaC marker is not found, assume there is no header */
|
||||
if (avio_rl32(s->pb) != MKTAG('f','L','a','C')) {
|
||||
marker = avio_rl32(s->pb);
|
||||
if (marker != MKTAG('f','L','a','C')) {
|
||||
const int sample_rate = 50 * sr_table[(marker >> 16) & 0xF];
|
||||
if (sample_rate)
|
||||
avpriv_set_pts_info(st, 64, 1, sample_rate);
|
||||
avio_seek(s->pb, -4, SEEK_CUR);
|
||||
return 0;
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user