On Wed, Aug 19, 2020 at 09:06:54AM +0200, Peter van der Spek wrote:
> Since release 4.2, FFmpeg fails to detect the correct streams in an RTMP
> stream that contains a |RtmpSampleAccess AMF object prior to the
> onMetaData AMF object. In the debug log it would show "[flv] Unknown
> type |RtmpSampleAccess".
>
> This functionality broke in commit d7638d8dfc3c4ffd0dc18a64937a5a07ed67b354
> as unknown metadata packets now result in an opaque data stream, and the
> |RtmpSampleAccess packet was an "unknown" metadata packet type.
>
> With this change the RTMP streams are correctly detected when there
> is a |RtmpSampleAccess object prior to the onMetaData object.
>
> Signed-off-by: Peter van der Spek <p.vanders...@bluebillywig.com>
> ---
> libavformat/flvdec.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavformat/flvdec.c b/libavformat/flvdec.c
> index 0862273..d480d0b 100644
> --- a/libavformat/flvdec.c
> +++ b/libavformat/flvdec.c
> @@ -715,7 +715,7 @@ static int flv_read_metabody(AVFormatContext *s, int64_t
> next_pos)
> if (!strcmp(buffer, "onCaptionInfo"))
> return TYPE_ONCAPTIONINFO;
>
> - if (strcmp(buffer, "onMetaData") && strcmp(buffer, "onCuePoint")) {
> + if (strcmp(buffer, "onMetaData") && strcmp(buffer, "onCuePoint") &&
> strcmp(buffer, "|RtmpSampleAccess")) {
> av_log(s, AV_LOG_DEBUG, "Unknown type %s\n", buffer);
> return TYPE_UNKNOWN;
> }when transcoding this will copy this "|RtmpSampleAccess" thing in the output is that intended ? thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB It is what and why we do it that matters, not just one of them.
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