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FFmpeg/libavcodec/mediacodec_wrapper.c

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/*
* Android MediaCodec Wrapper
*
* Copyright (c) 2015-2016 Matthieu Bouron <matthieu.bouron stupeflix.com>
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <dlfcn.h>
#include <jni.h>
#include <stdbool.h>
#include <media/NdkMediaFormat.h>
#include <media/NdkMediaCodec.h>
#include <android/native_window_jni.h>
#include "libavutil/avassert.h"
#include "libavutil/mem.h"
#include "libavutil/avstring.h"
#include "avcodec.h"
#include "ffjni.h"
#include "mediacodec_wrapper.h"
struct JNIAMediaCodecListFields {
jclass mediacodec_list_class;
jmethodID init_id;
jmethodID find_decoder_for_format_id;
jmethodID get_codec_count_id;
jmethodID get_codec_info_at_id;
jclass mediacodec_info_class;
jmethodID get_name_id;
jmethodID get_codec_capabilities_id;
jmethodID get_supported_types_id;
jmethodID is_encoder_id;
jmethodID is_software_only_id;
jclass codec_capabilities_class;
jfieldID color_formats_id;
jfieldID profile_levels_id;
jclass codec_profile_level_class;
jfieldID profile_id;
jfieldID level_id;
};
static const struct FFJniField jni_amediacodeclist_mapping[] = {
{ "android/media/MediaCodecList", NULL, NULL, FF_JNI_CLASS, offsetof(struct JNIAMediaCodecListFields, mediacodec_list_class), 1 },
{ "android/media/MediaCodecList", "<init>", "(I)V", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecListFields, init_id), 0 },
{ "android/media/MediaCodecList", "findDecoderForFormat", "(Landroid/media/MediaFormat;)Ljava/lang/String;", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecListFields, find_decoder_for_format_id), 0 },
{ "android/media/MediaCodecList", "getCodecCount", "()I", FF_JNI_STATIC_METHOD, offsetof(struct JNIAMediaCodecListFields, get_codec_count_id), 1 },
{ "android/media/MediaCodecList", "getCodecInfoAt", "(I)Landroid/media/MediaCodecInfo;", FF_JNI_STATIC_METHOD, offsetof(struct JNIAMediaCodecListFields, get_codec_info_at_id), 1 },
{ "android/media/MediaCodecInfo", NULL, NULL, FF_JNI_CLASS, offsetof(struct JNIAMediaCodecListFields, mediacodec_info_class), 1 },
{ "android/media/MediaCodecInfo", "getName", "()Ljava/lang/String;", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecListFields, get_name_id), 1 },
{ "android/media/MediaCodecInfo", "getCapabilitiesForType", "(Ljava/lang/String;)Landroid/media/MediaCodecInfo$CodecCapabilities;", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecListFields, get_codec_capabilities_id), 1 },
{ "android/media/MediaCodecInfo", "getSupportedTypes", "()[Ljava/lang/String;", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecListFields, get_supported_types_id), 1 },
{ "android/media/MediaCodecInfo", "isEncoder", "()Z", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecListFields, is_encoder_id), 1 },
{ "android/media/MediaCodecInfo", "isSoftwareOnly", "()Z", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecListFields, is_software_only_id), 0 },
{ "android/media/MediaCodecInfo$CodecCapabilities", NULL, NULL, FF_JNI_CLASS, offsetof(struct JNIAMediaCodecListFields, codec_capabilities_class), 1 },
{ "android/media/MediaCodecInfo$CodecCapabilities", "colorFormats", "[I", FF_JNI_FIELD, offsetof(struct JNIAMediaCodecListFields, color_formats_id), 1 },
{ "android/media/MediaCodecInfo$CodecCapabilities", "profileLevels", "[Landroid/media/MediaCodecInfo$CodecProfileLevel;", FF_JNI_FIELD, offsetof(struct JNIAMediaCodecListFields, profile_levels_id), 1 },
{ "android/media/MediaCodecInfo$CodecProfileLevel", NULL, NULL, FF_JNI_CLASS, offsetof(struct JNIAMediaCodecListFields, codec_profile_level_class), 1 },
{ "android/media/MediaCodecInfo$CodecProfileLevel", "profile", "I", FF_JNI_FIELD, offsetof(struct JNIAMediaCodecListFields, profile_id), 1 },
{ "android/media/MediaCodecInfo$CodecProfileLevel", "level", "I", FF_JNI_FIELD, offsetof(struct JNIAMediaCodecListFields, level_id), 1 },
{ NULL }
};
struct JNIAMediaFormatFields {
jclass mediaformat_class;
jmethodID init_id;
jmethodID contains_key_id;
jmethodID get_integer_id;
jmethodID get_long_id;
jmethodID get_float_id;
jmethodID get_bytebuffer_id;
jmethodID get_string_id;
jmethodID set_integer_id;
jmethodID set_long_id;
jmethodID set_float_id;
jmethodID set_bytebuffer_id;
jmethodID set_string_id;
jmethodID to_string_id;
};
static const struct FFJniField jni_amediaformat_mapping[] = {
{ "android/media/MediaFormat", NULL, NULL, FF_JNI_CLASS, offsetof(struct JNIAMediaFormatFields, mediaformat_class), 1 },
{ "android/media/MediaFormat", "<init>", "()V", FF_JNI_METHOD, offsetof(struct JNIAMediaFormatFields, init_id), 1 },
{ "android/media/MediaFormat", "containsKey", "(Ljava/lang/String;)Z", FF_JNI_METHOD,offsetof(struct JNIAMediaFormatFields, contains_key_id), 1 },
{ "android/media/MediaFormat", "getInteger", "(Ljava/lang/String;)I", FF_JNI_METHOD, offsetof(struct JNIAMediaFormatFields, get_integer_id), 1 },
{ "android/media/MediaFormat", "getLong", "(Ljava/lang/String;)J", FF_JNI_METHOD, offsetof(struct JNIAMediaFormatFields, get_long_id), 1 },
{ "android/media/MediaFormat", "getFloat", "(Ljava/lang/String;)F", FF_JNI_METHOD, offsetof(struct JNIAMediaFormatFields, get_float_id), 1 },
{ "android/media/MediaFormat", "getByteBuffer", "(Ljava/lang/String;)Ljava/nio/ByteBuffer;", FF_JNI_METHOD, offsetof(struct JNIAMediaFormatFields, get_bytebuffer_id), 1 },
{ "android/media/MediaFormat", "getString", "(Ljava/lang/String;)Ljava/lang/String;", FF_JNI_METHOD, offsetof(struct JNIAMediaFormatFields, get_string_id), 1 },
{ "android/media/MediaFormat", "setInteger", "(Ljava/lang/String;I)V", FF_JNI_METHOD, offsetof(struct JNIAMediaFormatFields, set_integer_id), 1 },
{ "android/media/MediaFormat", "setLong", "(Ljava/lang/String;J)V", FF_JNI_METHOD, offsetof(struct JNIAMediaFormatFields, set_long_id), 1 },
{ "android/media/MediaFormat", "setFloat", "(Ljava/lang/String;F)V", FF_JNI_METHOD, offsetof(struct JNIAMediaFormatFields, set_float_id), 1 },
{ "android/media/MediaFormat", "setByteBuffer", "(Ljava/lang/String;Ljava/nio/ByteBuffer;)V", FF_JNI_METHOD, offsetof(struct JNIAMediaFormatFields, set_bytebuffer_id), 1 },
{ "android/media/MediaFormat", "setString", "(Ljava/lang/String;Ljava/lang/String;)V", FF_JNI_METHOD, offsetof(struct JNIAMediaFormatFields, set_string_id), 1 },
{ "android/media/MediaFormat", "toString", "()Ljava/lang/String;", FF_JNI_METHOD, offsetof(struct JNIAMediaFormatFields, to_string_id), 1 },
{ NULL }
};
static const AVClass amediaformat_class = {
.class_name = "amediaformat",
.item_name = av_default_item_name,
.version = LIBAVUTIL_VERSION_INT,
};
typedef struct FFAMediaFormatJni {
FFAMediaFormat api;
struct JNIAMediaFormatFields jfields;
jobject object;
} FFAMediaFormatJni;
static const FFAMediaFormat media_format_jni;
struct JNIAMediaCodecFields {
jclass mediacodec_class;
jfieldID info_try_again_later_id;
jfieldID info_output_buffers_changed_id;
jfieldID info_output_format_changed_id;
jfieldID buffer_flag_codec_config_id;
jfieldID buffer_flag_end_of_stream_id;
jfieldID buffer_flag_key_frame_id;
jfieldID configure_flag_encode_id;
jmethodID create_by_codec_name_id;
jmethodID create_decoder_by_type_id;
jmethodID create_encoder_by_type_id;
jmethodID get_name_id;
jmethodID configure_id;
jmethodID start_id;
jmethodID flush_id;
jmethodID stop_id;
jmethodID release_id;
jmethodID get_output_format_id;
jmethodID dequeue_input_buffer_id;
jmethodID queue_input_buffer_id;
jmethodID get_input_buffer_id;
jmethodID get_input_buffers_id;
jmethodID dequeue_output_buffer_id;
jmethodID get_output_buffer_id;
jmethodID get_output_buffers_id;
jmethodID release_output_buffer_id;
jmethodID release_output_buffer_at_time_id;
jmethodID set_input_surface_id;
jmethodID signal_end_of_input_stream_id;
jclass mediainfo_class;
jmethodID init_id;
jfieldID flags_id;
jfieldID offset_id;
jfieldID presentation_time_us_id;
jfieldID size_id;
};
static const struct FFJniField jni_amediacodec_mapping[] = {
{ "android/media/MediaCodec", NULL, NULL, FF_JNI_CLASS, offsetof(struct JNIAMediaCodecFields, mediacodec_class), 1 },
{ "android/media/MediaCodec", "INFO_TRY_AGAIN_LATER", "I", FF_JNI_STATIC_FIELD, offsetof(struct JNIAMediaCodecFields, info_try_again_later_id), 1 },
{ "android/media/MediaCodec", "INFO_OUTPUT_BUFFERS_CHANGED", "I", FF_JNI_STATIC_FIELD, offsetof(struct JNIAMediaCodecFields, info_output_buffers_changed_id), 1 },
{ "android/media/MediaCodec", "INFO_OUTPUT_FORMAT_CHANGED", "I", FF_JNI_STATIC_FIELD, offsetof(struct JNIAMediaCodecFields, info_output_format_changed_id), 1 },
{ "android/media/MediaCodec", "BUFFER_FLAG_CODEC_CONFIG", "I", FF_JNI_STATIC_FIELD, offsetof(struct JNIAMediaCodecFields, buffer_flag_codec_config_id), 1 },
{ "android/media/MediaCodec", "BUFFER_FLAG_END_OF_STREAM", "I", FF_JNI_STATIC_FIELD, offsetof(struct JNIAMediaCodecFields, buffer_flag_end_of_stream_id), 1 },
{ "android/media/MediaCodec", "BUFFER_FLAG_KEY_FRAME", "I", FF_JNI_STATIC_FIELD, offsetof(struct JNIAMediaCodecFields, buffer_flag_key_frame_id), 0 },
{ "android/media/MediaCodec", "CONFIGURE_FLAG_ENCODE", "I", FF_JNI_STATIC_FIELD, offsetof(struct JNIAMediaCodecFields, configure_flag_encode_id), 1 },
{ "android/media/MediaCodec", "createByCodecName", "(Ljava/lang/String;)Landroid/media/MediaCodec;", FF_JNI_STATIC_METHOD, offsetof(struct JNIAMediaCodecFields, create_by_codec_name_id), 1 },
