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-rw-r--r--sys/vdpau/gstvdpmpegdecoder.c110
-rw-r--r--sys/vdpau/gstvdpmpegdecoder.h2
-rw-r--r--sys/vdpau/mpegutil.c5
-rw-r--r--sys/vdpau/mpegutil.h1
4 files changed, 117 insertions, 1 deletions
diff --git a/sys/vdpau/gstvdpmpegdecoder.c b/sys/vdpau/gstvdpmpegdecoder.c
index 008a2428..19c096f6 100644
--- a/sys/vdpau/gstvdpmpegdecoder.c
+++ b/sys/vdpau/gstvdpmpegdecoder.c
@@ -220,6 +220,7 @@ gst_vdp_mpeg_decoder_set_caps (GstPad * pad, GstCaps * caps)
gst_vdp_mpeg_packetizer_init (&packetizer, codec_data);
if ((buf = gst_vdp_mpeg_packetizer_get_next_packet (&packetizer))) {
MPEGSeqHdr hdr;
+ guint32 bitrate;
mpeg_util_parse_sequence_hdr (&hdr, buf);
@@ -228,6 +229,7 @@ gst_vdp_mpeg_decoder_set_caps (GstPad * pad, GstCaps * caps)
memcpy (&mpeg_dec->vdp_info.non_intra_quantizer_matrix,
&hdr.non_intra_quantizer_matrix, 64);
+ bitrate = hdr.bitrate;
gst_buffer_unref (buf);
if ((buf = gst_vdp_mpeg_packetizer_get_next_packet (&packetizer))) {
@@ -245,8 +247,12 @@ gst_vdp_mpeg_decoder_set_caps (GstPad * pad, GstCaps * caps)
}
}
+ bitrate += (ext.bitrate_ext << 18);;
gst_buffer_unref (buf);
}
+
+ mpeg_dec->byterate = bitrate * 50;
+ GST_DEBUG ("byterate: %" G_GINT64_FORMAT, mpeg_dec->byterate);
}
}
@@ -526,6 +532,8 @@ gst_vdp_mpeg_decoder_reset (GstVdpMpegDecoder * mpeg_dec)
gst_vdp_mpeg_decoder_init_info (&mpeg_dec->vdp_info);
gst_adapter_clear (mpeg_dec->adapter);
+
+ //mpeg_dec->byterate = -1;
}
static GstFlowReturn
@@ -617,6 +625,105 @@ gst_vdp_mpeg_decoder_chain (GstPad * pad, GstBuffer * buffer)
}
static gboolean
+gst_vdp_mpeg_decoder_convert (GstVdpMpegDecoder * mpeg_dec,
+ GstFormat src_format, gint64 src_value,
+ GstFormat dest_format, gint64 * dest_value)
+{
+
+ if (src_format == dest_format) {
+ *dest_value = src_value;
+ return TRUE;
+ }
+
+ if (mpeg_dec->byterate == -1)
+ return FALSE;
+
+ if (src_format == GST_FORMAT_BYTES && dest_format == GST_FORMAT_TIME) {
+ *dest_value = gst_util_uint64_scale (GST_SECOND, src_value,
+ mpeg_dec->byterate);
+ return TRUE;
+ }
+
+ if (src_format == GST_FORMAT_TIME && dest_format == GST_FORMAT_BYTES) {
+ *dest_value =
+ gst_util_uint64_scale_int (src_value, mpeg_dec->byterate, GST_SECOND);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static const GstQueryType *
+gst_mpeg_decoder_get_querytypes (GstPad * pad)
+{
+ static const GstQueryType list[] = {
+ GST_QUERY_POSITION,
+ GST_QUERY_DURATION,
+ 0
+ };
+
+ return list;
+}
+
+static gboolean
+gst_vdp_mpeg_decoder_src_query (GstPad * pad, GstQuery * query)
+{
+ GstVdpMpegDecoder *mpeg_dec = GST_VDP_MPEG_DECODER (GST_OBJECT_PARENT (pad));
+ gboolean res = FALSE;
+
+ switch (GST_QUERY_TYPE (query)) {
+ case GST_QUERY_POSITION:
+ {
+ GstFormat format;
+
+ if (gst_pad_query_default (pad, query))
+ return TRUE;
+
+ gst_query_parse_position (query, &format, NULL);
