generic-library/ffmpeg
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img2: add framerate private option.

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This commit is contained in:
Anton Khirnov
2011-06-04 00:21:26 +02:00
parent a915bf64cc
commit abcedfac60
1 changed files with 10 additions and 5 deletions
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15
libavformat/img2.c
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@@ -41,6 +41,7 @@ typedef struct {
char path[1024];
char *pixel_format; /**< Set by a private option. */
char *video_size; /**< Set by a private option. */
char *framerate; /**< Set by a private option. */
} VideoData;
typedef struct {
@@ -209,6 +210,7 @@ static int read_header(AVFormatContext *s1, AVFormatParameters *ap)
int width = 0, height = 0;
AVStream *st;
enum PixelFormat pix_fmt = PIX_FMT_NONE;
AVRational framerate;
s1->ctx_flags |= AVFMTCTX_NOHEADER;
@@ -225,6 +227,10 @@ static int read_header(AVFormatContext *s1, AVFormatParameters *ap)
av_log(s, AV_LOG_ERROR, "Could not parse video size: %s.\n", s->video_size);
return ret;
}
if ((ret = av_parse_video_rate(&framerate, s->framerate)) < 0) {
av_log(s, AV_LOG_ERROR, "Could not parse framerate: %s.\n", s->framerate);
return ret;
}
#if FF_API_FORMAT_PARAMETERS
if (ap->pix_fmt != PIX_FMT_NONE)
pix_fmt = ap->pix_fmt;
@@ -232,6 +238,8 @@ static int read_header(AVFormatContext *s1, AVFormatParameters *ap)
width = ap->width;
if (ap->height > 0)
height = ap->height;
if (ap->time_base.num)
framerate = (AVRational){ap->time_base.den, ap->time_base.num};
#endif
av_strlcpy(s->path, s1->filename, sizeof(s->path));
@@ -246,11 +254,7 @@ static int read_header(AVFormatContext *s1, AVFormatParameters *ap)
st->need_parsing = AVSTREAM_PARSE_FULL;
}
if (!ap->time_base.num) {
av_set_pts_info(st, 60, 1, 25);
} else {
av_set_pts_info(st, 60, ap->time_base.num, ap->time_base.den);
}
av_set_pts_info(st, 60, framerate.den, framerate.num);
if (width && height) {
st->codec->width = width;
@@ -452,6 +456,7 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
static const AVOption options[] = {
{ "pixel_format", "", OFFSET(pixel_format), FF_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC },
{ "video_size", "", OFFSET(video_size), FF_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC },
{ "framerate", "", OFFSET(framerate), FF_OPT_TYPE_STRING, {.str = "25"}, 0, 0, DEC },
{ NULL },
};