{ "android/media/MediaCodec", "createDecoderByType", "(Ljava/lang/String;)Landroid/media/MediaCodec;", FF_JNI_STATIC_METHOD, offsetof(struct JNIAMediaCodecFields, create_decoder_by_type_id), 1 },
{ "android/media/MediaCodec", "createEncoderByType", "(Ljava/lang/String;)Landroid/media/MediaCodec;", FF_JNI_STATIC_METHOD, offsetof(struct JNIAMediaCodecFields, create_encoder_by_type_id), 1 },
{ "android/media/MediaCodec", "getName", "()Ljava/lang/String;", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, get_name_id), 1 },
{ "android/media/MediaCodec", "configure", "(Landroid/media/MediaFormat;Landroid/view/Surface;Landroid/media/MediaCrypto;I)V", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, configure_id), 1 },
{ "android/media/MediaCodec", "start", "()V", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, start_id), 1 },
{ "android/media/MediaCodec", "flush", "()V", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, flush_id), 1 },
{ "android/media/MediaCodec", "stop", "()V", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, stop_id), 1 },
{ "android/media/MediaCodec", "release", "()V", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, release_id), 1 },
{ "android/media/MediaCodec", "getOutputFormat", "()Landroid/media/MediaFormat;", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, get_output_format_id), 1 },
{ "android/media/MediaCodec", "dequeueInputBuffer", "(J)I", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, dequeue_input_buffer_id), 1 },
{ "android/media/MediaCodec", "queueInputBuffer", "(IIIJI)V", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, queue_input_buffer_id), 1 },
{ "android/media/MediaCodec", "getInputBuffer", "(I)Ljava/nio/ByteBuffer;", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, get_input_buffer_id), 0 },
{ "android/media/MediaCodec", "getInputBuffers", "()[Ljava/nio/ByteBuffer;", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, get_input_buffers_id), 1 },
{ "android/media/MediaCodec", "dequeueOutputBuffer", "(Landroid/media/MediaCodec$BufferInfo;J)I", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, dequeue_output_buffer_id), 1 },
{ "android/media/MediaCodec", "getOutputBuffer", "(I)Ljava/nio/ByteBuffer;", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, get_output_buffer_id), 0 },
{ "android/media/MediaCodec", "getOutputBuffers", "()[Ljava/nio/ByteBuffer;", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, get_output_buffers_id), 1 },
{ "android/media/MediaCodec", "releaseOutputBuffer", "(IZ)V", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, release_output_buffer_id), 1 },
{ "android/media/MediaCodec", "releaseOutputBuffer", "(IJ)V", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, release_output_buffer_at_time_id), 0 },
{ "android/media/MediaCodec", "setInputSurface", "(Landroid/view/Surface;)V", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, set_input_surface_id), 0 },
{ "android/media/MediaCodec", "signalEndOfInputStream", "()V", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, signal_end_of_input_stream_id), 0 },
{ "android/media/MediaCodec$BufferInfo", NULL, NULL, FF_JNI_CLASS, offsetof(struct JNIAMediaCodecFields, mediainfo_class), 1 },
{ "android/media/MediaCodec.BufferInfo", "<init>", "()V", FF_JNI_METHOD, offsetof(struct JNIAMediaCodecFields, init_id), 1 },
{ "android/media/MediaCodec.BufferInfo", "flags", "I", FF_JNI_FIELD, offsetof(struct JNIAMediaCodecFields, flags_id), 1 },
{ "android/media/MediaCodec.BufferInfo", "offset", "I", FF_JNI_FIELD, offsetof(struct JNIAMediaCodecFields, offset_id), 1 },
{ "android/media/MediaCodec.BufferInfo", "presentationTimeUs", "J", FF_JNI_FIELD, offsetof(struct JNIAMediaCodecFields, presentation_time_us_id), 1 },
{ "android/media/MediaCodec.BufferInfo", "size", "I", FF_JNI_FIELD, offsetof(struct JNIAMediaCodecFields, size_id), 1 },
{ NULL }
};
static const AVClass amediacodec_class = {
.class_name = "amediacodec",
.item_name = av_default_item_name,
.version = LIBAVUTIL_VERSION_INT,
};
typedef struct FFAMediaCodecJni {
FFAMediaCodec api;
struct JNIAMediaCodecFields jfields;
jobject object;
jobject buffer_info;
jobject input_buffers;
jobject output_buffers;
int INFO_TRY_AGAIN_LATER;
int INFO_OUTPUT_BUFFERS_CHANGED;
int INFO_OUTPUT_FORMAT_CHANGED;
int BUFFER_FLAG_CODEC_CONFIG;
int BUFFER_FLAG_END_OF_STREAM;
int BUFFER_FLAG_KEY_FRAME;
int CONFIGURE_FLAG_ENCODE;
int has_get_i_o_buffer;
} FFAMediaCodecJni;
static const FFAMediaCodec media_codec_jni;
#define JNI_GET_ENV_OR_RETURN(env, log_ctx, ret) do { \
(env) = ff_jni_get_env(log_ctx); \
if (!(env)) { \
return ret; \
} \
} while (0)
#define JNI_GET_ENV_OR_RETURN_VOID(env, log_ctx) do { \
(env) = ff_jni_get_env(log_ctx); \
if (!(env)) { \
return; \
} \
} while (0)
int ff_AMediaCodecProfile_getProfileFromAVCodecContext(AVCodecContext *avctx)
{
// Copy and modified from MediaCodecInfo.java
static const int AVCProfileBaseline = 0x01;
static const int AVCProfileMain = 0x02;
static const int AVCProfileExtended = 0x04;
static const int AVCProfileHigh = 0x08;
static const int AVCProfileHigh10 = 0x10;
static const int AVCProfileHigh422 = 0x20;
static const int AVCProfileHigh444 = 0x40;
static const int AVCProfileConstrainedBaseline = 0x10000;
static const int AVCProfileConstrainedHigh = 0x80000;
static const int HEVCProfileMain = 0x01;
static const int HEVCProfileMain10 = 0x02;
static const int HEVCProfileMainStill = 0x04;
static const int HEVCProfileMain10HDR10 = 0x1000;
static const int HEVCProfileMain10HDR10Plus = 0x2000;
static const int VP9Profile0 = 0x01;
static const int VP9Profile1 = 0x02;
static const int VP9Profile2 = 0x04;
static const int VP9Profile3 = 0x08;
static const int VP9Profile2HDR = 0x1000;
static const int VP9Profile3HDR = 0x2000;
static const int VP9Profile2HDR10Plus = 0x4000;
static const int VP9Profile3HDR10Plus = 0x8000;
static const int MPEG4ProfileSimple = 0x01;
static const int MPEG4ProfileSimpleScalable = 0x02;
static const int MPEG4ProfileCore = 0x04;
static const int MPEG4ProfileMain = 0x08;
static const int MPEG4ProfileNbit = 0x10;
static const int MPEG4ProfileScalableTexture = 0x20;
static const int MPEG4ProfileSimpleFBA = 0x80;
static const int MPEG4ProfileSimpleFace = 0x40;
static const int MPEG4ProfileBasicAnimated = 0x100;
static const int MPEG4ProfileHybrid = 0x200;
static const int MPEG4ProfileAdvancedRealTime = 0x400;
static const int MPEG4ProfileCoreScalable = 0x800;
static const int MPEG4ProfileAdvancedCoding = 0x1000;
static const int MPEG4ProfileAdvancedCore = 0x2000;
static const int MPEG4ProfileAdvancedScalable = 0x4000;
static const int MPEG4ProfileAdvancedSimple = 0x8000;
// Unused yet.
(void)AVCProfileConstrainedHigh;
(void)HEVCProfileMain10HDR10;
(void)HEVCProfileMain10HDR10Plus;
(void)VP9Profile2HDR;
(void)VP9Profile3HDR;
(void)VP9Profile2HDR10Plus;
(void)VP9Profile3HDR10Plus;
if (avctx->codec_id == AV_CODEC_ID_H264) {
switch(avctx->profile) {
case FF_PROFILE_H264_BASELINE:
return AVCProfileBaseline;
case FF_PROFILE_H264_CONSTRAINED_BASELINE:
return AVCProfileConstrainedBaseline;
case FF_PROFILE_H264_MAIN:
return AVCProfileMain;
break;
case FF_PROFILE_H264_EXTENDED:
return AVCProfileExtended;
case FF_PROFILE_H264_HIGH:
return AVCProfileHigh;
case FF_PROFILE_H264_HIGH_10:
case FF_PROFILE_H264_HIGH_10_INTRA:
return AVCProfileHigh10;
case FF_PROFILE_H264_HIGH_422:
case FF_PROFILE_H264_HIGH_422_INTRA:
return AVCProfileHigh422;
case FF_PROFILE_H264_HIGH_444:
case FF_PROFILE_H264_HIGH_444_INTRA:
case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
return AVCProfileHigh444;
}
} else if (avctx->codec_id == AV_CODEC_ID_HEVC) {
switch (avctx->profile) {
case FF_PROFILE_HEVC_MAIN:
return HEVCProfileMain;
case FF_PROFILE_HEVC_MAIN_STILL_PICTURE:
return HEVCProfileMainStill;
case FF_PROFILE_HEVC_MAIN_10:
return HEVCProfileMain10;
}
} else if (avctx->codec_id == AV_CODEC_ID_VP9) {
switch (avctx->profile) {
case FF_PROFILE_VP9_0:
return VP9Profile0;
case FF_PROFILE_VP9_1:
return VP9Profile1;
case FF_PROFILE_VP9_2:
return VP9Profile2;
case FF_PROFILE_VP9_3:
return VP9Profile3;
}
} else if(avctx->codec_id == AV_CODEC_ID_MPEG4) {
switch (avctx->profile)
{
case FF_PROFILE_MPEG4_SIMPLE:
return MPEG4ProfileSimple;
case FF_PROFILE_MPEG4_SIMPLE_SCALABLE:
return MPEG4ProfileSimpleScalable;
case FF_PROFILE_MPEG4_CORE:
return MPEG4ProfileCore;
case FF_PROFILE_MPEG4_MAIN:
return MPEG4ProfileMain;
case FF_PROFILE_MPEG4_N_BIT:
return MPEG4ProfileNbit;
case FF_PROFILE_MPEG4_SCALABLE_TEXTURE:
return MPEG4ProfileScalableTexture;
case FF_PROFILE_MPEG4_SIMPLE_FACE_ANIMATION:
return MPEG4ProfileSimpleFBA;
case FF_PROFILE_MPEG4_BASIC_ANIMATED_TEXTURE:
return MPEG4ProfileBasicAnimated;
case FF_PROFILE_MPEG4_HYBRID:
return MPEG4ProfileHybrid;
case FF_PROFILE_MPEG4_ADVANCED_REAL_TIME:
return MPEG4ProfileAdvancedRealTime;
case FF_PROFILE_MPEG4_CORE_SCALABLE:
return MPEG4ProfileCoreScalable;
case FF_PROFILE_MPEG4_ADVANCED_CODING:
return MPEG4ProfileAdvancedCoding;
case FF_PROFILE_MPEG4_ADVANCED_CORE:
return MPEG4ProfileAdvancedCore;
case FF_PROFILE_MPEG4_ADVANCED_SCALABLE_TEXTURE:
return MPEG4ProfileAdvancedScalable;
case FF_PROFILE_MPEG4_ADVANCED_SIMPLE:
return MPEG4ProfileAdvancedSimple;
case FF_PROFILE_MPEG4_SIMPLE_STUDIO:
// Studio profiles are not supported by mediacodec.
