support single images, remove copy/paste junk

Originally committed as revision 3320 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-07-15 20:15:40 +00:00
parent 03cfe134ca
commit 61fb3183b7
1 changed files with 9 additions and 22 deletions

View File

@ -80,8 +80,11 @@ static int find_image_range(int *pfirst_index, int *plast_index,
/* find the first image */
for(first_index = 0; first_index < 5; first_index++) {
if (get_frame_filename(buf, sizeof(buf), path, first_index) < 0)
goto fail;
if (get_frame_filename(buf, sizeof(buf), path, first_index) < 0){
*pfirst_index =
*plast_index = 1;
return 0;
}
if (url_exist(buf))
break;
}
@ -132,8 +135,6 @@ static int img_read_header(AVFormatContext *s1, AVFormatParameters *ap)
{
VideoData *s = s1->priv_data;
int first_index, last_index;
char buf[1024];
ByteIOContext pb1, *f = &pb1;
AVStream *st;
s1->ctx_flags |= AVFMTCTX_NOHEADER;
@ -173,18 +174,6 @@ static int img_read_header(AVFormatContext *s1, AVFormatParameters *ap)
st->duration = ((int64_t)AV_TIME_BASE *
(last_index - first_index + 1) *
st->codec.frame_rate_base) / st->codec.frame_rate;
if (get_frame_filename(buf, sizeof(buf), s->path, s->img_number) < 0)
goto fail;
if (url_fopen(f, buf, URL_RDONLY) < 0)
goto fail;
} else {
f = &s1->pb;
}
if (!s->is_pipe) {
url_fclose(f);
} else {
url_fseek(f, 0, SEEK_SET);
}
st->codec.codec_type = CODEC_TYPE_VIDEO;
@ -192,8 +181,6 @@ static int img_read_header(AVFormatContext *s1, AVFormatParameters *ap)
return 0;
if (!s->is_pipe)
url_fclose(f);
fail:
av_free(s);
return AVERROR_IO;
@ -212,7 +199,7 @@ static int img_read_packet(AVFormatContext *s1, AVPacket *pkt)
s->img_number = s->img_first;
}*/
if (get_frame_filename(filename, sizeof(filename),
s->path, s->img_number) < 0)
s->path, s->img_number)<0 && s->img_number > 1)
return AVERROR_IO;
f = &f1;
if (url_fopen(f, filename, URL_RDONLY) < 0)
@ -278,7 +265,7 @@ static int img_write_packet(AVFormatContext *s, AVPacket *pkt)
if (!img->is_pipe) {
if (get_frame_filename(filename, sizeof(filename),
img->path, img->img_number) < 0)
img->path, img->img_number) < 0 && img->img_number>1)
return AVERROR_IO;
pb = &pb1;
if (url_fopen(pb, filename, URL_WRONLY) < 0)
@ -314,7 +301,7 @@ static AVInputFormat image2_iformat = {
img_read_close,
NULL,
NULL,
AVFMT_NOFILE | AVFMT_NEEDNUMBER,
AVFMT_NOFILE,
};
static AVInputFormat image2pipe_iformat = {
@ -342,7 +329,7 @@ static AVOutputFormat image2_oformat = {
img_write_header,
img_write_packet,
img_write_trailer,
AVFMT_NOFILE | AVFMT_NEEDNUMBER,
AVFMT_NOFILE,
};
static AVOutputFormat image2pipe_oformat = {