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From 9fce0ed5dd37daa6d98d0a4aaed05faafb2e6771 Mon Sep 17 00:00:00 2001
From: Andreas Oberritter <obi@opendreambox.org>
Date: Wed, 21 Mar 2012 15:55:42 +0100
Subject: [PATCH 3/3] mpegpsdemux_speedup.diff
---
gst/mpegdemux/gstmpegdemux.c | 52 +++++++++++++++++++++++++++++++++++++-----
gst/mpegdemux/gstmpegdemux.h | 4 +++
2 files changed, 50 insertions(+), 6 deletions(-)
diff --git a/gst/mpegdemux/gstmpegdemux.c b/gst/mpegdemux/gstmpegdemux.c
index 8359285..35a7ee9 100644
--- a/gst/mpegdemux/gstmpegdemux.c
+++ b/gst/mpegdemux/gstmpegdemux.c
@@ -285,7 +285,10 @@ gst_flups_demux_reset (GstFluPSDemux * demux)
if (stream != NULL) {
if (stream->pad)
gst_element_remove_pad (GST_ELEMENT_CAST (demux), stream->pad);
-
+ if (stream->buf)
+ free(stream->buf);
+ if (stream->meta_buf)
+ gst_buffer_unref(stream->meta_buf);
g_free (stream);
demux->streams[i] = NULL;
}
@@ -415,6 +418,15 @@ gst_flups_demux_create_stream (GstFluPSDemux * demux, gint id, gint stream_type)
stream->type = stream_type;
stream->pad = gst_pad_new_from_template (template, name);
stream->segment_thresh = threshold;
+
+ if (threshold == VIDEO_SEGMENT_THRESHOLD) {
+ stream->buf = malloc(64*1024);
+ stream->buf_pos = 0;
+ stream->meta_buf = gst_buffer_new();
+ }
+ else
+ stream->buf = 0;
+
gst_pad_set_event_function (stream->pad,
GST_DEBUG_FUNCPTR (gst_flups_demux_src_event));
gst_pad_set_query_function (stream->pad,
@@ -466,6 +478,7 @@ gst_flups_demux_send_data (GstFluPSDemux * demux, GstFluPSStream * stream,
GstFlowReturn result;
guint64 timestamp;
guint size;
+ gboolean sent = FALSE;
if (stream == NULL)
goto no_stream;
@@ -568,11 +581,38 @@ gst_flups_demux_send_data (GstFluPSDemux * demux, GstFluPSStream * stream,
demux->next_pts = G_MAXUINT64;
demux->next_dts = G_MAXUINT64;
- result = gst_pad_push (stream->pad, buf);
- GST_DEBUG_OBJECT (demux, "pushed stream id 0x%02x type 0x%02x, time: %"
- GST_TIME_FORMAT ", size %d. result: %s",
- stream->id, stream->type, GST_TIME_ARGS (timestamp),
- size, gst_flow_get_name (result));
+ if (stream->buf && stream->buf_pos && (timestamp != GST_CLOCK_TIME_NONE || stream->buf_pos+size > 64*1024)) {
+ GstBuffer *tmp = gst_buffer_new_and_alloc(stream->buf_pos);
+ gst_buffer_copy_metadata(tmp, stream->meta_buf, GST_BUFFER_COPY_ALL);
+ GST_BUFFER_SIZE(tmp) = stream->buf_pos;
+ memcpy(GST_BUFFER_DATA(tmp), stream->buf, stream->buf_pos);
+ result = gst_pad_push (stream->pad, tmp);
+ GST_DEBUG_OBJECT (demux, "pushed stream id 0x%02x type 0x%02x, time: %"
+ GST_TIME_FORMAT ", size %d. result: %s",
+ stream->id, stream->type, GST_TIME_ARGS (timestamp),
+ stream->buf_pos, gst_flow_get_name (result));
+ stream->buf_pos = 0;
+ sent = TRUE;
+ }
+
+ if (!stream->buf || size > 64*1024) {
+ result = gst_pad_push (stream->pad, buf);
+ GST_DEBUG_OBJECT (demux, "pushed stream id 0x%02x type 0x%02x, time: %"
+ GST_TIME_FORMAT ", size %d. result: %s",
+ stream->id, stream->type, GST_TIME_ARGS (timestamp),
+ size, gst_flow_get_name (result));
+ }
+ else {
+ if (!stream->buf_pos)
+ gst_buffer_copy_metadata(stream->meta_buf, buf, GST_BUFFER_COPY_ALL);
+
+ memcpy(stream->buf + stream->buf_pos, GST_BUFFER_DATA(buf), size);
+ stream->buf_pos += size;
+ gst_buffer_unref(buf);
+
+ if (!sent)
+ result = GST_FLOW_OK;
+ }
return result;
diff --git a/gst/mpegdemux/gstmpegdemux.h b/gst/mpegdemux/gstmpegdemux.h
index 6cf7aed..5977578 100644
--- a/gst/mpegdemux/gstmpegdemux.h
+++ b/gst/mpegdemux/gstmpegdemux.h
@@ -92,6 +92,10 @@ struct _GstFluPSStream
gboolean discont;
gboolean notlinked;
gboolean need_segment;
+
+ GstBuffer *meta_buf;
+ unsigned char *buf;
+ size_t buf_pos;
};
struct _GstFluPSDemux
--
1.7.5.4
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