default:
break;
}
}
return -1;
}
char *ff_AMediaCodecList_getCodecNameByType(const char *mime, int profile, int encoder, void *log_ctx)
{
int ret;
int i;
int codec_count;
int found_codec = 0;
char *name = NULL;
char *supported_type = NULL;
JNIEnv *env = NULL;
struct JNIAMediaCodecListFields jfields = { 0 };
struct JNIAMediaFormatFields mediaformat_jfields = { 0 };
jobject codec_name = NULL;
jobject info = NULL;
jobject type = NULL;
jobjectArray types = NULL;
jobject capabilities = NULL;
jobject profile_level = NULL;
jobjectArray profile_levels = NULL;
JNI_GET_ENV_OR_RETURN(env, log_ctx, NULL);
if ((ret = ff_jni_init_jfields(env, &jfields, jni_amediacodeclist_mapping, 0, log_ctx)) < 0) {
goto done;
}
if ((ret = ff_jni_init_jfields(env, &mediaformat_jfields, jni_amediaformat_mapping, 0, log_ctx)) < 0) {
goto done;
}
codec_count = (*env)->CallStaticIntMethod(env, jfields.mediacodec_list_class, jfields.get_codec_count_id);
if (ff_jni_exception_check(env, 1, log_ctx) < 0) {
goto done;
}
for(i = 0; i < codec_count; i++) {
int j;
int type_count;
int is_encoder;
info = (*env)->CallStaticObjectMethod(env, jfields.mediacodec_list_class, jfields.get_codec_info_at_id, i);
if (ff_jni_exception_check(env, 1, log_ctx) < 0) {
goto done;
}
types = (*env)->CallObjectMethod(env, info, jfields.get_supported_types_id);
if (ff_jni_exception_check(env, 1, log_ctx) < 0) {
goto done;
}
is_encoder = (*env)->CallBooleanMethod(env, info, jfields.is_encoder_id);
if (ff_jni_exception_check(env, 1, log_ctx) < 0) {
goto done;
}
if (is_encoder != encoder) {
goto done_with_info;
}
if (jfields.is_software_only_id) {
int is_software_only = (*env)->CallBooleanMethod(env, info, jfields.is_software_only_id);
if (ff_jni_exception_check(env, 1, log_ctx) < 0) {
goto done;
}
if (is_software_only) {
goto done_with_info;
}
}
codec_name = (*env)->CallObjectMethod(env, info, jfields.get_name_id);
if (ff_jni_exception_check(env, 1, log_ctx) < 0) {
goto done;
}
name = ff_jni_jstring_to_utf_chars(env, codec_name, log_ctx);
if (!name) {
goto done;
}
if (codec_name) {
(*env)->DeleteLocalRef(env, codec_name);
codec_name = NULL;
}
/* Skip software decoders */
if (
strstr(name, "OMX.google") ||
strstr(name, "OMX.ffmpeg") ||
(strstr(name, "OMX.SEC") && strstr(name, ".sw.")) ||
!strcmp(name, "OMX.qcom.video.decoder.hevcswvdec")) {
goto done_with_info;
}
type_count = (*env)->GetArrayLength(env, types);
for (j = 0; j < type_count; j++) {
int k;
int profile_count;
type = (*env)->GetObjectArrayElement(env, types, j);
if (ff_jni_exception_check(env, 1, log_ctx) < 0) {
goto done;
}
supported_type = ff_jni_jstring_to_utf_chars(env, type, log_ctx);
if (!supported_type) {
goto done;
}
if (av_strcasecmp(supported_type, mime)) {
goto done_with_type;
}
capabilities = (*env)->CallObjectMethod(env, info, jfields.get_codec_capabilities_id, type);
if (ff_jni_exception_check(env, 1, log_ctx) < 0) {
goto done;
}
profile_levels = (*env)->GetObjectField(env, capabilities, jfields.profile_levels_id);
if (ff_jni_exception_check(env, 1, log_ctx) < 0) {
goto done;
}
profile_count = (*env)->GetArrayLength(env, profile_levels);
if (!profile_count) {
found_codec = 1;
}
for (k = 0; k < profile_count; k++) {
int supported_profile = 0;
if (profile < 0) {
found_codec = 1;
break;
}
profile_level = (*env)->GetObjectArrayElement(env, profile_levels, k);
if (ff_jni_exception_check(env, 1, log_ctx) < 0) {
goto done;
}
supported_profile = (*env)->GetIntField(env, profile_level, jfields.profile_id);
if (ff_jni_exception_check(env, 1, log_ctx) < 0) {
goto done;
}
found_codec = profile == supported_profile;
if (profile_level) {
(*env)->DeleteLocalRef(env, profile_level);
profile_level = NULL;
}
if (found_codec) {
break;
}
}
done_with_type:
if (profile_levels) {
(*env)->DeleteLocalRef(env, profile_levels);
profile_levels = NULL;
}
if (capabilities) {
(*env)->DeleteLocalRef(env, capabilities);
capabilities = NULL;
}
if (type) {
(*env)->DeleteLocalRef(env, type);
type = NULL;
}
av_freep(&supported_type);
if (found_codec) {
break;
}
}
done_with_info:
if (info) {
(*env)->DeleteLocalRef(env, info);
info = NULL;
}
if (types) {
(*env)->DeleteLocalRef(env, types);
types = NULL;
}
if (found_codec) {
break;
}
av_freep(&name);
}
done:
if (codec_name) {
(*env)->DeleteLocalRef(env, codec_name);
}
if (info) {
(*env)->DeleteLocalRef(env, info);
}
if (type) {
(*env)->DeleteLocalRef(env, type);
}
if (types) {
(*env)->DeleteLocalRef(env, types);
}
if (capabilities) {
(*env)->DeleteLocalRef(env, capabilities);
}
if (profile_level) {
(*env)->DeleteLocalRef(env, profile_level);
}
if (profile_levels) {
(*env)->DeleteLocalRef(env, profile_levels);
}
av_freep(&supported_type);
ff_jni_reset_jfields(env, &jfields, jni_amediacodeclist_mapping, 0, log_ctx);
ff_jni_reset_jfields(env, &mediaformat_jfields, jni_amediaformat_mapping, 0, log_ctx);
if (!found_codec) {
av_freep(&name);
}
return name;
}
static FFAMediaFormat *mediaformat_jni_new(void)
{
JNIEnv *env = NULL;
FFAMediaFormatJni *format = NULL;
jobject object = NULL;
format = av_mallocz(sizeof(*format));
if (!format) {
return NULL;
}
format->api = media_format_jni;
env = ff_jni_get_env(format);
if (!env) {
av_freep(&format);
return NULL;
}
if (ff_jni_init_jfields(env, &format->jfields, jni_amediaformat_mapping, 1, format) < 0) {
goto fail;
}
object = (*env)->NewObject(env, format->jfields.mediaformat_class, format->jfields.init_id);
if (!object) {
goto fail;
}
format->object = (*env)->NewGlobalRef(env, object);
if (!format->object) {
goto fail;
}
fail:
if (object) {
(*env)->DeleteLocalRef(env, object);
}
if (!format->object) {
ff_jni_reset_jfields(env, &format->jfields, jni_amediaformat_mapping, 1, format);
av_freep(&format);
}
return (FFAMediaFormat *)format;
}
static FFAMediaFormat *mediaformat_jni_newFromObject(void *object)
{
JNIEnv *env = NULL;
FFAMediaFormatJni *format = NULL;
format = av_mallocz(sizeof(*format));
if (!format) {
return NULL;
}
format->api = media_format_jni;
env = ff_jni_get_env(format);
if (!env) {
av_freep(&format);
return NULL;
}
if (ff_jni_init_jfields(env, &format->jfields, jni_amediaformat_mapping, 1, format) < 0) {
goto fail;
}
format->object = (*env)->NewGlobalRef(env, object);
if (!format->object) {
goto fail;
}
return (FFAMediaFormat *)format;
fail:
ff_jni_reset_jfields(env, &format->jfields, jni_amediaformat_mapping, 1, format);
av_freep(&format);
return NULL;
}
static int mediaformat_jni_delete(FFAMediaFormat* ctx)
{
int ret = 0;
FFAMediaFormatJni *format = (FFAMediaFormatJni *)ctx;
JNIEnv *env = NULL;
if (!format) {
return 0;
}
JNI_GET_ENV_OR_RETURN(env, format, AVERROR_EXTERNAL);
(*env)->DeleteGlobalRef(env, format->object);
format->object = NULL;
ff_jni_reset_jfields(env, &format->jfields, jni_amediaformat_mapping, 1, format);
av_freep(&format);
return ret;
}
static char* mediaformat_jni_toString(FFAMediaFormat* ctx)
{
char *ret = NULL;
FFAMediaFormatJni *format = (FFAMediaFormatJni *)ctx;
JNIEnv *env = NULL;
jstring description = NULL;
av_assert0(format != NULL);
JNI_GET_ENV_OR_RETURN(env, format, NULL);
description = (*env)->CallObjectMethod(env, format->object, format->jfields.to_string_id);
if (ff_jni_exception_check(env, 1, NULL) < 0) {
goto fail;
}
ret = ff_jni_jstring_to_utf_chars(env, description, format);
fail:
if (description) {
(*env)->DeleteLocalRef(env, description);
}
return ret;
}
static int mediaformat_jni_getInt32(FFAMediaFormat* ctx, const char *name, int32_t *out)
{
int ret = 1;
FFAMediaFormatJni *format = (FFAMediaFormatJni *)ctx;
JNIEnv *env = NULL;
jstring key = NULL;
jboolean contains_key;
av_assert0(format != NULL);
JNI_GET_ENV_OR_RETURN(env, format, 0);
key = ff_jni_utf_chars_to_jstring(env, name, format);
if (!key) {
ret = 0;
goto fail;
}
contains_key = (*env)->CallBooleanMethod(env, format->object, format->jfields.contains_key_id, key);
if (!contains_key || (ret = ff_jni_exception_check(env, 1, format)) < 0) {
ret = 0;
goto fail;
}
*out = (*env)->CallIntMethod(env, format->object, format->jfields.get_integer_id, key);
if ((ret = ff_jni_exception_check(env, 1, format)) < 0) {
ret = 0;
goto fail;
}
ret = 1;
fail:
if (key) {
(*env)->DeleteLocalRef(env, key);
}
return ret;
}
static int mediaformat_jni_getInt64(FFAMediaFormat* ctx, const char *name, int64_t *out)
{
int ret = 1;
FFAMediaFormatJni *format = (FFAMediaFormatJni *)ctx;
JNIEnv *env = NULL;
jstring key = NULL;
jboolean contains_key;
av_assert0(format != NULL);
JNI_GET_ENV_OR_RETURN(env, format, 0);
key = ff_jni_utf_chars_to_jstring(env, name, format);
if (!key) {
ret = 0;
goto fail;
}
contains_key = (*env)->CallBooleanMethod(env, format->object, format->jfields.contains_key_id, key);
if (!contains_key || (ret = ff_jni_exception_check(env, 1, format)) < 0) {
ret = 0;
goto fail;
}
*out = (*env)->CallLongMethod(env, format->object, format->jfields.get_long_id, key);
if ((ret = ff_jni_exception_check(env, 1, format)) < 0) {
ret = 0;
goto fail;
}
ret = 1;
fail:
if (key) {
(*env)->DeleteLocalRef(env, key);
