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libs: display: Add a helper function to get profiles by codec.

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/-/merge_requests/349>
This commit is contained in:
He Junyan 2020-07-29 22:32:55 +08:00
parent 38db4bc15e
commit 65c8718f5e
2 changed files with 36 additions and 6 deletions
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38
gst-libs/gst/vaapi/gstvaapidisplay.c
View file

@ -326,7 +326,7 @@ compare_profiles (gconstpointer a, gconstpointer b)
/* Convert configs array to profiles as GstCaps */
static GArray *
get_profiles (GPtrArray * configs)
get_profiles (GPtrArray * configs, GstVaapiCodec codec)
{
GstVaapiProfileConfig *config;
GArray *out_profiles;
@ -341,7 +341,8 @@ get_profiles (GPtrArray * configs)
for (i = 0; i < configs->len; i++) {
config = g_ptr_array_index (configs, i);
g_array_append_val (out_profiles, config->profile);
if (!codec || (codec == gst_vaapi_profile_get_codec (config->profile)))
g_array_append_val (out_profiles, config->profile);
}
return out_profiles;
}
@ -1560,7 +1561,7 @@ gst_vaapi_display_has_video_processing (GstVaapiDisplay * display)
* reference to the resulting array of #GstVaapiProfile elements, so
* it shall be released with g_array_unref() after usage.
*
* Return value: a newly allocated #GArray, or %NULL or error or if
* Return value: a newly allocated #GArray, or %NULL if error or if
* decoding is not supported at all
*/
GArray *
@ -1570,7 +1571,7 @@ gst_vaapi_display_get_decode_profiles (GstVaapiDisplay * display)
if (!ensure_profiles (display))
return NULL;
return get_profiles (GST_VAAPI_DISPLAY_GET_PRIVATE (display)->decoders);
return get_profiles (GST_VAAPI_DISPLAY_GET_PRIVATE (display)->decoders, 0);
}
/**
@ -1604,7 +1605,7 @@ gst_vaapi_display_has_decoder (GstVaapiDisplay * display,
* reference to the resulting array of #GstVaapiProfile elements, so
* it shall be released with g_array_unref() after usage.
*
* Return value: a newly allocated #GArray, or %NULL or error or if
* Return value: a newly allocated #GArray, or %NULL if error or if
* encoding is not supported at all
*/
GArray *
@ -1614,7 +1615,32 @@ gst_vaapi_display_get_encode_profiles (GstVaapiDisplay * display)
if (!ensure_profiles (display))
return NULL;
return get_profiles (GST_VAAPI_DISPLAY_GET_PRIVATE (display)->encoders);
return get_profiles (GST_VAAPI_DISPLAY_GET_PRIVATE (display)->encoders, 0);
}
/**
* gst_vaapi_display_get_encode_profiles_by_codec:
* @display: a #GstVaapiDisplay
* @codec: a #GstVaapiCodec
*
* Gets the supported profiles which belongs to @codec for encoding.
* The caller owns an extra reference to the resulting array of
* #GstVaapiProfile elements, so it shall be released with g_array_unref()
* after usage.
*
* Return value: a newly allocated #GArray, or %NULL if error or if
* no encoding profile is found specified by the @codec.
*/
GArray *
gst_vaapi_display_get_encode_profiles_by_codec (GstVaapiDisplay * display,
GstVaapiCodec codec)
{
g_return_val_if_fail (display != NULL, NULL);
if (!ensure_profiles (display))
return NULL;
return get_profiles (GST_VAAPI_DISPLAY_GET_PRIVATE (display)->encoders,
codec);
}
/**

4
gst-libs/gst/vaapi/gstvaapidisplay.h
View file

@ -242,6 +242,10 @@ gst_vaapi_display_has_decoder (GstVaapiDisplay * display,
GArray *
gst_vaapi_display_get_encode_profiles (GstVaapiDisplay * display);
GArray *
gst_vaapi_display_get_encode_profiles_by_codec (GstVaapiDisplay * display,
GstVaapiCodec codec);
gboolean
gst_vaapi_display_has_encoder (GstVaapiDisplay * display,
GstVaapiProfile profile, GstVaapiEntrypoint entrypoint);