diff --git a/libavformat/gif.c b/libavformat/gif.c index 594eb6b1d7..d459bd6032 100644 --- a/libavformat/gif.c +++ b/libavformat/gif.c @@ -68,6 +68,7 @@ static int gif_image_write_header(AVIOContext *pb, int width, int height, typedef struct { AVClass *class; /** Class for private options. */ int loop; + int last_delay; AVPacket *prev_pkt; int duration; } GIFContext; @@ -139,6 +140,8 @@ static int flush_packet(AVFormatContext *s, AVPacket *new) if (new && new->pts != AV_NOPTS_VALUE) gif->duration = av_clip_uint16(new->pts - gif->prev_pkt->pts); + else if (!new && gif->last_delay >= 0) + gif->duration = gif->last_delay; /* graphic control extension block */ avio_w8(pb, 0x21); @@ -188,6 +191,8 @@ static int gif_write_trailer(AVFormatContext *s) static const AVOption options[] = { { "loop", "Number of times to loop the output.", OFFSET(loop), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 65535, ENC }, + { "final_delay", "Force delay (in ms) after the last frame", OFFSET(last_delay), + AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 65535, ENC }, { NULL }, };