}
return ret;
}
static int mediaformat_jni_getFloat(FFAMediaFormat* ctx, const char *name, float *out)
{
int ret = 1;
FFAMediaFormatJni *format = (FFAMediaFormatJni *)ctx;
JNIEnv *env = NULL;
jstring key = NULL;
jboolean contains_key;
av_assert0(format != NULL);
JNI_GET_ENV_OR_RETURN(env, format, 0);
key = ff_jni_utf_chars_to_jstring(env, name, format);
if (!key) {
ret = 0;
goto fail;
}
contains_key = (*env)->CallBooleanMethod(env, format->object, format->jfields.contains_key_id, key);
if (!contains_key || (ret = ff_jni_exception_check(env, 1, format)) < 0) {
ret = 0;
goto fail;
}
*out = (*env)->CallFloatMethod(env, format->object, format->jfields.get_float_id, key);
if ((ret = ff_jni_exception_check(env, 1, format)) < 0) {
ret = 0;
goto fail;
}
ret = 1;
fail:
if (key) {
(*env)->DeleteLocalRef(env, key);
}
return ret;
}
static int mediaformat_jni_getBuffer(FFAMediaFormat* ctx, const char *name, void** data, size_t *size)
{
int ret = 1;
FFAMediaFormatJni *format = (FFAMediaFormatJni *)ctx;
JNIEnv *env = NULL;
jstring key = NULL;
jboolean contains_key;
jobject result = NULL;
av_assert0(format != NULL);
JNI_GET_ENV_OR_RETURN(env, format, 0);
key = ff_jni_utf_chars_to_jstring(env, name, format);
if (!key) {
ret = 0;
goto fail;
}
contains_key = (*env)->CallBooleanMethod(env, format->object, format->jfields.contains_key_id, key);
if (!contains_key || (ret = ff_jni_exception_check(env, 1, format)) < 0) {
ret = 0;
goto fail;
}
result = (*env)->CallObjectMethod(env, format->object, format->jfields.get_bytebuffer_id, key);
if ((ret = ff_jni_exception_check(env, 1, format)) < 0) {
ret = 0;
goto fail;
}
*data = (*env)->GetDirectBufferAddress(env, result);
*size = (*env)->GetDirectBufferCapacity(env, result);
if (*data && *size) {
void *src = *data;
*data = av_malloc(*size);
if (!*data) {
ret = 0;
goto fail;
}
memcpy(*data, src, *size);
}
ret = 1;
fail:
if (key) {
(*env)->DeleteLocalRef(env, key);
}
if (result) {
(*env)->DeleteLocalRef(env, result);
}
return ret;
}
static int mediaformat_jni_getString(FFAMediaFormat* ctx, const char *name, const char **out)
{
int ret = 1;
FFAMediaFormatJni *format = (FFAMediaFormatJni *)ctx;
JNIEnv *env = NULL;
jstring key = NULL;
jboolean contains_key;
jstring result = NULL;
av_assert0(format != NULL);
JNI_GET_ENV_OR_RETURN(env, format, 0);
key = ff_jni_utf_chars_to_jstring(env, name, format);
if (!key) {
ret = 0;
goto fail;
}
contains_key = (*env)->CallBooleanMethod(env, format->object, format->jfields.contains_key_id, key);
if (!contains_key || (ret = ff_jni_exception_check(env, 1, format)) < 0) {
ret = 0;
goto fail;
}
result = (*env)->CallObjectMethod(env, format->object, format->jfields.get_string_id, key);
if ((ret = ff_jni_exception_check(env, 1, format)) < 0) {
ret = 0;
goto fail;
}
*out = ff_jni_jstring_to_utf_chars(env, result, format);
if (!*out) {
ret = 0;
goto fail;
}
ret = 1;
fail:
if (key) {
(*env)->DeleteLocalRef(env, key);
}
if (result) {
(*env)->DeleteLocalRef(env, result);
}
return ret;
}
static void mediaformat_jni_setInt32(FFAMediaFormat* ctx, const char* name, int32_t value)
{
JNIEnv *env = NULL;
jstring key = NULL;
FFAMediaFormatJni *format = (FFAMediaFormatJni *)ctx;
av_assert0(format != NULL);
JNI_GET_ENV_OR_RETURN_VOID(env, format);
key = ff_jni_utf_chars_to_jstring(env, name, format);
if (!key) {
goto fail;
}
(*env)->CallVoidMethod(env, format->object, format->jfields.set_integer_id, key, value);
if (ff_jni_exception_check(env, 1, format) < 0) {
goto fail;
}
fail:
if (key) {
(*env)->DeleteLocalRef(env, key);
}
}
static void mediaformat_jni_setInt64(FFAMediaFormat* ctx, const char* name, int64_t value)
{
JNIEnv *env = NULL;
jstring key = NULL;
FFAMediaFormatJni *format = (FFAMediaFormatJni *)ctx;
av_assert0(format != NULL);
JNI_GET_ENV_OR_RETURN_VOID(env, format);
key = ff_jni_utf_chars_to_jstring(env, name, format);
if (!key) {
goto fail;
}
(*env)->CallVoidMethod(env, format->object, format->jfields.set_long_id, key, value);
if (ff_jni_exception_check(env, 1, format) < 0) {
goto fail;
}
fail:
if (key) {
(*env)->DeleteLocalRef(env, key);
}
}
static void mediaformat_jni_setFloat(FFAMediaFormat* ctx, const char* name, float value)
{
JNIEnv *env = NULL;
jstring key = NULL;
FFAMediaFormatJni *format = (FFAMediaFormatJni *)ctx;
av_assert0(format != NULL);
JNI_GET_ENV_OR_RETURN_VOID(env, format);
key = ff_jni_utf_chars_to_jstring(env, name, format);
if (!key) {
goto fail;
}
(*env)->CallVoidMethod(env, format->object, format->jfields.set_float_id, key, value);
if (ff_jni_exception_check(env, 1, format) < 0) {
goto fail;
}
fail:
if (key) {
(*env)->DeleteLocalRef(env, key);
}
}
static void mediaformat_jni_setString(FFAMediaFormat* ctx, const char* name, const char* value)
{
JNIEnv *env = NULL;
jstring key = NULL;
jstring string = NULL;
FFAMediaFormatJni *format = (FFAMediaFormatJni *)ctx;
av_assert0(format != NULL);
JNI_GET_ENV_OR_RETURN_VOID(env, format);
key = ff_jni_utf_chars_to_jstring(env, name, format);
if (!key) {
goto fail;
}
string = ff_jni_utf_chars_to_jstring(env, value, format);
if (!string) {
goto fail;
}
(*env)->CallVoidMethod(env, format->object, format->jfields.set_string_id, key, string);
if (ff_jni_exception_check(env, 1, format) < 0) {
goto fail;
}
fail:
if (key) {
(*env)->DeleteLocalRef(env, key);
}
if (string) {
(*env)->DeleteLocalRef(env, string);
}
}
static void mediaformat_jni_setBuffer(FFAMediaFormat* ctx, const char* name, void* data, size_t size)
{
JNIEnv *env = NULL;
jstring key = NULL;
jobject buffer = NULL;
void *buffer_data = NULL;
FFAMediaFormatJni *format = (FFAMediaFormatJni *)ctx;
av_assert0(format != NULL);
JNI_GET_ENV_OR_RETURN_VOID(env, format);
key = ff_jni_utf_chars_to_jstring(env, name, format);
if (!key) {
goto fail;
}
if (!data || !size) {
goto fail;
}
buffer_data = av_malloc(size);
if (!buffer_data) {
goto fail;
}
memcpy(buffer_data, data, size);
buffer = (*env)->NewDirectByteBuffer(env, buffer_data, size);
if (!buffer) {
goto fail;
}
(*env)->CallVoidMethod(env, format->object, format->jfields.set_bytebuffer_id, key, buffer);
if (ff_jni_exception_check(env, 1, format) < 0) {
goto fail;
}
fail:
if (key) {
(*env)->DeleteLocalRef(env, key);
}
if (buffer) {
(*env)->DeleteLocalRef(env, buffer);
}
}
static int codec_init_static_fields(FFAMediaCodecJni *codec)
{
int ret = 0;
JNIEnv *env = NULL;
JNI_GET_ENV_OR_RETURN(env, codec, AVERROR_EXTERNAL);
codec->INFO_TRY_AGAIN_LATER = (*env)->GetStaticIntField(env, codec->jfields.mediacodec_class, codec->jfields.info_try_again_later_id);
if ((ret = ff_jni_exception_check(env, 1, codec)) < 0) {
goto fail;
}
codec->BUFFER_FLAG_CODEC_CONFIG = (*env)->GetStaticIntField(env, codec->jfields.mediacodec_class, codec->jfields.buffer_flag_codec_config_id);
if ((ret = ff_jni_exception_check(env, 1, codec)) < 0) {
goto fail;
}
codec->BUFFER_FLAG_END_OF_STREAM = (*env)->GetStaticIntField(env, codec->jfields.mediacodec_class, codec->jfields.buffer_flag_end_of_stream_id);
if ((ret = ff_jni_exception_check(env, 1, codec)) < 0) {
goto fail;
}
if (codec->jfields.buffer_flag_key_frame_id) {
codec->BUFFER_FLAG_KEY_FRAME = (*env)->GetStaticIntField(env, codec->jfields.mediacodec_class, codec->jfields.buffer_flag_key_frame_id);
if ((ret = ff_jni_exception_check(env, 1, codec)) < 0) {
goto fail;
}
}
codec->CONFIGURE_FLAG_ENCODE = (*env)->GetStaticIntField(env, codec->jfields.mediacodec_class, codec->jfields.configure_flag_encode_id);
if ((ret = ff_jni_exception_check(env, 1, codec)) < 0) {
goto fail;
}
codec->INFO_TRY_AGAIN_LATER = (*env)->GetStaticIntField(env, codec->jfields.mediacodec_class, codec->jfields.info_try_again_later_id);
if ((ret = ff_jni_exception_check(env, 1, codec)) < 0) {
goto fail;
}
codec->INFO_OUTPUT_BUFFERS_CHANGED = (*env)->GetStaticIntField(env, codec->jfields.mediacodec_class, codec->jfields.info_output_buffers_changed_id);
if ((ret = ff_jni_exception_check(env, 1, codec)) < 0) {
goto fail;
}
codec->INFO_OUTPUT_FORMAT_CHANGED = (*env)->GetStaticIntField(env, codec->jfields.mediacodec_class, codec->jfields.info_output_format_changed_id);
if ((ret = ff_jni_exception_check(env, 1, codec)) < 0) {
goto fail;
}
fail:
return ret;
}
#define CREATE_CODEC_BY_NAME 0
#define CREATE_DECODER_BY_TYPE 1
#define CREATE_ENCODER_BY_TYPE 2
static inline FFAMediaCodec *codec_create(int method, const char *arg)
{
int ret = -1;
JNIEnv *env = NULL;
FFAMediaCodecJni *codec = NULL;
jstring jarg = NULL;
jobject object = NULL;
jobject buffer_info = NULL;
jmethodID create_id = NULL;
codec = av_mallocz(sizeof(*codec));
if (!codec) {
return NULL;
}
codec->api = media_codec_jni;
env = ff_jni_get_env(codec);
if (!env) {
av_freep(&codec);
return NULL;
}
if (ff_jni_init_jfields(env, &codec->jfields, jni_amediacodec_mapping, 1, codec) < 0) {
goto fail;
}
jarg = ff_jni_utf_chars_to_jstring(env, arg, codec);
if (!jarg) {
goto fail;
}
switch (method) {
case CREATE_CODEC_BY_NAME: create_id = codec->jfields.create_by_codec_name_id; break;