+ if (format == GST_FORMAT_TIME &&
+ GST_CLOCK_TIME_IS_VALID (mpeg_dec->next_timestamp)) {
+ gst_query_set_position (query, GST_FORMAT_TIME,
+ mpeg_dec->next_timestamp);
+ res = TRUE;
+ }
+ break;
+ }
+
+ case GST_QUERY_DURATION:
+ {
+ GstFormat format;
+
+ if (gst_pad_query_default (pad, query))
+ return TRUE;
+
+ gst_query_parse_duration (query, &format, NULL);
+ if (format == GST_FORMAT_TIME) {
+ gint64 bytes;
+
+ format = GST_FORMAT_BYTES;
+ if (gst_pad_query_duration (pad, &format, &bytes)
+ && format == GST_FORMAT_BYTES) {
+ gint64 duration;
+
+ if (gst_vdp_mpeg_decoder_convert (mpeg_dec, GST_FORMAT_BYTES,
+ bytes, GST_FORMAT_TIME, &duration)) {
+ GST_DEBUG ("duration: %" GST_TIME_FORMAT, GST_TIME_ARGS (duration));
+ gst_query_set_duration (query, GST_FORMAT_TIME, duration);
+ res = TRUE;
+ }
+ }
+ }
+ break;
+ }
+
+ default:
+ res = gst_pad_query_default (pad, query);
+ }
+
+ return res;
+}
+
+static gboolean
gst_vdp_mpeg_decoder_sink_event (GstPad * pad, GstEvent * event)
{
GstVdpMpegDecoder *mpeg_dec = GST_VDP_MPEG_DECODER (GST_OBJECT_PARENT (pad));
@@ -737,6 +844,9 @@ gst_vdp_mpeg_decoder_init (GstVdpMpegDecoder * mpeg_dec,
GstVdpMpegDecoderClass * gclass)
{
mpeg_dec->src = gst_pad_new_from_static_template (&src_template, "src");
+ gst_pad_set_query_function (mpeg_dec->src, gst_vdp_mpeg_decoder_src_query);
+ gst_pad_set_query_type_function (mpeg_dec->src,
+ gst_mpeg_decoder_get_querytypes);
gst_element_add_pad (GST_ELEMENT (mpeg_dec), mpeg_dec->src);
mpeg_dec->sink = gst_pad_new_from_static_template (&sink_template, "sink");
diff --git a/sys/vdpau/gstvdpmpegdecoder.h b/sys/vdpau/gstvdpmpegdecoder.h
index facc791b..597101f8 100644
--- a/sys/vdpau/gstvdpmpegdecoder.h
+++ b/sys/vdpau/gstvdpmpegdecoder.h
@@ -62,6 +62,8 @@ struct _GstVdpMpegDecoder
gboolean broken_gop;
GstClockTime duration;
GstClockTime next_timestamp;
+
+ gint64 byterate;
GstAdapter *adapter;
};
diff --git a/sys/vdpau/mpegutil.c b/sys/vdpau/mpegutil.c
index bba84f2b..5348bd6a 100644
--- a/sys/vdpau/mpegutil.c
+++ b/sys/vdpau/mpegutil.c
@@ -135,8 +135,11 @@ mpeg_util_parse_sequence_extension (MPEGSeqExtHdr * hdr, GstBuffer * buffer)
if (!gst_bit_reader_get_bits_uint8 (&reader, &hdr->vert_size_ext, 2))
return FALSE;
+ if (!gst_bit_reader_get_bits_uint16 (&reader, &hdr->bitrate_ext, 12))
+ return FALSE;
+
/* skip to framerate extension */
- if (!gst_bit_reader_skip (&reader, 22))
+ if (!gst_bit_reader_skip (&reader, 9))
return FALSE;
/* framerate extension */
diff --git a/sys/vdpau/mpegutil.h b/sys/vdpau/mpegutil.h
index 08f6cc2f..aaaa15f8 100644
--- a/sys/vdpau/mpegutil.h
+++ b/sys/vdpau/mpegutil.h
@@ -83,6 +83,7 @@ struct MPEGSeqExtHdr
guint8 horiz_size_ext, vert_size_ext;
+ guint16 bitrate_ext;
guint8 fps_n_ext, fps_d_ext;
};
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-03 09:00:33 +0000