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tty: make use of AV_OPT_TYPE_VIDEO_RATE

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-04-05 14:24:40 +00:00
parent 29a4221ad3
commit 20343219d2
1 changed files with 4 additions and 9 deletions
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13
libavformat/tty.c
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@ -39,7 +39,7 @@ typedef struct {
int chars_per_frame;
uint64_t fsize; /**< file size less metadata buffer */
char *video_size;/**< A string describing video size, set by a private option. */
char *framerate; /**< Set by a private option. */
AVRational framerate; /**< Set by a private option. */
} TtyDemuxContext;
/**
@ -77,7 +77,6 @@ static int read_header(AVFormatContext *avctx)
TtyDemuxContext *s = avctx->priv_data;
int width = 0, height = 0, ret = 0;
AVStream *st = avformat_new_stream(avctx, NULL);
AVRational framerate;
if (!st) {
ret = AVERROR(ENOMEM);
@ -91,14 +90,10 @@ static int read_header(AVFormatContext *avctx)
av_log (avctx, AV_LOG_ERROR, "Couldn't parse video size.\n");
goto fail;
}
if ((ret = av_parse_video_rate(&framerate, s->framerate)) < 0) {
av_log(avctx, AV_LOG_ERROR, "Could not parse framerate: %s.\n", s->framerate);
goto fail;
}
st->codec->width = width;
st->codec->height = height;
avpriv_set_pts_info(st, 60, framerate.den, framerate.num);
st->avg_frame_rate = framerate;
avpriv_set_pts_info(st, 60, s->framerate.den, s->framerate.num);
st->avg_frame_rate = s->framerate;
/* simulate tty display speed */
s->chars_per_frame = FFMAX(av_q2d(st->time_base)*s->chars_per_frame, 1);
@ -147,7 +142,7 @@ static int read_packet(AVFormatContext *avctx, AVPacket *pkt)
static const AVOption options[] = {
{ "chars_per_frame", "", offsetof(TtyDemuxContext, chars_per_frame), AV_OPT_TYPE_INT, {.i64 = 6000}, 1, INT_MAX, AV_OPT_FLAG_DECODING_PARAM},
{ "video_size", "A string describing frame size, such as 640x480 or hd720.", OFFSET(video_size), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC },
{ "framerate", "", OFFSET(framerate), AV_OPT_TYPE_STRING, {.str = "25"}, 0, 0, DEC },
{ "framerate", "", OFFSET(framerate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, 0, DEC },
{ NULL },
};