case CREATE_DECODER_BY_TYPE: create_id = codec->jfields.create_decoder_by_type_id; break;
case CREATE_ENCODER_BY_TYPE: create_id = codec->jfields.create_encoder_by_type_id; break;
default:
av_assert0(0);
}
object = (*env)->CallStaticObjectMethod(env,
codec->jfields.mediacodec_class,
create_id,
jarg);
if (ff_jni_exception_check(env, 1, codec) < 0) {
goto fail;
}
codec->object = (*env)->NewGlobalRef(env, object);
if (!codec->object) {
goto fail;
}
if (codec_init_static_fields(codec) < 0) {
goto fail;
}
if (codec->jfields.get_input_buffer_id && codec->jfields.get_output_buffer_id) {
codec->has_get_i_o_buffer = 1;
}
buffer_info = (*env)->NewObject(env, codec->jfields.mediainfo_class, codec->jfields.init_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
goto fail;
}
codec->buffer_info = (*env)->NewGlobalRef(env, buffer_info);
if (!codec->buffer_info) {
goto fail;
}
ret = 0;
fail:
if (jarg) {
(*env)->DeleteLocalRef(env, jarg);
}
if (object) {
(*env)->DeleteLocalRef(env, object);
}
if (buffer_info) {
(*env)->DeleteLocalRef(env, buffer_info);
}
if (ret < 0) {
if (codec->object) {
(*env)->DeleteGlobalRef(env, codec->object);
}
if (codec->buffer_info) {
(*env)->DeleteGlobalRef(env, codec->buffer_info);
}
ff_jni_reset_jfields(env, &codec->jfields, jni_amediacodec_mapping, 1, codec);
av_freep(&codec);
}
return (FFAMediaCodec *)codec;
}
#define DECLARE_FF_AMEDIACODEC_CREATE_FUNC(name, method) \
static FFAMediaCodec *mediacodec_jni_##name(const char *arg) \
{ \
return codec_create(method, arg); \
} \
DECLARE_FF_AMEDIACODEC_CREATE_FUNC(createCodecByName, CREATE_CODEC_BY_NAME)
DECLARE_FF_AMEDIACODEC_CREATE_FUNC(createDecoderByType, CREATE_DECODER_BY_TYPE)
DECLARE_FF_AMEDIACODEC_CREATE_FUNC(createEncoderByType, CREATE_ENCODER_BY_TYPE)
static int mediacodec_jni_delete(FFAMediaCodec* ctx)
{
int ret = 0;
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
JNIEnv *env = NULL;
if (!codec) {
return 0;
}
JNI_GET_ENV_OR_RETURN(env, codec, AVERROR_EXTERNAL);
(*env)->CallVoidMethod(env, codec->object, codec->jfields.release_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
ret = AVERROR_EXTERNAL;
}
(*env)->DeleteGlobalRef(env, codec->input_buffers);
codec->input_buffers = NULL;
(*env)->DeleteGlobalRef(env, codec->output_buffers);
codec->output_buffers = NULL;
(*env)->DeleteGlobalRef(env, codec->object);
codec->object = NULL;
(*env)->DeleteGlobalRef(env, codec->buffer_info);
codec->buffer_info = NULL;
ff_jni_reset_jfields(env, &codec->jfields, jni_amediacodec_mapping, 1, codec);
av_freep(&codec);
return ret;
}
static char *mediacodec_jni_getName(FFAMediaCodec *ctx)
{
char *ret = NULL;
JNIEnv *env = NULL;
jobject *name = NULL;
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
JNI_GET_ENV_OR_RETURN(env, codec, NULL);
name = (*env)->CallObjectMethod(env, codec->object, codec->jfields.get_name_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
goto fail;
}
ret = ff_jni_jstring_to_utf_chars(env, name, codec);
fail:
if (name) {
(*env)->DeleteLocalRef(env, name);
}
return ret;
}
static int mediacodec_jni_configure(FFAMediaCodec *ctx,
const FFAMediaFormat* format_ctx,
FFANativeWindow* window,
void *crypto,
uint32_t flags)
{
int ret = 0;
JNIEnv *env = NULL;
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
const FFAMediaFormatJni *format = (FFAMediaFormatJni *)format_ctx;
jobject *surface = window ? window->surface : NULL;
JNI_GET_ENV_OR_RETURN(env, codec, AVERROR_EXTERNAL);
if (flags & codec->CONFIGURE_FLAG_ENCODE) {
if (surface && !codec->jfields.set_input_surface_id) {
av_log(ctx, AV_LOG_ERROR, "System doesn't support setInputSurface\n");
return AVERROR_EXTERNAL;
}
(*env)->CallVoidMethod(env, codec->object, codec->jfields.configure_id, format->object, NULL, NULL, flags);
if (ff_jni_exception_check(env, 1, codec) < 0)
return AVERROR_EXTERNAL;
if (!surface)
return 0;
(*env)->CallVoidMethod(env, codec->object, codec->jfields.set_input_surface_id, surface);
if (ff_jni_exception_check(env, 1, codec) < 0)
return AVERROR_EXTERNAL;
return 0;
} else {
(*env)->CallVoidMethod(env, codec->object, codec->jfields.configure_id, format->object, surface, NULL, flags);
}
if (ff_jni_exception_check(env, 1, codec) < 0) {
ret = AVERROR_EXTERNAL;
goto fail;
}
fail:
return ret;
}
static int mediacodec_jni_start(FFAMediaCodec* ctx)
{
int ret = 0;
JNIEnv *env = NULL;
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
JNI_GET_ENV_OR_RETURN(env, codec, AVERROR_EXTERNAL);
(*env)->CallVoidMethod(env, codec->object, codec->jfields.start_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
ret = AVERROR_EXTERNAL;
goto fail;
}
fail:
return ret;
}
static int mediacodec_jni_stop(FFAMediaCodec* ctx)
{
int ret = 0;
JNIEnv *env = NULL;
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
JNI_GET_ENV_OR_RETURN(env, codec, AVERROR_EXTERNAL);
(*env)->CallVoidMethod(env, codec->object, codec->jfields.stop_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
ret = AVERROR_EXTERNAL;
goto fail;
}
fail:
return ret;
}
static int mediacodec_jni_flush(FFAMediaCodec* ctx)
{
int ret = 0;
JNIEnv *env = NULL;
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
JNI_GET_ENV_OR_RETURN(env, codec, AVERROR_EXTERNAL);
(*env)->CallVoidMethod(env, codec->object, codec->jfields.flush_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
ret = AVERROR_EXTERNAL;
goto fail;
}
fail:
return ret;
}
static int mediacodec_jni_releaseOutputBuffer(FFAMediaCodec* ctx, size_t idx, int render)
{
int ret = 0;
JNIEnv *env = NULL;
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
JNI_GET_ENV_OR_RETURN(env, codec, AVERROR_EXTERNAL);
(*env)->CallVoidMethod(env, codec->object, codec->jfields.release_output_buffer_id, (jint)idx, (jboolean)render);
if (ff_jni_exception_check(env, 1, codec) < 0) {
ret = AVERROR_EXTERNAL;
goto fail;
}
fail:
return ret;
}
static int mediacodec_jni_releaseOutputBufferAtTime(FFAMediaCodec *ctx, size_t idx, int64_t timestampNs)
{
int ret = 0;
JNIEnv *env = NULL;
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
JNI_GET_ENV_OR_RETURN(env, codec, AVERROR_EXTERNAL);
(*env)->CallVoidMethod(env, codec->object, codec->jfields.release_output_buffer_at_time_id, (jint)idx, (jlong)timestampNs);
if (ff_jni_exception_check(env, 1, codec) < 0) {
ret = AVERROR_EXTERNAL;
goto fail;
}
fail:
return ret;
}
static ssize_t mediacodec_jni_dequeueInputBuffer(FFAMediaCodec* ctx, int64_t timeoutUs)
{
int ret = 0;
JNIEnv *env = NULL;
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
JNI_GET_ENV_OR_RETURN(env, codec, AVERROR_EXTERNAL);
ret = (*env)->CallIntMethod(env, codec->object, codec->jfields.dequeue_input_buffer_id, timeoutUs);
if (ff_jni_exception_check(env, 1, codec) < 0) {
ret = AVERROR_EXTERNAL;
goto fail;
}
fail:
return ret;
}
static int mediacodec_jni_queueInputBuffer(FFAMediaCodec* ctx, size_t idx, off_t offset, size_t size, uint64_t time, uint32_t flags)
{
int ret = 0;
JNIEnv *env = NULL;
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
JNI_GET_ENV_OR_RETURN(env, codec, AVERROR_EXTERNAL);
(*env)->CallVoidMethod(env, codec->object, codec->jfields.queue_input_buffer_id, (jint)idx, (jint)offset, (jint)size, time, flags);
if ((ret = ff_jni_exception_check(env, 1, codec)) < 0) {
ret = AVERROR_EXTERNAL;
goto fail;
}
fail:
return ret;
}
static ssize_t mediacodec_jni_dequeueOutputBuffer(FFAMediaCodec* ctx, FFAMediaCodecBufferInfo *info, int64_t timeoutUs)
{
int ret = 0;
JNIEnv *env = NULL;
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
JNI_GET_ENV_OR_RETURN(env, codec, AVERROR_EXTERNAL);
ret = (*env)->CallIntMethod(env, codec->object, codec->jfields.dequeue_output_buffer_id, codec->buffer_info, timeoutUs);
if (ff_jni_exception_check(env, 1, codec) < 0) {
return AVERROR_EXTERNAL;
}
info->flags = (*env)->GetIntField(env, codec->buffer_info, codec->jfields.flags_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
return AVERROR_EXTERNAL;
}
info->offset = (*env)->GetIntField(env, codec->buffer_info, codec->jfields.offset_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
return AVERROR_EXTERNAL;
}
info->presentationTimeUs = (*env)->GetLongField(env, codec->buffer_info, codec->jfields.presentation_time_us_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
return AVERROR_EXTERNAL;
}
info->size = (*env)->GetIntField(env, codec->buffer_info, codec->jfields.size_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
return AVERROR_EXTERNAL;
}
return ret;
}
static uint8_t* mediacodec_jni_getInputBuffer(FFAMediaCodec* ctx, size_t idx, size_t *out_size)
{
uint8_t *ret = NULL;
JNIEnv *env = NULL;
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
jobject buffer = NULL;
jobject input_buffers = NULL;
JNI_GET_ENV_OR_RETURN(env, codec, NULL);
if (codec->has_get_i_o_buffer) {
buffer = (*env)->CallObjectMethod(env, codec->object, codec->jfields.get_input_buffer_id, (jint)idx);
if (ff_jni_exception_check(env, 1, codec) < 0) {
goto fail;
}
} else {
if (!codec->input_buffers) {
