mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-24 02:31:03 +00:00
Add VA decoder helpers.
This commit is contained in:
Gwenole Beauchesne
parent
a93c1c076b
commit
3360f7f3e3
2 changed files with 406 additions and 2 deletions
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@ -26,7 +26,6 @@
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*/
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#include "config.h"
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#include <assert.h>
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#include <string.h>
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#include "gstvaapicompat.h"
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#include "gstvaapidecoder.h"
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@ -44,6 +43,7 @@ enum {
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PROP_DISPLAY,
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PROP_CAPS,
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PROP_CODEC_INFO,
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};
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static void
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@ -202,6 +202,20 @@ set_caps(GstVaapiDecoder *decoder, GstCaps *caps)
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set_codec_data(decoder, gst_value_get_buffer(v_codec_data));
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}
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static inline void
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set_codec_info(GstVaapiDecoder *decoder, GstVaapiCodecInfo *codec_info)
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{
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GstVaapiDecoderPrivate * const priv = decoder->priv;
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if (codec_info) {
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priv->codec_info = *codec_info;
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if (!priv->codec_info.pic_size)
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priv->codec_info.pic_size = sizeof(GstVaapiPicture);
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if (!priv->codec_info.slice_size)
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priv->codec_info.slice_size = sizeof(GstVaapiSlice);
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}
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}
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static void
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clear_queue(GQueue *q, GDestroyNotify destroy)
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{
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@ -225,6 +239,7 @@ gst_vaapi_decoder_finalize(GObject *object)
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if (priv->context) {
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g_object_unref(priv->context);
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priv->context = NULL;
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priv->va_context = VA_INVALID_ID;
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}
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if (priv->buffers) {
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@ -242,6 +257,7 @@ gst_vaapi_decoder_finalize(GObject *object)
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if (priv->display) {
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g_object_unref(priv->display);
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priv->display = NULL;
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priv->va_display = NULL;
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}
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G_OBJECT_CLASS(gst_vaapi_decoder_parent_class)->finalize(object);
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@ -261,10 +277,17 @@ gst_vaapi_decoder_set_property(
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switch (prop_id) {
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case PROP_DISPLAY:
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priv->display = g_object_ref(g_value_get_object(value));
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if (priv->display)
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priv->va_display = gst_vaapi_display_get_display(priv->display);
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else
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priv->va_display = NULL;
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break;
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case PROP_CAPS:
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set_caps(decoder, g_value_get_pointer(value));
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break;
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case PROP_CODEC_INFO:
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set_codec_info(decoder, g_value_get_pointer(value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
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break;
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@ -326,6 +349,14 @@ gst_vaapi_decoder_class_init(GstVaapiDecoderClass *klass)
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"Decoder caps",
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"The decoder caps",
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G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property
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(object_class,
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PROP_CODEC_INFO,
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g_param_spec_pointer("codec-info",
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"Codec info",
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"The codec info",
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G_PARAM_WRITABLE|G_PARAM_CONSTRUCT_ONLY));
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}
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static void
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@ -334,7 +365,10 @@ gst_vaapi_decoder_init(GstVaapiDecoder *decoder)
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GstVaapiDecoderPrivate *priv = GST_VAAPI_DECODER_GET_PRIVATE(decoder);
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decoder->priv = priv;
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priv->display = NULL;
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priv->va_display = NULL;
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priv->context = NULL;
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priv->va_context = VA_INVALID_ID;
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priv->caps = NULL;
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priv->codec = 0;
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priv->codec_data = NULL;
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@ -527,7 +561,11 @@ gst_vaapi_decoder_ensure_context(
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width,
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height
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);
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return priv->context != NULL;
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if (!priv->context)
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return FALSE;
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priv->va_context = gst_vaapi_context_get_id(priv->context);
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return TRUE;
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}
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gboolean
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@ -573,3 +611,281 @@ gst_vaapi_decoder_push_surface_proxy(
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{
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return push_surface(decoder, g_object_ref(proxy), timestamp);
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}
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static void
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destroy_iq_matrix(GstVaapiDecoder *decoder, GstVaapiIqMatrix *iq_matrix);
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static void
