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vaapidecode: Derive and save the decoded surface format

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After the decoding of first frame, try to extract the exact
decoded surface format using vaDeriveImage and keep this
as the format in decoded_info.

https://bugzilla.gnome.org/show_bug.cgi?id=753914
This commit is contained in:
Sreerenj Balachandran 2016-03-24 15:09:15 +02:00
parent 859a2b2f4f
commit 6b17ed9060
1 changed files with 9 additions and 13 deletions
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22
gst/vaapi/gstvaapidecode.c
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@ -309,11 +309,9 @@ static gboolean
is_surface_resolution_changed (GstVaapiDecode * decode,
GstVaapiSurface * surface)
{
GstVideoDecoder *const vdec = GST_VIDEO_DECODER (decode);
GstVideoInfo *vinfo = &decode->decoded_info;
GstVideoFormat format = GST_VIDEO_FORMAT_ENCODED;
GstVideoFormat format = GST_VIDEO_FORMAT_UNKNOWN;
guint surface_width, surface_height;
GstVideoCodecState *state;
g_return_val_if_fail (surface != NULL, FALSE);
@ -323,12 +321,13 @@ is_surface_resolution_changed (GstVaapiDecode * decode,
&& GST_VIDEO_INFO_HEIGHT (vinfo) == surface_height)
return FALSE;
state = gst_video_decoder_get_output_state (vdec);
if (state) {
/* Fixme: Get exact surface format usings gst_vaapi_surface_get_format () */
format = GST_VIDEO_INFO_FORMAT (&state->info);
gst_video_codec_state_unref (state);
}
/* doing gst_vaapi_surface_get_format() only if necessary since it execute
* vaDeriveImage in the backgrorund . This will usually get executed only once */
format =
(GST_VIDEO_INFO_FORMAT (vinfo) ==
GST_VIDEO_FORMAT_UNKNOWN) ? gst_vaapi_surface_get_format (surface) :
GST_VIDEO_INFO_FORMAT (vinfo);
gst_video_info_set_format (vinfo, format, surface_width, surface_height);
return TRUE;
@ -340,9 +339,9 @@ is_display_resolution_changed (GstVaapiDecode * decode,
const GstVaapiRectangle * crop_rect)
{
GstVideoDecoder *const vdec = GST_VIDEO_DECODER (decode);
GstVideoFormat format = GST_VIDEO_FORMAT_ENCODED;
GstVideoCodecState *state;
GstVideoInfo *vinfo;
GstVideoFormat format = GST_VIDEO_INFO_FORMAT (&decode->decoded_info);
guint display_width = GST_VIDEO_INFO_WIDTH (&decode->decoded_info);
guint display_height = GST_VIDEO_INFO_HEIGHT (&decode->decoded_info);
@ -360,9 +359,6 @@ is_display_resolution_changed (GstVaapiDecode * decode,
decode->display_info = *vinfo;
if (!crop_rect) {
display_width = GST_VIDEO_INFO_WIDTH (&decode->decoded_info);
display_height = GST_VIDEO_INFO_HEIGHT (&decode->decoded_info);
if (G_UNLIKELY (display_width !=
GST_VIDEO_INFO_WIDTH (&decode->display_info)
|| display_height != GST_VIDEO_INFO_HEIGHT (&decode->display_info)))