mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
use intreadwrite functions in matroskadec
based on a patch by Ronald S. Bultje rsbultje gmail com Originally committed as revision 9396 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
parent
6bca498d78
commit
2ce746c66a
@ -860,8 +860,7 @@ matroska_probe (AVProbeData *p)
|
||||
uint8_t probe_data[] = { 'm', 'a', 't', 'r', 'o', 's', 'k', 'a' };
|
||||
|
||||
/* ebml header? */
|
||||
if ((p->buf[0] << 24 | p->buf[1] << 16 |
|
||||
p->buf[2] << 8 | p->buf[3]) != EBML_ID_HEADER)
|
||||
if (AV_RB32(p->buf) != EBML_ID_HEADER)
|
||||
return 0;
|
||||
|
||||
/* length of header */
|
||||
@ -2044,13 +2043,11 @@ matroska_read_header (AVFormatContext *s,
|
||||
MATROSKA_CODEC_ID_VIDEO_VFW_FOURCC) &&
|
||||
(track->codec_priv_size >= 40) &&
|
||||
(track->codec_priv != NULL)) {
|
||||
unsigned char *p;
|
||||
MatroskaVideoTrack *vtrack = (MatroskaVideoTrack *) track;
|
||||
|
||||
/* Offset of biCompression. Stored in LE. */
|
||||
p = (unsigned char *)track->codec_priv + 16;
|
||||
((MatroskaVideoTrack *)track)->fourcc = (p[3] << 24) |
|
||||
(p[2] << 16) | (p[1] << 8) | p[0];
|
||||
codec_id = codec_get_id(codec_bmp_tags, ((MatroskaVideoTrack *)track)->fourcc);
|
||||
vtrack->fourcc = AV_RL32(track->codec_priv + 16);
|
||||
codec_id = codec_get_id(codec_bmp_tags, vtrack->fourcc);
|
||||
|
||||
}
|
||||
|
||||
@ -2060,12 +2057,10 @@ matroska_read_header (AVFormatContext *s,
|
||||
MATROSKA_CODEC_ID_AUDIO_ACM) &&
|
||||
(track->codec_priv_size >= 18) &&
|
||||
(track->codec_priv != NULL)) {
|
||||
unsigned char *p;
|
||||
uint16_t tag;
|
||||
|
||||
/* Offset of wFormatTag. Stored in LE. */
|
||||
p = (unsigned char *)track->codec_priv;
|
||||
tag = (p[1] << 8) | p[0];
|
||||
tag = AV_RL16(track->codec_priv);
|
||||
codec_id = codec_get_id(codec_wav_tags, tag);
|
||||
|
||||
}
|
||||
@ -2274,7 +2269,7 @@ matroska_parse_block(MatroskaDemuxContext *matroska, uint8_t *data, int size,
|
||||
duration = matroska->tracks[track]->default_duration;
|
||||
|
||||
/* block_time (relative to cluster time) */
|
||||
block_time = (data[0] << 8) | data[1];
|
||||
block_time = AV_RB16(data);
|
||||
data += 2;
|
||||
size -= 2;
|
||||
flags = *data;
|
||||
|
Loading…
Reference in New Issue
Block a user