/* * gstvaapidecoder_priv.h - VA decoder abstraction (private definitions) * * Copyright (C) 2010-2011 Splitted-Desktop Systems * Author: Gwenole Beauchesne * Copyright (C) 2011-2014 Intel Corporation * Author: Gwenole Beauchesne * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation; either version 2.1 * of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301 USA */ #ifndef GST_VAAPI_DECODER_PRIV_H #define GST_VAAPI_DECODER_PRIV_H #include #include #include #include #include "gstvaapiminiobject.h" G_BEGIN_DECLS #define GST_VAAPI_DECODER_CAST(decoder) \ ((GstVaapiDecoder *)(decoder)) #define GST_VAAPI_DECODER_CLASS(klass) \ ((GstVaapiDecoderClass *)(klass)) #define GST_VAAPI_IS_DECODER_CLASS(klass) \ ((klass) != NULL)) #define GST_VAAPI_DECODER_GET_CLASS(obj) \ GST_VAAPI_DECODER_CLASS(GST_VAAPI_MINI_OBJECT_GET_CLASS(obj)) typedef struct _GstVaapiDecoderClass GstVaapiDecoderClass; struct _GstVaapiDecoderUnit; /** * GST_VAAPI_PARSER_STATE: * @decoder: a #GstVaapiDecoder * * Macro that evaluates to the #GstVaapiParserState of @decoder. * This is an internal macro that does not do any run-time type check. */ #undef GST_VAAPI_PARSER_STATE #define GST_VAAPI_PARSER_STATE(decoder) \ (&GST_VAAPI_DECODER_CAST(decoder)->parser_state) /** * GST_VAAPI_DECODER_DISPLAY: * @decoder: a #GstVaapiDecoder * * Macro that evaluates to the #GstVaapiDisplay of @decoder. * This is an internal macro that does not do any run-time type check. */ #undef GST_VAAPI_DECODER_DISPLAY #define GST_VAAPI_DECODER_DISPLAY(decoder) \ GST_VAAPI_DECODER_CAST(decoder)->display /** * GST_VAAPI_DECODER_CONTEXT: * @decoder: a #GstVaapiDecoder * * Macro that evaluates to the #GstVaapiContext of @decoder. * This is an internal macro that does not do any run-time type check. */ #undef GST_VAAPI_DECODER_CONTEXT #define GST_VAAPI_DECODER_CONTEXT(decoder) \ GST_VAAPI_DECODER_CAST(decoder)->context /** * GST_VAAPI_DECODER_CODEC: * @decoder: a #GstVaapiDecoder * * Macro that evaluates to the #GstVaapiCodec of @decoder. * This is an internal macro that does not do any run-time type check. */ #undef GST_VAAPI_DECODER_CODEC #define GST_VAAPI_DECODER_CODEC(decoder) \ GST_VAAPI_DECODER_CAST(decoder)->codec /** * GST_VAAPI_DECODER_CODEC_STATE: * @decoder: a #GstVaapiDecoder * * Macro that evaluates to the #GstVideoCodecState holding codec state * for @decoder. * This is an internal macro that does not do any run-time type check. */ #undef GST_VAAPI_DECODER_CODEC_STATE #define GST_VAAPI_DECODER_CODEC_STATE(decoder) \ GST_VAAPI_DECODER_CAST(decoder)->codec_state /** * GST_VAAPI_DECODER_CODEC_DATA: * @decoder: a #GstVaapiDecoder * * Macro that evaluates to the #GstBuffer holding optional codec data * for @decoder. * This is an internal macro that does not do any run-time type check. */ #undef GST_VAAPI_DECODER_CODEC_DATA #define GST_VAAPI_DECODER_CODEC_DATA(decoder) \ GST_VAAPI_DECODER_CODEC_STATE(decoder)->codec_data /** * GST_VAAPI_DECODER_CODEC_FRAME: * @decoder: a #GstVaapiDecoder * * Macro that evaluates to the #GstVideoCodecFrame holding decoder * units for the current frame. * This is an internal macro that does not do any run-time type check. */ #undef GST_VAAPI_DECODER_CODEC_FRAME #define GST_VAAPI_DECODER_CODEC_FRAME(decoder) \ GST_VAAPI_PARSER_STATE(decoder)->current_frame /** * GST_VAAPI_DECODER_WIDTH: * @decoder: a #GstVaapiDecoder * * Macro that evaluates to the coded width of the picture * This is an internal macro that does not do any run-time type check. */ #undef GST_VAAPI_DECODER_WIDTH #define GST_VAAPI_DECODER_WIDTH(decoder) \ GST_VAAPI_DECODER_CODEC_STATE(decoder)->info.width /** * GST_VAAPI_DECODER_HEIGHT: * @decoder: a #GstVaapiDecoder * * Macro that evaluates to the coded height of the picture * This is an internal macro that does not do any run-time type check. */ #undef GST_VAAPI_DECODER_HEIGHT #define GST_VAAPI_DECODER_HEIGHT(decoder) \ GST_VAAPI_DECODER_CODEC_STATE(decoder)->info.height /* End-of-Stream buffer */ #define GST_BUFFER_FLAG_EOS (GST_BUFFER_FLAG_LAST + 0) #define GST_BUFFER_IS_EOS(buffer) \ GST_BUFFER_FLAG_IS_SET(buffer, GST_BUFFER_FLAG_EOS) #define GST_VAAPI_DECODER_GET_PRIVATE(obj) \ (G_TYPE_INSTANCE_GET_PRIVATE((obj), \ GST_VAAPI_TYPE_DECODER, \ GstVaapiDecoderPrivate)) typedef enum { GST_VAAPI_DECODER_STATUS_DROP_FRAME = -2 } GstVaapiDecoderStatusPrivate; typedef struct _GstVaapiParserState GstVaapiParserState; struct _GstVaapiParserState { GstVideoCodecFrame *current_frame; guint32 current_frame_number; GstAdapter *current_adapter; GstAdapter *input_adapter; gint input_offset1; gint input_offset2; GstAdapter *output_adapter; GstVaapiDecoderUnit next_unit; guint next_unit_pending : 1; guint at_eos : 1; }; /** * GstVaapiDecoder: * * A VA decoder base instance. */ struct _GstVaapiDecoder { /*< private >*/ GstVaapiMiniObject parent_instance; gpointer user_data; GstVaapiDisplay *display; VADisplay va_display; GstVaapiContext *context; VAContextID va_context; GstVaapiCodec codec; GstVideoCodecState *codec_state; GAsyncQueue *buffers; GAsyncQueue *frames; GstVaapiParserState parser_state; GstVaapiDecoderStateChangedFunc codec_state_changed_func; gpointer codec_state_changed_data; }; /** * GstVaapiDecoderClass: * * A VA decoder base class. */ struct _GstVaapiDecoderClass { /*< private >*/ GstVaapiMiniObjectClass parent_class; gboolean (*create)(GstVaapiDecoder *decoder); void (*destroy)(GstVaapiDecoder *decoder); GstVaapiDecoderStatus (*parse)(GstVaapiDecoder *decoder, GstAdapter *adapter, gboolean at_eos, struct _GstVaapiDecoderUnit *unit); GstVaapiDecoderStatus (*decode)(GstVaapiDecoder *decoder, struct _GstVaapiDecoderUnit *unit); GstVaapiDecoderStatus (*start_frame)(GstVaapiDecoder *decoder, struct _GstVaapiDecoderUnit *unit); GstVaapiDecoderStatus (*end_frame)(GstVaapiDecoder *decoder); GstVaapiDecoderStatus (*flush)(GstVaapiDecoder *decoder); GstVaapiDecoderStatus (*decode_codec_data)(GstVaapiDecoder *decoder, const guchar *buf, guint buf_size); }; G_GNUC_INTERNAL GstVaapiDecoder * gst_vaapi_decoder_new(const GstVaapiDecoderClass *klass, GstVaapiDisplay *display, GstCaps *caps); G_GNUC_INTERNAL void gst_vaapi_decoder_finalize(GstVaapiDecoder *decoder); G_GNUC_INTERNAL void gst_vaapi_decoder_set_picture_size( GstVaapiDecoder *decoder, guint width, guint height ); G_GNUC_INTERNAL void gst_vaapi_decoder_set_framerate( GstVaapiDecoder *decoder, guint fps_n, guint fps_d ); G_GNUC_INTERNAL void gst_vaapi_decoder_set_pixel_aspect_ratio( GstVaapiDecoder *decoder, guint par_n, guint par_d ); G_GNUC_INTERNAL void gst_vaapi_decoder_set_interlace_mode(GstVaapiDecoder *decoder, GstVideoInterlaceMode mode); G_GNUC_INTERNAL void gst_vaapi_decoder_set_interlaced(GstVaapiDecoder *decoder, gboolean interlaced); G_GNUC_INTERNAL gboolean gst_vaapi_decoder_ensure_context( GstVaapiDecoder *decoder, GstVaapiContextInfo *cip ); G_GNUC_INTERNAL void gst_vaapi_decoder_push_frame(GstVaapiDecoder *decoder, GstVideoCodecFrame *frame); G_GNUC_INTERNAL GstVaapiDecoderStatus gst_vaapi_decoder_check_status(GstVaapiDecoder *decoder); G_GNUC_INTERNAL GstVaapiDecoderStatus gst_vaapi_decoder_decode_codec_data(GstVaapiDecoder *decoder); G_END_DECLS #endif /* GST_VAAPI_DECODER_PRIV_H */