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img2: add video_size private option.

This commit is contained in:
Anton Khirnov 2011-06-04 00:17:31 +02:00
parent f33e2a51d9
commit a915bf64cc
1 changed files with 16 additions and 4 deletions
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20
libavformat/img2.c
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@ -25,6 +25,7 @@
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/parseutils.h"
#include "avformat.h"
#include "avio_internal.h"
#include "internal.h"
@ -39,6 +40,7 @@ typedef struct {
int is_pipe;
char path[1024];
char *pixel_format; /**< Set by a private option. */
char *video_size; /**< Set by a private option. */
} VideoData;
typedef struct {
@ -203,7 +205,8 @@ enum CodecID av_guess_image2_codec(const char *filename){
static int read_header(AVFormatContext *s1, AVFormatParameters *ap)
{
VideoData *s = s1->priv_data;
int first_index, last_index;
int first_index, last_index, ret = 0;
int width = 0, height = 0;
AVStream *st;
enum PixelFormat pix_fmt = PIX_FMT_NONE;
@ -218,9 +221,17 @@ static int read_header(AVFormatContext *s1, AVFormatParameters *ap)
av_log(s1, AV_LOG_ERROR, "No such pixel format: %s.\n", s->pixel_format);
return AVERROR(EINVAL);
}
if (s->video_size && (ret = av_parse_video_size(&width, &height, s->video_size)) < 0) {
av_log(s, AV_LOG_ERROR, "Could not parse video size: %s.\n", s->video_size);
return ret;
}
#if FF_API_FORMAT_PARAMETERS
if (ap->pix_fmt != PIX_FMT_NONE)
pix_fmt = ap->pix_fmt;
if (ap->width > 0)
width = ap->width;
if (ap->height > 0)
height = ap->height;
#endif
av_strlcpy(s->path, s1->filename, sizeof(s->path));
@ -241,9 +252,9 @@ static int read_header(AVFormatContext *s1, AVFormatParameters *ap)
av_set_pts_info(st, 60, ap->time_base.num, ap->time_base.den);
}
if(ap->width && ap->height){
st->codec->width = ap->width;
st->codec->height= ap->height;
if (width && height) {
st->codec->width = width;
st->codec->height = height;
}
if (!s->is_pipe) {
@ -440,6 +451,7 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
#define DEC AV_OPT_FLAG_DECODING_PARAM
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 },
{ NULL },
};