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From 1d8e36f2231a03999d874a6915d042b0ebbe3d68 Mon Sep 17 00:00:00 2001
From: wxf
Date: Thu, 17 Sep 2020 19:20:31 +0800
Subject: [PATCH] avformat/img2enc: add strftime_mkdir option to automatically
create time-based directories
Signed-off-by: wxf
---
libavformat/img2enc.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/libavformat/img2enc.c b/libavformat/img2enc.c
index b303d38239..10ffb227a9 100644
--- a/libavformat/img2enc.c
+++ b/libavformat/img2enc.c
@@ -42,6 +42,7 @@ typedef struct VideoMuxData {
char target[4][1024];
int update;
int use_strftime;
+int use_strftime_mkdir;
int frame_pts;
const char *muxer;
int use_rename;
@@ -147,6 +148,19 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
av_log(s, AV_LOG_ERROR, "Could not get frame filename with strftime\n");
return AVERROR(EINVAL);
}
+if (img->use_strftime_mkdir) {
+const char *dir;
+char *fn_copy = av_strdup(filename);
+if (!fn_copy)
+return AVERROR(ENOMEM);
+dir = av_dirname(fn_copy);
+if (ff_mkdir_p(dir) == -1 && errno != EEXIST) {
+av_log(s, AV_LOG_ERROR, "Could not create directory %s with use_strftime_mkdir\n", dir);
+av_freep(_copy);
+return AVERROR(errno);
+}
+av_freep(_copy);
+}
} else if (img->frame_pts) {
if (av_get_frame_filename2(filename, sizeof(filename), img->path, pkt->pts, AV_FRAME_FILENAME_FLAGS_MULTIPLE) < 0) {
av_log(s, AV_LOG_ERROR, "Cannot write filename by pts of the frames.");
@@ -243,6 +257,7 @@ static const AVOption muxoptions[] = {
{ "update", "continuously overwrite one file", OFFSET(update), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, ENC },
{ "start_number", "set first number in the sequence", OFFSET(img_number), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, INT_MAX, ENC },
{ "strftime", "use strftime for filename", OFFSET(use_strftime), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, ENC },
+{ "strftime_mkdir", "create last directory component in strftime-generated filename", OFFSET(use_strftime_mkdir), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, ENC },
{ "frame_pts","use current frame pts for filename", OFFSET(frame_pts), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, ENC },
{ "atomic_writing", "write files atomically (using temporary files and renames)", OFFSET(use_rename), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, ENC },
{ "protocol_opts", "specify protocol options for the opened files", OFFSET(protocol_opts), AV_OPT_TYPE_DICT, {0}, 0, 0, ENC },
--
2.18.4
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