input_buffers = (*env)->CallObjectMethod(env, codec->object, codec->jfields.get_input_buffers_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
goto fail;
}
codec->input_buffers = (*env)->NewGlobalRef(env, input_buffers);
if (ff_jni_exception_check(env, 1, codec) < 0) {
goto fail;
}
}
buffer = (*env)->GetObjectArrayElement(env, codec->input_buffers, idx);
if (ff_jni_exception_check(env, 1, codec) < 0) {
goto fail;
}
}
ret = (*env)->GetDirectBufferAddress(env, buffer);
*out_size = (*env)->GetDirectBufferCapacity(env, buffer);
fail:
if (buffer) {
(*env)->DeleteLocalRef(env, buffer);
}
if (input_buffers) {
(*env)->DeleteLocalRef(env, input_buffers);
}
return ret;
}
static uint8_t* mediacodec_jni_getOutputBuffer(FFAMediaCodec* ctx, size_t idx, size_t *out_size)
{
uint8_t *ret = NULL;
JNIEnv *env = NULL;
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
jobject buffer = NULL;
jobject output_buffers = NULL;
JNI_GET_ENV_OR_RETURN(env, codec, NULL);
if (codec->has_get_i_o_buffer) {
buffer = (*env)->CallObjectMethod(env, codec->object, codec->jfields.get_output_buffer_id, (jint)idx);
if (ff_jni_exception_check(env, 1, codec) < 0) {
goto fail;
}
} else {
if (!codec->output_buffers) {
output_buffers = (*env)->CallObjectMethod(env, codec->object, codec->jfields.get_output_buffers_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
goto fail;
}
codec->output_buffers = (*env)->NewGlobalRef(env, output_buffers);
if (ff_jni_exception_check(env, 1, codec) < 0) {
goto fail;
}
}
buffer = (*env)->GetObjectArrayElement(env, codec->output_buffers, idx);
if (ff_jni_exception_check(env, 1, codec) < 0) {
goto fail;
}
}
ret = (*env)->GetDirectBufferAddress(env, buffer);
*out_size = (*env)->GetDirectBufferCapacity(env, buffer);
fail:
if (buffer) {
(*env)->DeleteLocalRef(env, buffer);
}
if (output_buffers) {
(*env)->DeleteLocalRef(env, output_buffers);
}
return ret;
}
static FFAMediaFormat* mediacodec_jni_getOutputFormat(FFAMediaCodec* ctx)
{
FFAMediaFormat *ret = NULL;
JNIEnv *env = NULL;
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
jobject mediaformat = NULL;
JNI_GET_ENV_OR_RETURN(env, codec, NULL);
mediaformat = (*env)->CallObjectMethod(env, codec->object, codec->jfields.get_output_format_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
goto fail;
}
ret = mediaformat_jni_newFromObject(mediaformat);
fail:
if (mediaformat) {
(*env)->DeleteLocalRef(env, mediaformat);
}
return ret;
}
static int mediacodec_jni_infoTryAgainLater(FFAMediaCodec *ctx, ssize_t idx)
{
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
return idx == codec->INFO_TRY_AGAIN_LATER;
}
static int mediacodec_jni_infoOutputBuffersChanged(FFAMediaCodec *ctx, ssize_t idx)
{
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
return idx == codec->INFO_OUTPUT_BUFFERS_CHANGED;
}
static int mediacodec_jni_infoOutputFormatChanged(FFAMediaCodec *ctx, ssize_t idx)
{
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
return idx == codec->INFO_OUTPUT_FORMAT_CHANGED;
}
static int mediacodec_jni_getBufferFlagCodecConfig(FFAMediaCodec *ctx)
{
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
return codec->BUFFER_FLAG_CODEC_CONFIG;
}
static int mediacodec_jni_getBufferFlagEndOfStream(FFAMediaCodec *ctx)
{
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
return codec->BUFFER_FLAG_END_OF_STREAM;
}
static int mediacodec_jni_getBufferFlagKeyFrame(FFAMediaCodec *ctx)
{
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
return codec->BUFFER_FLAG_KEY_FRAME;
}
static int mediacodec_jni_getConfigureFlagEncode(FFAMediaCodec *ctx)
{
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
return codec->CONFIGURE_FLAG_ENCODE;
}
static int mediacodec_jni_cleanOutputBuffers(FFAMediaCodec *ctx)
{
int ret = 0;
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
if (!codec->has_get_i_o_buffer) {
if (codec->output_buffers) {
JNIEnv *env = NULL;
env = ff_jni_get_env(codec);
if (!env) {
ret = AVERROR_EXTERNAL;
goto fail;
}
(*env)->DeleteGlobalRef(env, codec->output_buffers);
codec->output_buffers = NULL;
}
}
fail:
return ret;
}
static int mediacodec_jni_signalEndOfInputStream(FFAMediaCodec *ctx)
{
JNIEnv *env = NULL;
FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
JNI_GET_ENV_OR_RETURN(env, codec, AVERROR_EXTERNAL);
(*env)->CallVoidMethod(env, codec->object, codec->jfields.signal_end_of_input_stream_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
return AVERROR_EXTERNAL;
}
return 0;
}
static const FFAMediaFormat media_format_jni = {
.class = &amediaformat_class,
.create = mediaformat_jni_new,
.delete = mediaformat_jni_delete,
.toString = mediaformat_jni_toString,
.getInt32 = mediaformat_jni_getInt32,
.getInt64 = mediaformat_jni_getInt64,
.getFloat = mediaformat_jni_getFloat,
.getBuffer = mediaformat_jni_getBuffer,
.getString = mediaformat_jni_getString,
.setInt32 = mediaformat_jni_setInt32,
.setInt64 = mediaformat_jni_setInt64,
.setFloat = mediaformat_jni_setFloat,
.setString = mediaformat_jni_setString,
.setBuffer = mediaformat_jni_setBuffer,
};
static const FFAMediaCodec media_codec_jni = {
.class = &amediacodec_class,
.getName = mediacodec_jni_getName,
.createCodecByName = mediacodec_jni_createCodecByName,
.createDecoderByType = mediacodec_jni_createDecoderByType,
.createEncoderByType = mediacodec_jni_createEncoderByType,
.delete = mediacodec_jni_delete,
.configure = mediacodec_jni_configure,
.start = mediacodec_jni_start,
.stop = mediacodec_jni_stop,
.flush = mediacodec_jni_flush,
.getInputBuffer = mediacodec_jni_getInputBuffer,
.getOutputBuffer = mediacodec_jni_getOutputBuffer,
.dequeueInputBuffer = mediacodec_jni_dequeueInputBuffer,
.queueInputBuffer = mediacodec_jni_queueInputBuffer,
.dequeueOutputBuffer = mediacodec_jni_dequeueOutputBuffer,
.getOutputFormat = mediacodec_jni_getOutputFormat,
.releaseOutputBuffer = mediacodec_jni_releaseOutputBuffer,
.releaseOutputBufferAtTime = mediacodec_jni_releaseOutputBufferAtTime,
.infoTryAgainLater = mediacodec_jni_infoTryAgainLater,
.infoOutputBuffersChanged = mediacodec_jni_infoOutputBuffersChanged,
.infoOutputFormatChanged = mediacodec_jni_infoOutputFormatChanged,
.getBufferFlagCodecConfig = mediacodec_jni_getBufferFlagCodecConfig,
.getBufferFlagEndOfStream = mediacodec_jni_getBufferFlagEndOfStream,
.getBufferFlagKeyFrame = mediacodec_jni_getBufferFlagKeyFrame,
.getConfigureFlagEncode = mediacodec_jni_getConfigureFlagEncode,
.cleanOutputBuffers = mediacodec_jni_cleanOutputBuffers,
.signalEndOfInputStream = mediacodec_jni_signalEndOfInputStream,
};
typedef struct FFAMediaFormatNdk {
FFAMediaFormat api;
void *libmedia;
AMediaFormat *impl;
AMediaFormat *(*new)(void);
media_status_t (*delete)(AMediaFormat*);
const char* (*toString)(AMediaFormat*);
bool (*getInt32)(AMediaFormat*, const char *name, int32_t *out);
bool (*getInt64)(AMediaFormat*, const char *name, int64_t *out);
bool (*getFloat)(AMediaFormat*, const char *name, float *out);
bool (*getSize)(AMediaFormat*, const char *name, size_t *out);
bool (*getBuffer)(AMediaFormat*, const char *name, void** data, size_t *size);
bool (*getString)(AMediaFormat*, const char *name, const char **out);
bool (*getRect)(AMediaFormat *, const char *name,
int32_t *left, int32_t *top, int32_t *right, int32_t *bottom);
void (*setInt32)(AMediaFormat*, const char* name, int32_t value);
void (*setInt64)(AMediaFormat*, const char* name, int64_t value);
void (*setFloat)(AMediaFormat*, const char* name, float value);
void (*setString)(AMediaFormat*, const char* name, const char* value);
void (*setBuffer)(AMediaFormat*, const char* name, const void* data, size_t size);
void (*setRect)(AMediaFormat *, const char *name,
int32_t left, int32_t top, int32_t right, int32_t bottom);
} FFAMediaFormatNdk;
typedef struct FFAMediaCodecNdk {
FFAMediaCodec api;
void *libmedia;
AMediaCodec *impl;
ANativeWindow *window;
AMediaCodec* (*createCodecByName)(const char *name);
AMediaCodec* (*createDecoderByType)(const char *mime_type);
AMediaCodec* (*createEncoderByType)(const char *mime_type);
media_status_t (*delete)(AMediaCodec*);
media_status_t (*configure)(AMediaCodec *,
const AMediaFormat *format,
ANativeWindow *surface,
AMediaCrypto *crypto,
uint32_t flags);
media_status_t (*start)(AMediaCodec*);
media_status_t (*stop)(AMediaCodec*);
media_status_t (*flush)(AMediaCodec*);
uint8_t* (*getInputBuffer)(AMediaCodec*, size_t idx, size_t *out_size);
uint8_t* (*getOutputBuffer)(AMediaCodec*, size_t idx, size_t *out_size);
ssize_t (*dequeueInputBuffer)(AMediaCodec*, int64_t timeoutUs);
media_status_t (*queueInputBuffer)(AMediaCodec*, size_t idx,
long offset, size_t size,
uint64_t time, uint32_t flags);
ssize_t (*dequeueOutputBuffer)(AMediaCodec*, AMediaCodecBufferInfo *info, int64_t timeoutUs);
AMediaFormat* (*getOutputFormat)(AMediaCodec*);
media_status_t (*releaseOutputBuffer)(AMediaCodec*, size_t idx, bool render);
media_status_t (*releaseOutputBufferAtTime)(AMediaCodec *mData, size_t idx, int64_t timestampNs);
// Available since API level 28.
