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adaptivedemux: Add another nominal bitrate fallback calculation

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Some HTTP servers don't provide fragment sizes (with the Content-Length HTTP
header). In order to still figure out a nominal bitrate (for usage by queue2),
calculate on when we're done downloading a fragment.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1544>
This commit is contained in:
Edward Hervey 2020-08-27 11:23:01 +02:00 committed by Edward Hervey
parent 298eedad8b
commit 66f5e87435
1 changed files with 15 additions and 0 deletions
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15
gst-libs/gst/adaptivedemux/gstadaptivedemux.c
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@ -2769,6 +2769,21 @@ gst_adaptive_demux_eos_handling (GstAdaptiveDemuxStream * stream)
|| !klass->need_another_chunk (stream) || !klass->need_another_chunk (stream)
|| stream->fragment.chunk_size == 0) { || stream->fragment.chunk_size == 0) {
stream->fragment.finished = TRUE; stream->fragment.finished = TRUE;
/* Last chance to figure out a fallback nominal bitrate if neither baseclass
nor the HTTP Content-Length implementation worked. */
if (stream->fragment.bitrate == 0 && stream->fragment.duration != 0 &&
stream->fragment_bytes_downloaded != 0) {
guint bitrate = MIN (G_MAXUINT,
gst_util_uint64_scale (stream->fragment_bytes_downloaded,
8 * GST_SECOND, stream->fragment.duration));
GST_LOG_OBJECT (stream->pad,
"Fragment has size %" G_GUINT64_FORMAT " duration %" GST_TIME_FORMAT
" = bitrate %u", stream->fragment_bytes_downloaded,
GST_TIME_ARGS (stream->fragment.duration), bitrate);
stream->fragment.bitrate = bitrate;
stream->bitrate_changed = TRUE;
}
ret = klass->finish_fragment (stream->demux, stream); ret = klass->finish_fragment (stream->demux, stream);
} }
gst_adaptive_demux_stream_fragment_download_finish (stream, ret, NULL); gst_adaptive_demux_stream_fragment_download_finish (stream, ret, NULL);