mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-06-06 07:28:53 +00:00
Code Issues 1 Projects Releases Wiki Activity

vdpaumpegdec: calculate byterate from the size of the incoming data

Browse source
This commit is contained in:
Carl-Anton Ingmarsson 2009-06-05 21:16:48 +02:00 committed by Jan Schmidt
parent c9464b9860
commit c4276ae568
2 changed files with 38 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
sys/vdpau/gstvdpmpegdecoder.c
View file

@ -283,6 +283,8 @@ GstFlowReturn
gst_vdp_mpeg_decoder_push_video_buffer (GstVdpMpegDecoder * mpeg_dec, gst_vdp_mpeg_decoder_push_video_buffer (GstVdpMpegDecoder * mpeg_dec,
GstVdpVideoBuffer * buffer) GstVdpVideoBuffer * buffer)
{ {
gint64 byterate;
if (GST_BUFFER_TIMESTAMP (buffer) == GST_CLOCK_TIME_NONE if (GST_BUFFER_TIMESTAMP (buffer) == GST_CLOCK_TIME_NONE
&& GST_CLOCK_TIME_IS_VALID (mpeg_dec->next_timestamp)) { && GST_CLOCK_TIME_IS_VALID (mpeg_dec->next_timestamp)) {
GST_BUFFER_TIMESTAMP (buffer) = mpeg_dec->next_timestamp; GST_BUFFER_TIMESTAMP (buffer) = mpeg_dec->next_timestamp;
@ -305,6 +307,14 @@ gst_vdp_mpeg_decoder_push_video_buffer (GstVdpMpegDecoder * mpeg_dec,
mpeg_dec->next_timestamp = GST_BUFFER_TIMESTAMP (buffer) + mpeg_dec->next_timestamp = GST_BUFFER_TIMESTAMP (buffer) +
GST_BUFFER_DURATION (buffer); GST_BUFFER_DURATION (buffer);
mpeg_dec->accumulated_duration += GST_BUFFER_DURATION (buffer);
mpeg_dec->accumulated_size += GST_BUFFER_SIZE (buffer);
byterate = gst_util_uint64_scale (mpeg_dec->accumulated_size, GST_SECOND,
mpeg_dec->accumulated_duration);
GST_DEBUG ("byterate: %" G_GINT64_FORMAT, mpeg_dec->byterate);
mpeg_dec->byterate = (mpeg_dec->byterate + byterate) / 2;
gst_buffer_set_caps (GST_BUFFER (buffer), GST_PAD_CAPS (mpeg_dec->src)); gst_buffer_set_caps (GST_BUFFER (buffer), GST_PAD_CAPS (mpeg_dec->src));
GST_DEBUG_OBJECT (mpeg_dec, GST_DEBUG_OBJECT (mpeg_dec,
@ -356,6 +366,8 @@ gst_vdp_mpeg_decoder_decode (GstVdpMpegDecoder * mpeg_dec,
GST_BUFFER_TIMESTAMP (outbuf) = timestamp; GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
GST_BUFFER_DURATION (outbuf) = mpeg_dec->duration; GST_BUFFER_DURATION (outbuf) = mpeg_dec->duration;
GST_BUFFER_OFFSET (outbuf) = mpeg_dec->frame_nr; GST_BUFFER_OFFSET (outbuf) = mpeg_dec->frame_nr;
GST_BUFFER_SIZE (outbuf) = mpeg_dec->size;
if (info->top_field_first) if (info->top_field_first)
GST_BUFFER_FLAG_SET (outbuf, GST_VIDEO_BUFFER_TFF); GST_BUFFER_FLAG_SET (outbuf, GST_VIDEO_BUFFER_TFF);
@ -575,6 +587,9 @@ gst_vdp_mpeg_decoder_reset (GstVdpMpegDecoder * mpeg_dec)
gst_segment_init (&mpeg_dec->segment, GST_FORMAT_TIME); gst_segment_init (&mpeg_dec->segment, GST_FORMAT_TIME);
mpeg_dec->seeking = FALSE; mpeg_dec->seeking = FALSE;
mpeg_dec->accumulated_size = 0;
mpeg_dec->accumulated_duration = 0;
} }
static GstFlowReturn static GstFlowReturn
@ -592,6 +607,7 @@ gst_vdp_mpeg_decoder_chain (GstPad * pad, GstBuffer * buffer)
gst_vdp_mpeg_decoder_flush (mpeg_dec); gst_vdp_mpeg_decoder_flush (mpeg_dec);
} }
mpeg_dec->size = GST_BUFFER_SIZE (buffer);
gst_vdp_mpeg_packetizer_init (&packetizer, buffer); gst_vdp_mpeg_packetizer_init (&packetizer, buffer);
while ((buf = gst_vdp_mpeg_packetizer_get_next_packet (&packetizer))) { while ((buf = gst_vdp_mpeg_packetizer_get_next_packet (&packetizer))) {
GstBitReader b_reader = GST_BIT_READER_INIT_FROM_BUFFER (buf); GstBitReader b_reader = GST_BIT_READER_INIT_FROM_BUFFER (buf);

34
sys/vdpau/gstvdpmpegdecoder.h
View file

@ -42,34 +42,44 @@ struct _GstVdpMpegDecoder
{ {
GstElement element; GstElement element;
gchar *display_name; /* pads */
GstVdpDevice *device;
GstPad *src; GstPad *src;
GstPad *sink; GstPad *sink;
gchar *display_name;
GstVdpDevice *device;
VdpDecoder decoder;
/* stream info */
gint width, height; gint width, height;
gint fps_n, fps_d; gint fps_n, fps_d;
gboolean interlaced; gboolean interlaced;
gint version; gint version;
VdpDecoder decoder; /* currently decoded frame info */
GstAdapter *adapter;
VdpPictureInfoMPEG1Or2 vdp_info; VdpPictureInfoMPEG1Or2 vdp_info;
guint64 size;
guint64 frame_nr;
GstClockTime duration;
/* frame_nr from GOP */
guint64 gop_frame;
/* forward and backward reference */
GstBuffer *f_buffer; GstBuffer *f_buffer;
GstBuffer *b_buffer; GstBuffer *b_buffer;
GstClockTime duration; /* calculated timestamp, size and duration */
GstClockTime next_timestamp; GstClockTime next_timestamp;
guint64 accumulated_size;
guint64 accumulated_duration;
guint64 gop_frame; /* seek data */
guint64 frame_nr;
GstSegment segment; GstSegment segment;
gboolean seeking; gboolean seeking;
gint64 byterate; gint64 byterate;
GstAdapter *adapter;
}; };
struct _GstVdpMpegDecoderClass struct _GstVdpMpegDecoderClass