media_status_t (*getName)(AMediaCodec*, char** out_name);
void (*releaseName)(AMediaCodec*, char* name);
// Available since API level 26.
media_status_t (*setInputSurface)(AMediaCodec*, ANativeWindow *);
media_status_t (*signalEndOfInputStream)(AMediaCodec *);
} FFAMediaCodecNdk;
static const FFAMediaFormat media_format_ndk;
static const FFAMediaCodec media_codec_ndk;
static const AVClass amediaformat_ndk_class = {
.class_name = "amediaformat_ndk",
.item_name = av_default_item_name,
.version = LIBAVUTIL_VERSION_INT,
};
static const AVClass amediacodec_ndk_class = {
.class_name = "amediacodec_ndk",
.item_name = av_default_item_name,
.version = LIBAVUTIL_VERSION_INT,
};
static FFAMediaFormat *mediaformat_ndk_create(AMediaFormat *impl)
{
FFAMediaFormatNdk *format = av_mallocz(sizeof(*format));
if (!format)
return NULL;
format->api = media_format_ndk;
format->libmedia = dlopen("libmediandk.so", RTLD_NOW);
if (!format->libmedia)
goto error;
#define GET_OPTIONAL_SYMBOL(sym) \
format->sym = dlsym(format->libmedia, "AMediaFormat_" #sym);
#define GET_SYMBOL(sym) \
GET_OPTIONAL_SYMBOL(sym) \
if (!format->sym) \
goto error;
GET_SYMBOL(new)
GET_SYMBOL(delete)
GET_SYMBOL(toString)
GET_SYMBOL(getInt32)
GET_SYMBOL(getInt64)
GET_SYMBOL(getFloat)
GET_SYMBOL(getSize)
GET_SYMBOL(getBuffer)
GET_SYMBOL(getString)
GET_OPTIONAL_SYMBOL(getRect)
GET_SYMBOL(setInt32)
GET_SYMBOL(setInt64)
GET_SYMBOL(setFloat)
GET_SYMBOL(setString)
GET_SYMBOL(setBuffer)
GET_OPTIONAL_SYMBOL(setRect)
#undef GET_SYMBOL
#undef GET_OPTIONAL_SYMBOL
if (impl) {
format->impl = impl;
} else {
format->impl = format->new();
if (!format->impl)
goto error;
}
return (FFAMediaFormat *)format;
error:
if (format->libmedia)
dlclose(format->libmedia);
av_freep(&format);
return NULL;
}
static FFAMediaFormat *mediaformat_ndk_new(void)
{
return mediaformat_ndk_create(NULL);
}
static int mediaformat_ndk_delete(FFAMediaFormat* ctx)
{
FFAMediaFormatNdk *format = (FFAMediaFormatNdk *)ctx;
int ret = 0;
if (!format)
return 0;
av_assert0(format->api.class == &amediaformat_ndk_class);
if (format->impl && (format->delete(format->impl) != AMEDIA_OK))
ret = AVERROR_EXTERNAL;
if (format->libmedia)
dlclose(format->libmedia);
av_free(format);
return ret;
}
static char* mediaformat_ndk_toString(FFAMediaFormat* ctx)
{
FFAMediaFormatNdk *format = (FFAMediaFormatNdk *)ctx;
const char *str = format->toString(format->impl);
return av_strdup(str);
}
static int mediaformat_ndk_getInt32(FFAMediaFormat* ctx, const char *name, int32_t *out)
{
FFAMediaFormatNdk *format = (FFAMediaFormatNdk *)ctx;
return format->getInt32(format->impl, name, out);
}
static int mediaformat_ndk_getInt64(FFAMediaFormat* ctx, const char *name, int64_t *out)
{
FFAMediaFormatNdk *format = (FFAMediaFormatNdk *)ctx;
return format->getInt64(format->impl, name, out);
}
static int mediaformat_ndk_getFloat(FFAMediaFormat* ctx, const char *name, float *out)
{
FFAMediaFormatNdk *format = (FFAMediaFormatNdk *)ctx;
return format->getFloat(format->impl, name, out);
}
static int mediaformat_ndk_getBuffer(FFAMediaFormat* ctx, const char *name, void** data, size_t *size)
{
FFAMediaFormatNdk *format = (FFAMediaFormatNdk *)ctx;
return format->getBuffer(format->impl, name, data, size);
}
static int mediaformat_ndk_getString(FFAMediaFormat* ctx, const char *name, const char **out)
{
FFAMediaFormatNdk *format = (FFAMediaFormatNdk *)ctx;
const char *tmp = NULL;
int ret = format->getString(format->impl, name, &tmp);
if (tmp)
*out = av_strdup(tmp);
return ret;
}
static int mediaformat_ndk_getRect(FFAMediaFormat *ctx, const char *name,
int32_t *left, int32_t *top, int32_t *right, int32_t *bottom)
{
FFAMediaFormatNdk *format = (FFAMediaFormatNdk *)ctx;
if (!format->getRect)
return AVERROR_EXTERNAL;
return format->getRect(format->impl, name, left, top, right, bottom);
}
static void mediaformat_ndk_setInt32(FFAMediaFormat* ctx, const char* name, int32_t value)
{
FFAMediaFormatNdk *format = (FFAMediaFormatNdk *)ctx;
format->setInt32(format->impl, name, value);
}
static void mediaformat_ndk_setInt64(FFAMediaFormat* ctx, const char* name, int64_t value)
{
FFAMediaFormatNdk *format = (FFAMediaFormatNdk *)ctx;
format->setInt64(format->impl, name, value);
}
static void mediaformat_ndk_setFloat(FFAMediaFormat* ctx, const char* name, float value)
{
FFAMediaFormatNdk *format = (FFAMediaFormatNdk *)ctx;
format->setFloat(format->impl, name, value);
}
static void mediaformat_ndk_setString(FFAMediaFormat* ctx, const char* name, const char* value)
{
FFAMediaFormatNdk *format = (FFAMediaFormatNdk *)ctx;
format->setString(format->impl, name, value);
}
static void mediaformat_ndk_setBuffer(FFAMediaFormat* ctx, const char* name, void* data, size_t size)
{
FFAMediaFormatNdk *format = (FFAMediaFormatNdk *)ctx;
format->setBuffer(format->impl, name, data, size);
}
static void mediaformat_ndk_setRect(FFAMediaFormat *ctx, const char *name,
int32_t left, int32_t top, int32_t right, int32_t bottom)
{
FFAMediaFormatNdk *format = (FFAMediaFormatNdk *)ctx;
if (!format->setRect) {
av_log(ctx, AV_LOG_WARNING, "Doesn't support setRect\n");
return;
}
format->setRect(format->impl, name, left, top, right, bottom);
}
static char *mediacodec_ndk_getName(FFAMediaCodec *ctx)
{
FFAMediaCodecNdk *codec = (FFAMediaCodecNdk *)ctx;
char *ret = NULL;
char *name = NULL;
if (!codec->getName || !codec->releaseName) {
av_log(ctx, AV_LOG_DEBUG, "getName() unavailable\n");
return ret;
}
codec->getName(codec->impl, &name);
if (name) {
ret = av_strdup(name);
codec->releaseName(codec->impl, name);
}
return ret;
}
static inline FFAMediaCodec *ndk_codec_create(int method, const char *arg) {
FFAMediaCodecNdk *codec = av_mallocz(sizeof(*codec));
const char *lib_name = "libmediandk.so";
if (!codec)
return NULL;
codec->api = media_codec_ndk;
codec->libmedia = dlopen(lib_name, RTLD_NOW);
if (!codec->libmedia)
goto error;
#define GET_SYMBOL(sym, required) \
codec->sym = dlsym(codec->libmedia, "AMediaCodec_" #sym); \
if (!codec->sym) { \
av_log(codec, required ? AV_LOG_ERROR : AV_LOG_INFO, \
#sym "() unavailable from %s\n", lib_name); \
if (required) \
goto error; \
}
GET_SYMBOL(createCodecByName, 1)
GET_SYMBOL(createDecoderByType, 1)
GET_SYMBOL(createEncoderByType, 1)
GET_SYMBOL(delete, 1)
GET_SYMBOL(configure, 1)
GET_SYMBOL(start, 1)
GET_SYMBOL(stop, 1)
GET_SYMBOL(flush, 1)
GET_SYMBOL(getInputBuffer, 1)
GET_SYMBOL(getOutputBuffer, 1)
GET_SYMBOL(dequeueInputBuffer, 1)
GET_SYMBOL(queueInputBuffer, 1)
GET_SYMBOL(dequeueOutputBuffer, 1)
GET_SYMBOL(getOutputFormat, 1)
GET_SYMBOL(releaseOutputBuffer, 1)
GET_SYMBOL(releaseOutputBufferAtTime, 1)
GET_SYMBOL(getName, 0)
GET_SYMBOL(releaseName, 0)
GET_SYMBOL(setInputSurface, 0)
GET_SYMBOL(signalEndOfInputStream, 0)
#undef GET_SYMBOL
switch (method) {
case CREATE_CODEC_BY_NAME:
codec->impl = codec->createCodecByName(arg);
break;
case CREATE_DECODER_BY_TYPE:
codec->impl = codec->createDecoderByType(arg);
break;
case CREATE_ENCODER_BY_TYPE:
codec->impl = codec->createEncoderByType(arg);
break;
default:
av_assert0(0);
}
if (!codec->impl)
goto error;
return (FFAMediaCodec *)codec;
error:
if (codec->libmedia)
dlclose(codec->libmedia);
av_freep(&codec);
return NULL;
}
#define DECLARE_NDK_AMEDIACODEC_CREATE_FUNC(name, method) \
static FFAMediaCodec *mediacodec_ndk_##name(const char *arg) \
{ \
return ndk_codec_create(method, arg); \
} \
DECLARE_NDK_AMEDIACODEC_CREATE_FUNC(createCodecByName, CREATE_CODEC_BY_NAME)
DECLARE_NDK_AMEDIACODEC_CREATE_FUNC(createDecoderByType, CREATE_DECODER_BY_TYPE)
DECLARE_NDK_AMEDIACODEC_CREATE_FUNC(createEncoderByType, CREATE_ENCODER_BY_TYPE)
