mediacodecdec.c File Reference

#include "config_components.h"
#include <stdint.h>
#include <string.h>
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/pixfmt.h"
#include "libavutil/internal.h"
#include "avcodec.h"
#include "codec_internal.h"
#include "decode.h"
#include "h264_parse.h"
#include "h264_ps.h"
#include "hevc_parse.h"
#include "hwconfig.h"
#include "internal.h"
#include "jni.h"
#include "mediacodec_wrapper.h"
#include "mediacodecdec_common.h"

Go to the source code of this file.

Data Structures
struct	MediaCodecH264DecContext

Macros
#define	OFFSET(x)   offsetof(MediaCodecH264DecContext, x)
#define	VD   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
#define	DECLARE_MEDIACODEC_VCLASS(short_name)
#define	DECLARE_MEDIACODEC_VDEC(short_name, full_name, codec_id, bsf)

Functions
static av_cold int	mediacodec_decode_close (AVCodecContext *avctx)
static av_cold int	mediacodec_decode_init (AVCodecContext *avctx)
static int	mediacodec_receive_frame (AVCodecContext *avctx, AVFrame *frame)
static void	mediacodec_decode_flush (AVCodecContext *avctx)

Variables
static const AVCodecHWConfigInternal *const	mediacodec_hw_configs []
static const AVOption	ff_mediacodec_vdec_options []

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(MediaCodecH264DecContext, x)

Definition at line 548 of file mediacodecdec.c.

VD

#define VD   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM

Definition at line 549 of file mediacodecdec.c.

DECLARE_MEDIACODEC_VCLASS

#define DECLARE_MEDIACODEC_VCLASS

(

short_name

)

Value:

static const AVClass ff_##short_name##_mediacodec_dec_class = { \
    .class_name = #short_name "_mediacodec",                    \
    .item_name  = av_default_item_name,                         \
    .option     = ff_mediacodec_vdec_options,                   \
    .version    = LIBAVUTIL_VERSION_INT,                        \
};

Definition at line 558 of file mediacodecdec.c.

DECLARE_MEDIACODEC_VDEC

#define DECLARE_MEDIACODEC_VDEC	(		short_name,
			full_name,
			codec_id,
			bsf
	)

Value:

DECLARE_MEDIACODEC_VCLASS(short_name)                                                          \
const FFCodec ff_ ## short_name ## _mediacodec_decoder = {                                     \
    .p.name         = #short_name "_mediacodec",                                               \
    CODEC_LONG_NAME(full_name " Android MediaCodec decoder"),                                  \
    .p.type         = AVMEDIA_TYPE_VIDEO,                                                      \
    .p.id           = codec_id,                                                                \
    .p.priv_class   = &ff_##short_name##_mediacodec_dec_class,                                 \
    .priv_data_size = sizeof(MediaCodecH264DecContext),                                        \
    .init           = mediacodec_decode_init,                                                  \
    FF_CODEC_RECEIVE_FRAME_CB(mediacodec_receive_frame),                                       \
    .flush          = mediacodec_decode_flush,                                                 \
    .close          = mediacodec_decode_close,                                                 \
    .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HARDWARE, \
    .caps_internal  = FF_CODEC_CAP_NOT_INIT_THREADSAFE,                                        \
    .bsfs           = bsf,                                                                     \
    .hw_configs     = mediacodec_hw_configs,                                                   \
    .p.wrapper_name = "mediacodec",                                                            \
};                                                                                             \

Definition at line 566 of file mediacodecdec.c.

Function Documentation

mediacodec_decode_close()

static av_cold int mediacodec_decode_close ( AVCodecContext *  avctx )

static

Definition at line 61 of file mediacodecdec.c.

Referenced by mediacodec_decode_init().

mediacodec_decode_init()

static av_cold int mediacodec_decode_init ( AVCodecContext *  avctx )

static

Definition at line 306 of file mediacodecdec.c.

mediacodec_receive_frame()

static int mediacodec_receive_frame ( AVCodecContext *  avctx, AVFrame *  frame  )

static

Definition at line 443 of file mediacodecdec.c.

mediacodec_decode_flush()

static void mediacodec_decode_flush ( AVCodecContext *  avctx )

static

Definition at line 526 of file mediacodecdec.c.

Variable Documentation

mediacodec_hw_configs

const AVCodecHWConfigInternal* const mediacodec_hw_configs[]

static

Initial value:

= {
    &(const AVCodecHWConfigInternal) {
        .public          = {
            .pix_fmt     = AV_PIX_FMT_MEDIACODEC,
            .methods     = AV_CODEC_HW_CONFIG_METHOD_AD_HOC |
                           AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX,
            .device_type = AV_HWDEVICE_TYPE_MEDIACODEC,
        },
        .hwaccel         = NULL,
    },
    NULL
}

Definition at line 535 of file mediacodecdec.c.

ff_mediacodec_vdec_options

const AVOption ff_mediacodec_vdec_options[]

static

Initial value:

= {
    { "delay_flush", "Delay flush until hw output buffers are returned to the decoder",
                     OFFSET(delay_flush), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, VD },
    { "ndk_codec", "Use MediaCodec from NDK",
                   OFFSET(use_ndk_codec), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VD },
    { NULL }
}

Definition at line 550 of file mediacodecdec.c.