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destroy_slice(GstVaapiDecoder *decoder, GstVaapiSlice *slice);
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static void
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destroy_slice_cb(gpointer data, gpointer user_data)
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{
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GstVaapiDecoder * const decoder = GST_VAAPI_DECODER(user_data);
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GstVaapiSlice * const slice = data;
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destroy_slice(decoder, slice);
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}
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static void
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destroy_picture(GstVaapiDecoder *decoder, GstVaapiPicture *picture)
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{
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GstVaapiDecoderPrivate * const priv = decoder->priv;
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if (picture->slices) {
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g_ptr_array_foreach(picture->slices, destroy_slice_cb, decoder);
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g_ptr_array_free(picture->slices, TRUE);
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picture->slices = NULL;
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}
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if (picture->iq_matrix) {
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destroy_iq_matrix(decoder, picture->iq_matrix);
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picture->iq_matrix = NULL;
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}
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picture->surface = NULL;
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picture->surface_id = VA_INVALID_ID;
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vaapi_destroy_buffer(priv->va_display, &picture->param_id);
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picture->param = NULL;
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g_slice_free1(priv->codec_info.pic_size, picture);
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}
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static GstVaapiPicture *
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create_picture(GstVaapiDecoder *decoder)
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{
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GstVaapiDecoderPrivate * const priv = decoder->priv;
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GstVaapiPicture *picture;
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picture = g_slice_alloc(priv->codec_info.pic_size);
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if (!picture)
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return NULL;
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picture->type = GST_VAAPI_PICTURE_TYPE_NONE;
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picture->flags = 0;
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picture->surface_id = VA_INVALID_ID;
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picture->surface = NULL;
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picture->param_id = VA_INVALID_ID;
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picture->param = NULL;
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picture->slices = NULL;
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picture->iq_matrix = NULL;
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picture->pts = GST_CLOCK_TIME_NONE;
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picture->surface = gst_vaapi_context_get_surface(priv->context);
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if (!picture->surface)
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goto error;
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picture->surface_id = gst_vaapi_surface_get_id(picture->surface);
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picture->param = vaapi_create_buffer(
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priv->va_display,
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priv->va_context,
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VAPictureParameterBufferType,
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priv->codec_info.pic_param_size,
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&picture->param_id
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);
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if (!picture->param)
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goto error;
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picture->slices = g_ptr_array_new();
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if (!picture->slices)
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goto error;
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return picture;
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error:
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destroy_picture(priv->va_display, picture);
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return NULL;
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}
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GstVaapiPicture *
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gst_vaapi_decoder_new_picture(GstVaapiDecoder *decoder)
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{
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return create_picture(decoder);
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}
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void
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gst_vaapi_decoder_free_picture(GstVaapiDecoder *decoder, GstVaapiPicture *picture)
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{
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destroy_picture(decoder, picture);
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}
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static void
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destroy_iq_matrix(GstVaapiDecoder *decoder, GstVaapiIqMatrix *iq_matrix)
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{
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GstVaapiDecoderPrivate * const priv = decoder->priv;
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vaapi_destroy_buffer(priv->va_display, &iq_matrix->param_id);
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iq_matrix->param = NULL;
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g_slice_free(GstVaapiIqMatrix, iq_matrix);
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}
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static GstVaapiIqMatrix *
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create_iq_matrix(GstVaapiDecoder *decoder)
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{
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GstVaapiDecoderPrivate * const priv = decoder->priv;
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GstVaapiIqMatrix *iq_matrix;
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iq_matrix = g_slice_new(GstVaapiIqMatrix);
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if (!iq_matrix)
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return NULL;
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iq_matrix->param_id = VA_INVALID_ID;
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iq_matrix->param = vaapi_create_buffer(
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priv->va_display,
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priv->va_context,
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VAIQMatrixBufferType,
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priv->codec_info.iq_matrix_size,
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&iq_matrix->param_id
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);
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if (!iq_matrix->param)
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goto error;
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return iq_matrix;
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error:
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destroy_iq_matrix(decoder, iq_matrix);
