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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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qtdemux: Refactor buffer pushing into its own function
This commit is contained in:
Sebastian Dröge
Sebastian Dröge
parent
d471be4f3a
commit
aa65ea85f9
1 changed files with 90 additions and 73 deletions
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@ -5811,6 +5811,88 @@ gst_qtdemux_process_buffer (GstQTDemux * qtdemux, QtDemuxStream * stream,
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return buf;
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}
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static GstFlowReturn
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gst_qtdemux_push_buffer (GstQTDemux * qtdemux, QtDemuxStream * stream,
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GstBuffer * buf)
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{
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GstFlowReturn ret = GST_FLOW_OK;
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GstClockTime pts, duration;
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if (stream->need_clip)
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buf = gst_qtdemux_clip_buffer (qtdemux, stream, buf);
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if (G_UNLIKELY (buf == NULL))
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goto exit;
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if (G_UNLIKELY (stream->discont)) {
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GST_LOG_OBJECT (qtdemux, "marking discont buffer");
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GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DISCONT);
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stream->discont = FALSE;
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} else {
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GST_BUFFER_FLAG_UNSET (buf, GST_BUFFER_FLAG_DISCONT);
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}
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GST_LOG_OBJECT (qtdemux,
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"Pushing buffer with dts %" GST_TIME_FORMAT ", pts %" GST_TIME_FORMAT
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", duration %" GST_TIME_FORMAT " on pad %s",
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GST_TIME_ARGS (GST_BUFFER_DTS (buf)),
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GST_TIME_ARGS (GST_BUFFER_PTS (buf)),
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GST_TIME_ARGS (GST_BUFFER_DURATION (buf)), GST_PAD_NAME (stream->pad));
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if (stream->protected && stream->protection_scheme_type == FOURCC_cenc) {
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GstStructure *crypto_info;
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QtDemuxCencSampleSetInfo *info =
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(QtDemuxCencSampleSetInfo *) stream->protection_scheme_info;
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gint index;
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GstEvent *event;
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while ((event = g_queue_pop_head (&stream->protection_scheme_event_queue))) {
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GST_TRACE_OBJECT (stream->pad, "pushing protection event: %"
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GST_PTR_FORMAT, event);
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gst_pad_push_event (stream->pad, event);
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}
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if (info->crypto_info == NULL) {
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GST_DEBUG_OBJECT (qtdemux,
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"cenc metadata hasn't been parsed yet, pushing buffer as if it wasn't encrypted");
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} else {
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/* The end of the crypto_info array matches our n_samples position,
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* so count backward from there */
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index = stream->sample_index - stream->n_samples + info->crypto_info->len;
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if (G_LIKELY (index >= 0 && index < info->crypto_info->len)) {
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/* steal structure from array */
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crypto_info = g_ptr_array_index (info->crypto_info, index);
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g_ptr_array_index (info->crypto_info, index) = NULL;
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GST_LOG_OBJECT (qtdemux, "attaching cenc metadata [%u/%u]", index,
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info->crypto_info->len);
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if (!crypto_info || !gst_buffer_add_protection_meta (buf, crypto_info))
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GST_ERROR_OBJECT (qtdemux,
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"failed to attach cenc metadata to buffer");
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} else {
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GST_INFO_OBJECT (qtdemux, "No crypto info with index %d and sample %d",
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index, stream->sample_index);
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}
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}
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}
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if (stream->alignment > 1)
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buf = gst_qtdemux_align_buffer (qtdemux, buf, stream->alignment);
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pts = GST_BUFFER_PTS (buf);
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duration = GST_BUFFER_DURATION (buf);
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ret = gst_pad_push (stream->pad, buf);
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if (GST_CLOCK_TIME_IS_VALID (pts) && GST_CLOCK_TIME_IS_VALID (duration)) {
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/* mark position in stream, we'll need this to know when to send GAP event */
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stream->segment.position = pts + duration;
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}
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exit:
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return ret;
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}
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/* Sets a buffer's attributes properly and pushes it downstream.
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* Also checks for additional actions and custom processing that may
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* need to be done first.
