[FFmpeg-devel] [PATCH] hls: only seek if there is an offset

[wm4]

On Tue, 22 Sep 2015 14:04:48 +0200
Andreas Cadhalpun <andreas.cadhalpun at googlemail.com> wrote:

> If there is no #EXT-X-BYTERANGE specified, there is no need to seek.
> Seeking fails anyway for rtmp, because this protocol does not support
> url_seek.
> 
> This fixes CNN.m3u from trac ticket 4797 (i.e. Debian bug #798189).
> ---
>  libavformat/hls.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/libavformat/hls.c b/libavformat/hls.c
> index c16c770..896d36e 100644
> --- a/libavformat/hls.c
> +++ b/libavformat/hls.c
> @@ -1047,7 +1047,7 @@ static int open_input(HLSContext *c, struct playlist *pls)
>      /* Seek to the requested position. If this was a HTTP request, the offset
>       * should already be where want it to, but this allows e.g. local testing
>       * without a HTTP server. */
> -    if (ret == 0 && seg->key_type == KEY_NONE) {
> +    if (ret == 0 && seg->key_type == KEY_NONE && seg->url_offset) {
>          int seekret = ffurl_seek(pls->input, seg->url_offset, SEEK_SET);
>          if (seekret < 0) {
>              av_log(pls->parent, AV_LOG_ERROR, "Unable to seek to offset %"PRId64" of HLS segment '%s'\n", seg->url_offset, seg->url);

Should be fine.