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return NULL;
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}
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GstVaapiIqMatrix *
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gst_vaapi_decoder_new_iq_matrix(GstVaapiDecoder *decoder)
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{
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return create_iq_matrix(decoder);
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}
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static void
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destroy_slice(GstVaapiDecoder *decoder, GstVaapiSlice *slice)
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{
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GstVaapiDecoderPrivate * const priv = decoder->priv;
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vaapi_destroy_buffer(priv->va_display, &slice->data_id);
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vaapi_destroy_buffer(priv->va_display, &slice->param_id);
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slice->param = NULL;
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g_slice_free1(priv->codec_info.slice_size, slice);
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}
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static GstVaapiSlice *
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create_slice(GstVaapiDecoder *decoder, guchar *buf, guint buf_size)
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{
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GstVaapiDecoderPrivate * const priv = decoder->priv;
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GstVaapiSlice *slice;
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VASliceParameterBufferBase *slice_param;
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guchar *data;
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slice = g_slice_alloc(priv->codec_info.slice_size);
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if (!slice)
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return NULL;
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slice->data_id = VA_INVALID_ID;
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slice->param_id = VA_INVALID_ID;
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data = vaapi_create_buffer(
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priv->va_display,
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priv->va_context,
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VASliceDataBufferType,
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buf_size,
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&slice->data_id
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);
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if (!data)
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goto error;
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memcpy(data, buf, buf_size);
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vaapi_unmap_buffer(priv->va_display, slice->data_id, NULL);
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slice->param = vaapi_create_buffer(
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priv->va_display,
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priv->va_context,
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VASliceParameterBufferType,
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priv->codec_info.slice_param_size,
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&slice->param_id
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);
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if (!slice->param)
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goto error;
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slice_param = slice->param;
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slice_param->slice_data_size = buf_size;
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slice_param->slice_data_offset = 0;
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slice_param->slice_data_flag = VA_SLICE_DATA_FLAG_ALL;
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return slice;
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error:
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destroy_slice(decoder, slice);
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return NULL;
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}
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GstVaapiSlice *
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gst_vaapi_decoder_new_slice(
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GstVaapiDecoder *decoder,
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GstVaapiPicture *picture,
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guchar *buf,
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guint buf_size
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)
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{
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GstVaapiSlice *slice;
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slice = create_slice(decoder, buf, buf_size);
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if (!slice)
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return NULL;
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g_ptr_array_add(picture->slices, slice);
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return slice;
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}
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gboolean
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gst_vaapi_decoder_decode_picture(
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GstVaapiDecoder *decoder,
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GstVaapiPicture *picture
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)
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{
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GstVaapiDecoderPrivate * const priv = decoder->priv;
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GstVaapiIqMatrix * const iq_matrix = picture->iq_matrix;
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GstVaapiSlice *slice;
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VABufferID va_buffers[3];
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guint i, n_va_buffers = 0;
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VAStatus status;
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GST_DEBUG("decode picture 0x%08x", gst_vaapi_surface_get_id(picture->surface));
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vaapi_unmap_buffer(priv->va_display, picture->param_id, &picture->param);
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va_buffers[n_va_buffers++] = picture->param_id;
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if (iq_matrix) {
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vaapi_unmap_buffer(priv->va_display, iq_matrix->param_id, &iq_matrix->param);
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va_buffers[n_va_buffers++] = iq_matrix->param_id;
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}
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status = vaBeginPicture(
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priv->va_display,
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priv->va_context,
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picture->surface_id
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);
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if (!vaapi_check_status(status, "vaBeginPicture()"))
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return FALSE;
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status = vaRenderPicture(
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priv->va_display,
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priv->va_context,
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va_buffers, n_va_buffers
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);
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if (!vaapi_check_status(status, "vaRenderPicture()"))
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return FALSE;
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for (i = 0; i < picture->slices->len; i++) {
