deps/media-playback: Add support for FFmpeg options for media playback

deps/media-playback/media-playback/media.c

@@ -680,6 +680,19 @@ static bool init_avformat(mp_media_t *m)
 	if (m->buffering && !m->is_local_file && !is_rist)
 		av_dict_set_int(&opts, "buffer_size", m->buffering, 0);
 
+	if (m->ffmpeg_options) {
+		int ret = av_dict_parse_string(&opts, m->ffmpeg_options, "=",
+					       " ", 0);
+		if (ret) {
+			blog(LOG_WARNING,
+			     "Failed to parse FFmpeg options: %s\n%s",
+			     av_err2str(ret), m->ffmpeg_options);
+		} else {
+			blog(LOG_INFO, "Set FFmpeg options: %s",
+			     m->ffmpeg_options);
+		}
+	}
+
 	m->fmt = avformat_alloc_context();
 	if (m->buffering == 0) {
 		m->fmt->flags |= AVFMT_FLAG_NOBUFFER;
@@ -863,6 +876,7 @@ bool mp_media_init(mp_media_t *media, const struct mp_media_info *info)
 	media->v_cb = info->v_cb;
 	media->a_cb = info->a_cb;
 	media->stop_cb = info->stop_cb;
+	media->ffmpeg_options = info->ffmpeg_options;
 	media->v_seek_cb = info->v_seek_cb;
 	media->v_preload_cb = info->v_preload_cb;
 	media->force_range = info->force_range;

deps/media-playback/media-playback/media.h

@@ -54,6 +54,7 @@ struct mp_media {
 
 	char *path;
 	char *format_name;
+	char *ffmpeg_options;
 	int buffering;
 	int speed;
 
@@ -118,6 +119,7 @@ struct mp_media_info {
 
 	const char *path;
 	const char *format;
+	char *ffmpeg_options;
 	int buffering;
 	int speed;
 	enum video_range_type force_range;