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Remove the frame rate from struct video_data, and allow using a variable

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frame rate for video4linux2 input

Originally committed as revision 16464 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Luca Abeni 2009-01-07 13:34:29 +00:00
parent b6e736a131
commit e7b987dc2f
1 changed files with 3 additions and 13 deletions
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16
libavdevice/v4l2.c
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@ -57,8 +57,6 @@ struct video_data {
int frame_format; /* V4L2_PIX_FMT_* */
enum io_method io_method;
int width, height;
int frame_rate;
int frame_rate_base;
int frame_size;
int top_field_first;
@ -509,22 +507,16 @@ static int v4l2_read_header(AVFormatContext *s1, AVFormatParameters *ap)
struct video_data *s = s1->priv_data;
AVStream *st;
int width, height;
int res, frame_rate, frame_rate_base;
int res;
uint32_t desired_format, capabilities;
if (ap->width <= 0 || ap->height <= 0) {
av_log(s1, AV_LOG_ERROR, "Wrong size (%dx%d)\n", ap->width, ap->height);
return -1;
}
if (ap->time_base.den <= 0) {
av_log(s1, AV_LOG_ERROR, "Wrong time base (%d)\n", ap->time_base.den);
return -1;
}
width = ap->width;
height = ap->height;
frame_rate = ap->time_base.den;
frame_rate_base = ap->time_base.num;
if(avcodec_check_dimensions(s1, ap->width, ap->height) < 0)
return -1;
@ -537,8 +529,6 @@ static int v4l2_read_header(AVFormatContext *s1, AVFormatParameters *ap)
s->width = width;
s->height = height;
s->frame_rate = frame_rate;
s->frame_rate_base = frame_rate_base;
capabilities = 0;
s->fd = device_open(s1, &capabilities);
@ -599,8 +589,8 @@ static int v4l2_read_header(AVFormatContext *s1, AVFormatParameters *ap)
st->codec->codec_id = CODEC_ID_RAWVIDEO;
st->codec->width = width;
st->codec->height = height;
st->codec->time_base.den = frame_rate;
st->codec->time_base.num = frame_rate_base;
st->codec->time_base.den = ap->time_base.den;
st->codec->time_base.num = ap->time_base.num;
st->codec->bit_rate = s->frame_size * 1/av_q2d(st->codec->time_base) * 8;
return 0;