diff options
Diffstat (limited to 'gst/mxf/mxfdemux.c')
-rw-r--r-- | gst/mxf/mxfdemux.c | 140 |
1 files changed, 80 insertions, 60 deletions
diff --git a/gst/mxf/mxfdemux.c b/gst/mxf/mxfdemux.c index 8259e4fc..5b2e66e5 100644 --- a/gst/mxf/mxfdemux.c +++ b/gst/mxf/mxfdemux.c @@ -385,6 +385,28 @@ gst_mxf_demux_push_src_event (GstMXFDemux * demux, GstEvent * event) return ret; } +static GstMXFDemuxPad * +gst_mxf_demux_get_earliest_pad (GstMXFDemux * demux) +{ + guint i; + GstClockTime earliest = GST_CLOCK_TIME_NONE; + GstMXFDemuxPad *pad = NULL; + + if (!demux->src) + return NULL; + + for (i = 0; i < demux->src->len; i++) { + GstMXFDemuxPad *p = g_ptr_array_index (demux->src, i); + + if (!p->eos && p->last_flow < earliest) { + earliest = p->last_flow; + pad = p; + } + } + + return pad; +} + static gint gst_mxf_demux_partition_compare (GstMXFDemuxPartition * a, GstMXFDemuxPartition * b) @@ -1492,7 +1514,6 @@ gst_mxf_demux_handle_generic_container_essence_element (GstMXFDemux * demux, for (i = 0; i < demux->src->len; i++) { GstMXFDemuxPad *pad = g_ptr_array_index (demux->src, i); - guint j; if (pad->current_essence_track != etrack) continue; @@ -1507,18 +1528,15 @@ gst_mxf_demux_handle_generic_container_essence_element (GstMXFDemux * demux, continue; } - for (j = 0; j < demux->src->len; j++) { - GstMXFDemuxPad *opad = g_ptr_array_index (demux->src, j); + { + GstMXFDemuxPad *earliest = gst_mxf_demux_get_earliest_pad (demux); - if (!opad->eos && opad->last_stop < pad->last_stop && - pad->last_stop - opad->last_stop > 500 * GST_MSECOND) { - break; + if (earliest && earliest != pad && earliest->last_stop < pad->last_stop && + pad->last_stop - earliest->last_stop > 500 * GST_MSECOND) { + GST_DEBUG_OBJECT (demux, "Pad is too far ahead of time"); + continue; } } - if (j != demux->src->len) { - GST_DEBUG_OBJECT (demux, "Pad is too far ahead of time"); - continue; - } /* Create another subbuffer to have writable metadata */ outbuf = gst_buffer_create_sub (inbuf, 0, GST_BUFFER_SIZE (inbuf)); @@ -1612,20 +1630,7 @@ gst_mxf_demux_handle_generic_container_essence_element (GstMXFDemux * demux, GST_DEBUG_OBJECT (demux, "EOS for track"); pad->eos = TRUE; gst_pad_push_event (GST_PAD_CAST (pad), gst_event_new_eos ()); - - for (i = 0; i < demux->src->len; i++) { - GstMXFDemuxPad *opad = g_ptr_array_index (demux->src, i); - - if (!opad->eos) { - ret = GST_FLOW_OK; - break; - } - } - - if (ret == GST_FLOW_UNEXPECTED) { - GST_DEBUG_OBJECT (demux, "All tracks are EOS"); - break; - } + ret = GST_FLOW_OK; } if (ret != GST_FLOW_OK) @@ -2302,46 +2307,59 @@ gst_mxf_demux_pull_and_handle_klv_packet (GstMXFDemux * demux) GstFlowReturn ret = GST_FLOW_OK; guint read = 0; + if (demux->src) { + if (!gst_mxf_demux_get_earliest_pad (demux)) { + ret = GST_FLOW_UNEXPECTED; + GST_DEBUG_OBJECT (demux, "All tracks are EOS"); + goto beach; + } + } + ret = gst_mxf_demux_pull_klv_packet (demux, demux->offset, &key, &buffer, &read); if (ret == GST_FLOW_UNEXPECTED && demux->src) { guint i; + GstMXFDemuxPad *p = NULL; - for (i = 0; i < demux->src->len; i++) { - GstMXFDemuxPad *p = g_ptr_array_index (demux->src, i); + for (i = 