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Try to set correct timestamps to the decoded surface proxy.

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This commit is contained in:
gb 2010-04-29 14:28:43 +00:00 committed by Gwenole Beauchesne
parent a14711b935
commit bda32435c2
2 changed files with 36 additions and 5 deletions
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38
gst-libs/gst/vaapi/gstvaapidecoder.c
View file

@ -96,6 +96,30 @@ decoder_thread_cb(gpointer data)
return NULL;
}
static void
update_clock(GstVaapiDecoder *decoder, GstBuffer *buffer)
{
GstVaapiDecoderPrivate * const priv = decoder->priv;
GstClockTime timestamp, duration;
timestamp = GST_BUFFER_TIMESTAMP(buffer);
duration = GST_BUFFER_DURATION(buffer);
if (GST_CLOCK_TIME_IS_VALID(duration)) {
if (GST_CLOCK_TIME_IS_VALID(timestamp))
priv->surface_timestamp = timestamp;
priv->surface_duration = duration;
}
else {
/* Assumes those are user-generated buffers with no timestamp
or duration information. Try to rely on "framerate". */
if (!GST_CLOCK_TIME_IS_VALID(priv->surface_timestamp))
priv->surface_timestamp = 0;
priv->surface_duration =
gst_util_uint64_scale_int(GST_SECOND, priv->fps_d, priv->fps_n);
}
}
static inline void
init_buffer(GstBuffer *buffer, const guchar *buf, guint buf_size)
{
@ -174,8 +198,10 @@ pop_buffer(GstVaapiDecoder *decoder)
buffer = g_async_queue_pop(priv->buffers);
g_return_val_if_fail(buffer, NULL);
if (!GST_BUFFER_TIMESTAMP_IS_VALID(buffer))
GST_BUFFER_TIMESTAMP(buffer) = priv->next_ts;
GST_DEBUG("dequeue buffer %p for decoding (%d bytes)",
buffer, GST_BUFFER_SIZE(buffer));
update_clock(decoder, buffer);
return buffer;
}
@ -206,7 +232,10 @@ push_surface(GstVaapiDecoder *decoder, GstVaapiSurface *surface)
GST_DEBUG("queue decoded surface %" GST_VAAPI_ID_FORMAT,
GST_VAAPI_ID_ARGS(GST_VAAPI_OBJECT_ID(surface)));
ds->proxy = gst_vaapi_surface_proxy_new(priv->context, surface);
if (!ds->proxy)
if (ds->proxy)
gst_vaapi_surface_proxy_set_timestamp(
ds->proxy, priv->surface_timestamp);
else
status = GST_VAAPI_DECODER_STATUS_ERROR_ALLOCATION_FAILED;
}
ds->status = status;
@ -388,7 +417,8 @@ gst_vaapi_decoder_init(GstVaapiDecoder *decoder)
priv->codec_data = NULL;
priv->fps_n = 1000;
priv->fps_d = 30;
priv->next_ts = 0;
priv->surface_timestamp = GST_CLOCK_TIME_NONE;
priv->surface_duration = GST_CLOCK_TIME_NONE;
priv->buffers = g_async_queue_new();
priv->surfaces = g_async_queue_new();
priv->decoder_thread = NULL;

3
gst-libs/gst/vaapi/gstvaapidecoder_priv.h
View file

@ -93,9 +93,10 @@ struct _GstVaapiDecoderPrivate {
GstBuffer *codec_data;
guint fps_n;
guint fps_d;
GstClockTime next_ts;
GAsyncQueue *buffers;
GAsyncQueue *surfaces;
GstClockTime surface_timestamp;
GstClockTime surface_duration;
GThread *decoder_thread;
GstVaapiDecoderStatus decoder_status;
guint decoder_thread_cancel : 1;