#include "libavutil/channel_layout.h"
#include "libavutil/dict.h"
#include "libavutil/frame.h"
+#include "libavutil/hwcontext.h"
#include "libavutil/log.h"
#include "libavutil/pixfmt.h"
#include "libavutil/rational.h"
const char *name; ///< short name for the profile
} AVProfile;
+enum {
+ /**
+ * The codec supports this format via the hw_device_ctx interface.
+ *
+ * When selecting this format, AVCodecContext.hw_device_ctx should
+ * have been set to a device of the specified type before calling
+ * avcodec_open2().
+ */
+ AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX = 0x01,
+ /**
+ * The codec supports this format via the hw_frames_ctx interface.
+ *
+ * When selecting this format for a decoder,
+ * AVCodecContext.hw_frames_ctx should be set to a suitable frames
+ * context inside the get_format() callback. The frames context
+ * must have been created on a device of the specified type.
+ */
+ AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX = 0x02,
+ /**
+ * The codec supports this format by some internal method.
+ *
+ * This format can be selected without any additional configuration -
+ * no device or frames context is required.
+ */
+ AV_CODEC_HW_CONFIG_METHOD_INTERNAL = 0x04,
+ /**
+ * The codec supports this format by some ad-hoc method.
+ *
+ * Additional settings and/or function calls are required. See the
+ * codec-specific documentation for details. (Methods requiring
+ * this sort of configuration are deprecated and others should be
+ * used in preference.)
+ */
+ AV_CODEC_HW_CONFIG_METHOD_AD_HOC = 0x08,
+};
+
+typedef struct AVCodecHWConfig {
+ /**
+ * A hardware pixel format which the codec can use.
+ */
+ enum AVPixelFormat pix_fmt;
+ /**
+ * Bit set of AV_CODEC_HW_CONFIG_METHOD_* flags, describing the possible
+ * setup methods which can be used with this configuration.
+ */
+ int methods;
+ /**
+ * The device type associated with the configuration.
+ *
+ * Must be set for AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX and
+ * AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX, otherwise unused.
+ */
+ enum AVHWDeviceType device_type;
+} AVCodecHWConfig;
+
typedef struct AVCodecDefault AVCodecDefault;
struct AVSubtitle;
* packets before decoding.
*/
const char *bsfs;
+
+ /**
+ * Array of pointers to hardware configurations supported by the codec,
+ * or NULL if no hardware supported. The array is terminated by a NULL
+ * pointer.
+ *
+ * The user can only access this field via avcodec_get_hw_config().
+ */
+ const struct AVCodecHWConfigInternal **hw_configs;
} AVCodec;
#if FF_API_CODEC_GET_SET
struct MpegEncContext;
+/**
+ * Retrieve supported hardware configurations for a codec.
+ *
+ * Values of index from zero to some maximum return the indexed configuration
+ * descriptor; all other values return NULL. If the codec does not support
+ * any hardware configurations then it will always return NULL.
+ */
+const AVCodecHWConfig *avcodec_get_hw_config(const AVCodec *codec, int index);
+
/**
* @defgroup lavc_hwaccel AVHWAccel
* @{
#ifndef AVCODEC_HWACCEL_H
#define AVCODEC_HWACCEL_H
+#include "avcodec.h"
+
+
#define HWACCEL_CAP_ASYNC_SAFE (1 << 0)
+
+typedef struct AVCodecHWConfigInternal {
+ /**
+ * This is the structure which will be returned to the user by
+ * avcodec_get_hw_config().
+ */
+ AVCodecHWConfig public;
+ /**
+ * If this configuration uses a hwaccel, a pointer to it.
+ * If not, NULL.
+ */
+ const AVHWAccel *hwaccel;
+} AVCodecHWConfigInternal;
+
+
#endif /* AVCODEC_HWACCEL_H */