From 9e6b5e61a0c91e25e298d0a21b189c4c95443795 Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Thu, 4 Apr 2013 22:57:58 +0200 Subject: img2enc: add an option for overwriting one file with subsequent images Based on a patch by Michael Niedermayer . --- libavformat/img2enc.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'libavformat/img2enc.c') diff --git a/libavformat/img2enc.c b/libavformat/img2enc.c index aed61d97f9..7b94869c56 100644 --- a/libavformat/img2enc.c +++ b/libavformat/img2enc.c @@ -33,6 +33,7 @@ typedef struct { int img_number; int is_pipe; char path[1024]; + int update; } VideoMuxData; static int write_header(AVFormatContext *s) @@ -59,8 +60,10 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt) int i; if (!img->is_pipe) { - if (av_get_frame_filename(filename, sizeof(filename), - img->path, img->img_number) < 0 && img->img_number > 1) { + if (img->update) { + av_strlcpy(filename, img->path, sizeof(filename)); + } else if (av_get_frame_filename(filename, sizeof(filename), img->path, img->img_number) < 0 && + img->img_number > 1) { av_log(s, AV_LOG_ERROR, "Could not get frame filename number %d from pattern '%s'\n", img->img_number, img->path); @@ -128,6 +131,7 @@ error: #define ENC AV_OPT_FLAG_ENCODING_PARAM static const AVOption muxoptions[] = { { "start_number", "first number in the sequence", OFFSET(img_number), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, INT_MAX, ENC }, + { "update", "continuously overwrite one file", OFFSET(update), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, ENC }, { NULL }, }; -- cgit v1.2.3