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Code Issues Releases Activity

lavf/img2enc: avoid a useless copy of the url

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img2enc keeps a private (and possibly truncated) copy of the url that is
never modified. Just use AVFormatContext.url instead.
This commit is contained in:
Anton Khirnov 2021-11-25 12:33:42 +01:00
parent 7e29e0278f
commit c0e46ad9a9
1 changed files with 6 additions and 9 deletions
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15
libavformat/img2enc.c
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@ -36,7 +36,6 @@ typedef struct VideoMuxData {
const AVClass *class; /**< Class for private options. */
int img_number;
int split_planes; /**< use independent file for each Y, U, V plane */
char path[1024];
char tmp[4][1024];
char target[4][1024];
int update;
@ -53,14 +52,12 @@ static int write_header(AVFormatContext *s)
AVStream *st = s->streams[0];
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(st->codecpar->format);
av_strlcpy(img->path, s->url, sizeof(img->path));
if (st->codecpar->codec_id == AV_CODEC_ID_GIF) {
img->muxer = "gif";
} else if (st->codecpar->codec_id == AV_CODEC_ID_FITS) {
img->muxer = "fits";
} else if (st->codecpar->codec_id == AV_CODEC_ID_RAWVIDEO) {
const char *str = strrchr(img->path, '.');
const char *str = strrchr(s->url, '.');
img->split_planes = str
&& !av_strcasecmp(str + 1, "y")
&& s->nb_streams == 1
@ -136,29 +133,29 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
AVDictionary *options = NULL;
if (img->update) {
av_strlcpy(filename, img->path, sizeof(filename));
av_strlcpy(filename, s->url, sizeof(filename));
} else if (img->use_strftime) {
time_t now0;
struct tm *tm, tmpbuf;
time(&now0);
tm = localtime_r(&now0, &tmpbuf);
if (!strftime(filename, sizeof(filename), img->path, tm)) {
if (!strftime(filename, sizeof(filename), s->url, tm)) {
av_log(s, AV_LOG_ERROR, "Could not get frame filename with strftime\n");
return AVERROR(EINVAL);
}
} else if (img->frame_pts) {
if (av_get_frame_filename2(filename, sizeof(filename), img->path, pkt->pts, AV_FRAME_FILENAME_FLAGS_MULTIPLE) < 0) {
if (av_get_frame_filename2(filename, sizeof(filename), s->url, pkt->pts, AV_FRAME_FILENAME_FLAGS_MULTIPLE) < 0) {
av_log(s, AV_LOG_ERROR, "Cannot write filename by pts of the frames.");
return AVERROR(EINVAL);
}
} else if (av_get_frame_filename2(filename, sizeof(filename), img->path,
} else if (av_get_frame_filename2(filename, sizeof(filename), s->url,
img->img_number,
AV_FRAME_FILENAME_FLAGS_MULTIPLE) < 0 &&
img->img_number > 1) {
av_log(s, AV_LOG_ERROR,
"Could not get frame filename number %d from pattern '%s'. "
"Use '-frames:v 1' for a single image, or '-update' option, or use a pattern such as %%03d within the filename.\n",
img->img_number, img->path);
img->img_number, s->url);
return AVERROR(EINVAL);
}
for (i = 0; i < 4; i++) {