0; i < demux->essence_tracks->len; i++) { + GstMXFDemuxEssenceTrack *t = + &g_array_index (demux->essence_tracks, GstMXFDemuxEssenceTrack, i); - if (!p->eos) { - guint64 offset; - gint64 position; + if (t->position != -1) + t->duration = t->position; + } - position = p->current_essence_track_position; + while ((p = gst_mxf_demux_get_earliest_pad (demux))) { + guint64 offset; + gint64 position; - offset = - gst_mxf_demux_find_essence_element (demux, p->current_essence_track, - &position, FALSE); - if (offset == -1) { - GST_ERROR_OBJECT (demux, "Failed to find offset for essence track"); - p->eos = TRUE; - gst_pad_push_event (GST_PAD_CAST (p), gst_event_new_eos ()); - continue; - } + position = p->current_essence_track_position; - demux->offset = offset + demux->run_in; - gst_mxf_demux_set_partition_for_offset (demux, demux->offset); + offset = + gst_mxf_demux_find_essence_element (demux, p->current_essence_track, + &position, FALSE); + if (offset == -1) { + GST_ERROR_OBJECT (demux, "Failed to find offset for essence track"); + p->eos = TRUE; + gst_pad_push_event (GST_PAD_CAST (p), gst_event_new_eos ()); + continue; + } - for (i = 0; i < demux->essence_tracks->len; i++) { - GstMXFDemuxEssenceTrack *etrack = - &g_array_index (demux->essence_tracks, GstMXFDemuxEssenceTrack, - i); - etrack->position = -1; - } - p->current_essence_track->position = position; + demux->offset = offset + demux->run_in; + gst_mxf_demux_set_partition_for_offset (demux, demux->offset); - ret = GST_FLOW_OK; - goto beach; + for (i = 0; i < demux->essence_tracks->len; i++) { + GstMXFDemuxEssenceTrack *etrack = + &g_array_index (demux->essence_tracks, GstMXFDemuxEssenceTrack, + i); + etrack->position = -1; } + p->current_essence_track->position = position; + + ret = GST_FLOW_OK; + goto beach; } } @@ -2354,21 +2372,15 @@ gst_mxf_demux_pull_and_handle_klv_packet (GstMXFDemux * demux) if (ret == GST_FLOW_OK && demux->src && demux->essence_tracks) { guint i; GstMXFDemuxPad *earliest = NULL; - GstClockTime earliest_last_stop = demux->segment.last_stop; guint64 offset; gint64 position; - for (i = 0; i < demux->src->len; i++) { - GstMXFDemuxPad *p = g_ptr_array_index (demux->src, i); - - if (!p->eos && p->last_stop < earliest_last_stop) { - earliest = p; - earliest_last_stop = p->last_stop; - } - } + earliest = gst_mxf_demux_get_earliest_pad (demux); + if (!earliest) + goto beach; /* We allow time drifts of at most 500ms */ - if (demux->segment.last_stop - earliest_last_stop <= 500 * GST_MSECOND) + if (demux->segment.last_stop - earliest->last_stop <= 500 * GST_MSECOND) goto beach; GST_WARNING_OBJECT (demux, @@ -2533,6 +2545,14 @@ gst_mxf_demux_chain (GstPad * pad, GstBuffer * inbuf) GST_LOG_OBJECT (demux, "received buffer of %u bytes at offset %" G_GUINT64_FORMAT, GST_BUFFER_SIZE (inbuf), GST_BUFFER_OFFSET (inbuf)); + if (demux->src) { + if (!gst_mxf_demux_get_earliest_pad (demux)) { + ret = GST_FLOW_UNEXPECTED; + GST_DEBUG_OBJECT (demux, "All tracks are EOS"); + return ret; + } + } + if (G_UNLIKELY (GST_BUFFER_OFFSET (inbuf) == 0)) { GST_DEBUG_OBJECT (demux, "beginning of file, expect header"); demux->run_in = -1; |