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fix useless framerate messup 

Originally committed as revision 4167 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2005-04-26 21:46:46 +00:00
parent eb1bde3e10
commit c8389233cb
1 changed files with 16 additions and 15 deletions
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31
libavformat/nsvdec.c
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@ -205,13 +205,13 @@ static const CodecTag nsv_codec_audio_tags[] = {
{ 0, 0 },
};
static const uint64_t nsv_framerate_table[] = {
((uint64_t)AV_TIME_BASE * 30),
((uint64_t)AV_TIME_BASE * 30000 / 1001), /* 29.97 */
((uint64_t)AV_TIME_BASE * 25),
((uint64_t)AV_TIME_BASE * 24000 / 1001), /* 23.98 */
((uint64_t)AV_TIME_BASE * 30), /* ?? */
((uint64_t)AV_TIME_BASE * 15000 / 1001), /* 14.98 */
static const AVRational nsv_framerate_table[] = {
{30,1},
{30000,1001},
{25,1},
{24000,1001},
{30,1},
{15000,1001},
};
//static int nsv_load_index(AVFormatContext *s);
@ -401,7 +401,8 @@ static int nsv_parse_NSVs_header(AVFormatContext *s, AVFormatParameters *ap)
ByteIOContext *pb = &s->pb;
uint32_t vtag, atag;
uint16_t vwidth, vheight;
uint32_t framerate;
AVRational framerate;
int i;
uint16_t unknown;
AVStream *st;
NSVStream *nst;
@ -411,17 +412,17 @@ static int nsv_parse_NSVs_header(AVFormatContext *s, AVFormatParameters *ap)
atag = get_le32(pb);
vwidth = get_le16(pb);
vheight = get_le16(pb);
framerate = (uint8_t)get_byte(pb);
i = get_byte(pb);
/* XXX how big must the table be ? */
/* seems there is more to that... */
PRINT(("NSV NSVs framerate code %2x\n", framerate));
framerate = (framerate & 0x80)?(nsv_framerate_table[framerate & 0x7F]):(framerate*AV_TIME_BASE);
PRINT(("NSV NSVs framerate code %2x\n", i));
if(i&0x80) framerate= nsv_framerate_table[i & 0x7F];
else framerate= (AVRational){i, 1};
unknown = get_le16(pb);
#ifdef DEBUG
print_tag("NSV NSVs vtag", vtag, 0);
print_tag("NSV NSVs atag", atag, 0);
PRINT(("NSV NSVs vsize %dx%d\n", vwidth, vheight));
PRINT(("NSV NSVs framerate %2x\n", framerate));
#endif
/* XXX change to ap != NULL ? */
@ -446,9 +447,9 @@ static int nsv_parse_NSVs_header(AVFormatContext *s, AVFormatParameters *ap)
st->codec.height = vheight;
st->codec.bits_per_sample = 24; /* depth XXX */
st->codec.frame_rate = framerate;
st->codec.frame_rate_base = AV_TIME_BASE;
av_set_pts_info(st, 64, AV_TIME_BASE, framerate);
av_set_pts_info(st, 64, framerate.den, framerate.num);
st->codec.frame_rate = framerate.num;
st->codec.frame_rate_base = framerate.den;
st->start_time = 0;
st->duration = nsv->duration;
}