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slice = g_ptr_array_index(picture->slices, i);
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vaapi_unmap_buffer(priv->va_display, slice->param_id, NULL);
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va_buffers[0] = slice->param_id;
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va_buffers[1] = slice->data_id;
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n_va_buffers = 2;
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status = vaRenderPicture(
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priv->va_display,
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priv->va_context,
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va_buffers, n_va_buffers
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);
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if (!vaapi_check_status(status, "vaRenderPicture()"))
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return FALSE;
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}
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status = vaEndPicture(priv->va_display, priv->va_context);
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if (!vaapi_check_status(status, "vaEndPicture()"))
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return FALSE;
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return TRUE;
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}
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|
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@ -108,12 +108,74 @@ G_BEGIN_DECLS
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GST_VAAPI_TYPE_DECODER, \
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GstVaapiDecoderPrivate))
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typedef enum _GstVaapiPictureType GstVaapiPictureType;
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typedef struct _GstVaapiCodecInfo GstVaapiCodecInfo;
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typedef struct _GstVaapiPicture GstVaapiPicture;
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typedef struct _GstVaapiSlice GstVaapiSlice;
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typedef struct _GstVaapiIqMatrix GstVaapiIqMatrix;
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enum _GstVaapiPictureType {
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GST_VAAPI_PICTURE_TYPE_NONE = 0, // Undefined
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GST_VAAPI_PICTURE_TYPE_I, // Intra
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GST_VAAPI_PICTURE_TYPE_P, // Predicted
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GST_VAAPI_PICTURE_TYPE_B, // Bi-directional predicted
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GST_VAAPI_PICTURE_TYPE_S, // S(GMC)-VOP (MPEG-4)
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GST_VAAPI_PICTURE_TYPE_SI, // Switching Intra
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GST_VAAPI_PICTURE_TYPE_SP, // Switching Predicted
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GST_VAAPI_PICTURE_TYPE_BI, // BI type (VC-1)
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};
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enum {
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GST_VAAPI_PICTURE_SKIPPED = 1 << 0, // Skipped frame
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GST_VAAPI_PICTURE_REFERENCE = 1 << 1, // Reference frame
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};
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#define GST_VAAPI_PICTURE(picture) \
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((GstVaapiPicture *)(picture))
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#define GST_VAAPI_PICTURE_IS_REFERENCE(picture) \
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((GST_VAAPI_PICTURE(picture)->flags & GST_VAAPI_PICTURE_REFERENCE) != 0)
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struct _GstVaapiCodecInfo {
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guint pic_size; // GstVaapiPicture size
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guint slice_size; // GstVaapiSlice size
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guint pic_param_size; // VAPictureParameterBuffer size
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guint slice_param_size; // VASliceParameterBuffer size
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guint iq_matrix_size; // VAIQMatrixBuffer size
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};
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struct _GstVaapiPicture {
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GstVaapiPictureType type;
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guint flags;
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VASurfaceID surface_id;
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GstVaapiSurface *surface;
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VABufferID param_id;
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void *param;
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GPtrArray *slices;
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GstVaapiIqMatrix *iq_matrix;
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GstClockTime pts;
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};
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struct _GstVaapiSlice {
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VABufferID param_id;
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void *param;
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VABufferID data_id;
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};
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struct _GstVaapiIqMatrix {
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VABufferID param_id;
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void *param;
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};
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struct _GstVaapiDecoderPrivate {
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GstVaapiDisplay *display;
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VADisplay va_display;
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GstVaapiContext *context;
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VAContextID va_context;
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GstCaps *caps;
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GstVaapiCodec codec;
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GstBuffer *codec_data;
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GstVaapiCodecInfo codec_info;
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guint width;
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guint height;
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guint fps_n;
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|
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@ -176,6 +238,32 @@ gst_vaapi_decoder_push_surface_proxy(
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GstClockTime timestamp
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) attribute_hidden;
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GstVaapiPicture *
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gst_vaapi_decoder_new_picture(GstVaapiDecoder *decoder)
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attribute_hidden;
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void
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gst_vaapi_decoder_free_picture(GstVaapiDecoder *decoder, GstVaapiPicture *picture)
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attribute_hidden;
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GstVaapiIqMatrix *
|
||||
gst_vaapi_decoder_new_iq_matrix(GstVaapiDecoder *decoder)
|
||||
attribute_hidden;
|
||||
|
||||
GstVaapiSlice *
|
||||
gst_vaapi_decoder_new_slice(
|
||||
GstVaapiDecoder *decoder,
|
||||
GstVaapiPicture *picture,
|
||||
guchar *buf,
|
||||
guint buf_size
|
||||
) attribute_hidden;
|
||||
|
||||
gboolean
|
||||
gst_vaapi_decoder_decode_picture(
|
||||
GstVaapiDecoder *decoder,
|
||||
GstVaapiPicture *picture
|
||||
) attribute_hidden;
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* GST_VAAPI_DECODER_PRIV_H */
|
||||
|
|
|
|||
Loading…
Reference in a new issue