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@ -5893,6 +5975,13 @@ gst_qtdemux_decorate_and_push_buffer (GstQTDemux * qtdemux,
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GST_BUFFER_OFFSET (buf) = -1;
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GST_BUFFER_OFFSET_END (buf) = -1;
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if (!keyframe) {
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GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT);
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stream->on_keyframe = FALSE;
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} else {
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stream->on_keyframe = TRUE;
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}
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if (G_UNLIKELY (CUR_STREAM (stream)->rgb8_palette))
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gst_buffer_append_memory (buf,
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gst_memory_ref (CUR_STREAM (stream)->rgb8_palette));
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@ -5920,79 +6009,7 @@ gst_qtdemux_decorate_and_push_buffer (GstQTDemux * qtdemux,
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}
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#endif
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if (stream->need_clip)
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buf = gst_qtdemux_clip_buffer (qtdemux, stream, buf);
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if (G_UNLIKELY (buf == NULL))
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goto exit;
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if (G_UNLIKELY (stream->discont)) {
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GST_LOG_OBJECT (qtdemux, "marking discont buffer");
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GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DISCONT);
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stream->discont = FALSE;
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} else {
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GST_BUFFER_FLAG_UNSET (buf, GST_BUFFER_FLAG_DISCONT);
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}
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if (!keyframe) {
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GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT);
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stream->on_keyframe = FALSE;
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} else {
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stream->on_keyframe = TRUE;
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}
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GST_LOG_OBJECT (qtdemux,
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"Pushing buffer with dts %" GST_TIME_FORMAT ", pts %" GST_TIME_FORMAT
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", duration %" GST_TIME_FORMAT " on pad %s", GST_TIME_ARGS (dts),
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GST_TIME_ARGS (pts), GST_TIME_ARGS (duration),
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GST_PAD_NAME (stream->pad));
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if (stream->protected && stream->protection_scheme_type == FOURCC_cenc) {
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GstStructure *crypto_info;
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QtDemuxCencSampleSetInfo *info =
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(QtDemuxCencSampleSetInfo *) stream->protection_scheme_info;
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gint index;
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GstEvent *event;
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while ((event = g_queue_pop_head (&stream->protection_scheme_event_queue))) {
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GST_TRACE_OBJECT (stream->pad, "pushing protection event: %"
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GST_PTR_FORMAT, event);
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gst_pad_push_event (stream->pad, event);
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}
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if (info->crypto_info == NULL) {
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GST_DEBUG_OBJECT (qtdemux,
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"cenc metadata hasn't been parsed yet, pushing buffer as if it wasn't encrypted");
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} else {
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/* The end of the crypto_info array matches our n_samples position,
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* so count backward from there */
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index = stream->sample_index - stream->n_samples + info->crypto_info->len;
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if (G_LIKELY (index >= 0 && index < info->crypto_info->len)) {
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/* steal structure from array */
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crypto_info = g_ptr_array_index (info->crypto_info, index);
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g_ptr_array_index (info->crypto_info, index) = NULL;
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GST_LOG_OBJECT (qtdemux, "attaching cenc metadata [%u/%u]", index,
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info->crypto_info->len);
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if (!crypto_info || !gst_buffer_add_protection_meta (buf, crypto_info))
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GST_ERROR_OBJECT (qtdemux,
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"failed to attach cenc metadata to buffer");
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} else {
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GST_INFO_OBJECT (qtdemux, "No crypto info with index %d and sample %d",
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index, stream->sample_index);
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}
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}
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}
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if (stream->alignment > 1)
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buf = gst_qtdemux_align_buffer (qtdemux, buf, stream->alignment);
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ret = gst_pad_push (stream->pad, buf);
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if (GST_CLOCK_TIME_IS_VALID (pts) && GST_CLOCK_TIME_IS_VALID (duration)) {
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/* mark position in stream, we'll need this to know when to send GAP event */
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stream->segment.position = pts + duration;
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}
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ret = gst_qtdemux_push_buffer (qtdemux, stream, buf);
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exit:
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return ret;
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