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avformat/img2enc: factorize piped write_packet 

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2019-12-26 20:51:19 +01:00
parent b693b06b22
commit 04e36fc4e1
1 changed files with 18 additions and 12 deletions
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30
libavformat/img2enc.c
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@ -35,7 +35,6 @@
typedef struct VideoMuxData {
const AVClass *class; /**< Class for private options. */
int img_number;
int is_pipe;
int split_planes; /**< use independent file for each Y, U, V plane */
char path[1024];
char tmp[4][1024];
@ -55,12 +54,6 @@ static int write_header(AVFormatContext *s)
av_strlcpy(img->path, s->url, sizeof(img->path));
/* find format */
if (s->oformat->flags & AVFMT_NOFILE)
img->is_pipe = 0;
else
img->is_pipe = 1;
if (st->codecpar->codec_id == AV_CODEC_ID_GIF) {
img->muxer = "gif";
} else if (st->codecpar->codec_id == AV_CODEC_ID_FITS) {
@ -113,6 +106,21 @@ static int write_muxed_file(AVFormatContext *s, AVIOContext *pb, AVPacket *pkt)
return 0;
}
static int write_packet_pipe(AVFormatContext *s, AVPacket *pkt)
{
VideoMuxData *img = s->priv_data;
if (img->muxer) {
int ret = write_muxed_file(s, s->pb, pkt);
if (ret < 0)
return ret;
} else {
avio_write(s->pb, pkt->data, pkt->size);
avio_flush(s->pb);
}
img->img_number++;
return 0;
}
static int write_packet(AVFormatContext *s, AVPacket *pkt)
{
VideoMuxData *img = s->priv_data;
@ -123,7 +131,7 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
int ret, i;
int nb_renames = 0;
if (!img->is_pipe) {
{
if (img->update) {
av_strlcpy(filename, img->path, sizeof(filename));
} else if (img->use_strftime) {
@ -164,8 +172,6 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
}
if (img->use_rename)
nb_renames = i + 1;
} else {
pb[0] = s->pb;
}
if (img->split_planes) {
@ -192,7 +198,7 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
avio_write(pb[0], pkt->data, pkt->size);
}
avio_flush(pb[0]);
if (!img->is_pipe) {
{
ff_format_io_close(s, &pb[0]);
for (i = 0; i < nb_renames; i++) {
int ret = ff_rename(img->tmp[i], img->target[i], s);
@ -257,7 +263,7 @@ AVOutputFormat ff_image2pipe_muxer = {
.priv_data_size = sizeof(VideoMuxData),
.video_codec = AV_CODEC_ID_MJPEG,
.write_header = write_header,
.write_packet = write_packet,
.write_packet = write_packet_pipe,
.query_codec = query_codec,
.flags = AVFMT_NOTIMESTAMPS | AVFMT_NODIMENSIONS
};