static int mediacodec_ndk_delete(FFAMediaCodec* ctx)
{
FFAMediaCodecNdk *codec = (FFAMediaCodecNdk *)ctx;
int ret = 0;
if (!codec)
return 0;
av_assert0(codec->api.class == &amediacodec_ndk_class);
if (codec->impl && (codec->delete(codec->impl) != AMEDIA_OK))
ret = AVERROR_EXTERNAL;
if (codec->window)
ANativeWindow_release(codec->window);
if (codec->libmedia)
dlclose(codec->libmedia);
av_free(codec);
return ret;
}
static int mediacodec_ndk_configure(FFAMediaCodec* ctx,
const FFAMediaFormat* format_ctx,
FFANativeWindow* window,
void *crypto,
uint32_t flags)
{
FFAMediaCodecNdk *codec = (FFAMediaCodecNdk *)ctx;
FFAMediaFormatNdk *format = (FFAMediaFormatNdk *)format_ctx;
media_status_t status;
ANativeWindow *native_window = NULL;
if (window) {
if (window->surface) {
JNIEnv *env = NULL;
JNI_GET_ENV_OR_RETURN(env, ctx, -1);
native_window = ANativeWindow_fromSurface(env, window->surface);
// Save for release
codec->window = native_window;
} else if (window->native_window) {
native_window = window->native_window;
}
}
if (format_ctx->class != &amediaformat_ndk_class) {
av_log(ctx, AV_LOG_ERROR, "invalid media format\n");
return AVERROR(EINVAL);
}
if (flags & AMEDIACODEC_CONFIGURE_FLAG_ENCODE) {
if (native_window && !codec->setInputSurface) {
av_log(ctx, AV_LOG_ERROR, "System doesn't support setInputSurface\n");
return AVERROR_EXTERNAL;
}
status = codec->configure(codec->impl, format->impl, NULL, NULL, flags);
if (status != AMEDIA_OK) {
av_log(codec, AV_LOG_ERROR, "Encoder configure failed, %d\n", status);
return AVERROR_EXTERNAL;
}
if (!native_window)
return 0;
status = codec->setInputSurface(codec->impl, native_window);
if (status != AMEDIA_OK) {
av_log(codec, AV_LOG_ERROR, "Encoder set input surface failed, %d\n", status);
return AVERROR_EXTERNAL;
}
} else {
status = codec->configure(codec->impl, format->impl, native_window, NULL, flags);
if (status != AMEDIA_OK) {
av_log(codec, AV_LOG_ERROR, "Decoder configure failed, %d\n", status);
return AVERROR_EXTERNAL;
}
}
return 0;
}
#define MEDIACODEC_NDK_WRAPPER(method) \
static int mediacodec_ndk_ ## method(FFAMediaCodec* ctx) \
{ \
FFAMediaCodecNdk *codec = (FFAMediaCodecNdk *)ctx; \
media_status_t status = codec->method(codec->impl); \
\
if (status != AMEDIA_OK) { \
av_log(codec, AV_LOG_ERROR, #method " failed, %d\n", status); \
return AVERROR_EXTERNAL; \
} \
\
return 0; \
} \
MEDIACODEC_NDK_WRAPPER(start)
MEDIACODEC_NDK_WRAPPER(stop)
MEDIACODEC_NDK_WRAPPER(flush)
static uint8_t* mediacodec_ndk_getInputBuffer(FFAMediaCodec* ctx, size_t idx, size_t *out_size)
{
FFAMediaCodecNdk *codec = (FFAMediaCodecNdk *)ctx;
return codec->getInputBuffer(codec->impl, idx, out_size);
}
static uint8_t* mediacodec_ndk_getOutputBuffer(FFAMediaCodec* ctx, size_t idx, size_t *out_size)
{
FFAMediaCodecNdk *codec = (FFAMediaCodecNdk *)ctx;
return codec->getOutputBuffer(codec->impl, idx, out_size);
}
static ssize_t mediacodec_ndk_dequeueInputBuffer(FFAMediaCodec* ctx, int64_t timeoutUs)
{
FFAMediaCodecNdk *codec = (FFAMediaCodecNdk *)ctx;
return codec->dequeueInputBuffer(codec->impl, timeoutUs);
}
static int mediacodec_ndk_queueInputBuffer(FFAMediaCodec *ctx, size_t idx,
off_t offset, size_t size,
uint64_t time, uint32_t flags)
{
FFAMediaCodecNdk *codec = (FFAMediaCodecNdk *)ctx;
return codec->queueInputBuffer(codec->impl, idx, offset, size, time, flags);
}
static ssize_t mediacodec_ndk_dequeueOutputBuffer(FFAMediaCodec* ctx, FFAMediaCodecBufferInfo *info, int64_t timeoutUs)
{
FFAMediaCodecNdk *codec = (FFAMediaCodecNdk *)ctx;
AMediaCodecBufferInfo buf_info = {0};
ssize_t ret;
ret = codec->dequeueOutputBuffer(codec->impl, &buf_info, timeoutUs);
info->offset = buf_info.offset;
info->size = buf_info.size;
info->presentationTimeUs = buf_info.presentationTimeUs;
info->flags = buf_info.flags;
return ret;
}
static FFAMediaFormat* mediacodec_ndk_getOutputFormat(FFAMediaCodec* ctx)
{
FFAMediaCodecNdk *codec = (FFAMediaCodecNdk *)ctx;
AMediaFormat *format = codec->getOutputFormat(codec->impl);
if (!format)
return NULL;
return mediaformat_ndk_create(format);
}
static int mediacodec_ndk_releaseOutputBuffer(FFAMediaCodec* ctx, size_t idx, int render)
{
FFAMediaCodecNdk *codec = (FFAMediaCodecNdk *)ctx;
media_status_t status;
status = codec->releaseOutputBuffer(codec->impl, idx, render);
if (status != AMEDIA_OK) {
av_log(codec, AV_LOG_ERROR, "release output buffer failed, %d\n", status);
return AVERROR_EXTERNAL;
}
return 0;
}
static int mediacodec_ndk_releaseOutputBufferAtTime(FFAMediaCodec *ctx, size_t idx, int64_t timestampNs)
{
FFAMediaCodecNdk *codec = (FFAMediaCodecNdk *)ctx;
media_status_t status;
status = codec->releaseOutputBufferAtTime(codec->impl, idx, timestampNs);
if (status != AMEDIA_OK) {
av_log(codec, AV_LOG_ERROR, "releaseOutputBufferAtTime failed, %d\n", status);
return AVERROR_EXTERNAL;
}
return 0;
}
static int mediacodec_ndk_infoTryAgainLater(FFAMediaCodec *ctx, ssize_t idx)
{
return idx == AMEDIACODEC_INFO_TRY_AGAIN_LATER;
}
static int mediacodec_ndk_infoOutputBuffersChanged(FFAMediaCodec *ctx, ssize_t idx)
{
return idx == AMEDIACODEC_INFO_OUTPUT_BUFFERS_CHANGED;
}
static int mediacodec_ndk_infoOutputFormatChanged(FFAMediaCodec *ctx, ssize_t idx)
{
return idx == AMEDIACODEC_INFO_OUTPUT_FORMAT_CHANGED;
}
static int mediacodec_ndk_getBufferFlagCodecConfig(FFAMediaCodec *ctx)
{
return AMEDIACODEC_BUFFER_FLAG_CODEC_CONFIG;
}
static int mediacodec_ndk_getBufferFlagEndOfStream(FFAMediaCodec *ctx)
{
return AMEDIACODEC_BUFFER_FLAG_END_OF_STREAM;
}
static int mediacodec_ndk_getBufferFlagKeyFrame(FFAMediaCodec *ctx)
{
return 1;
}
static int mediacodec_ndk_getConfigureFlagEncode(FFAMediaCodec *ctx)
{
return AMEDIACODEC_CONFIGURE_FLAG_ENCODE;
}
static int mediacodec_ndk_cleanOutputBuffers(FFAMediaCodec *ctx)
{
return 0;
}
static int mediacodec_ndk_signalEndOfInputStream(FFAMediaCodec *ctx)
{
FFAMediaCodecNdk *codec = (FFAMediaCodecNdk *)ctx;
media_status_t status;
if (!codec->signalEndOfInputStream) {
av_log(codec, AV_LOG_ERROR, "signalEndOfInputStream unavailable\n");
return AVERROR_EXTERNAL;
}
status = codec->signalEndOfInputStream(codec->impl);
if (status != AMEDIA_OK) {
av_log(codec, AV_LOG_ERROR, "signalEndOfInputStream failed, %d\n", status);
return AVERROR_EXTERNAL;
}
av_log(codec, AV_LOG_DEBUG, "signalEndOfInputStream success\n");
return 0;
}
static const FFAMediaFormat media_format_ndk = {
.class = &amediaformat_ndk_class,
.create = mediaformat_ndk_new,
.delete = mediaformat_ndk_delete,
.toString = mediaformat_ndk_toString,
.getInt32 = mediaformat_ndk_getInt32,
.getInt64 = mediaformat_ndk_getInt64,
.getFloat = mediaformat_ndk_getFloat,
.getBuffer = mediaformat_ndk_getBuffer,
.getString = mediaformat_ndk_getString,
.getRect = mediaformat_ndk_getRect,
.setInt32 = mediaformat_ndk_setInt32,
.setInt64 = mediaformat_ndk_setInt64,
.setFloat = mediaformat_ndk_setFloat,
.setString = mediaformat_ndk_setString,
.setBuffer = mediaformat_ndk_setBuffer,
.setRect = mediaformat_ndk_setRect,
};
static const FFAMediaCodec media_codec_ndk = {
.class = &amediacodec_ndk_class,
.getName = mediacodec_ndk_getName,
.createCodecByName = mediacodec_ndk_createCodecByName,
.createDecoderByType = mediacodec_ndk_createDecoderByType,
.createEncoderByType = mediacodec_ndk_createEncoderByType,
.delete = mediacodec_ndk_delete,
.configure = mediacodec_ndk_configure,
.start = mediacodec_ndk_start,
.stop = mediacodec_ndk_stop,
.flush = mediacodec_ndk_flush,
.getInputBuffer = mediacodec_ndk_getInputBuffer,
.getOutputBuffer = mediacodec_ndk_getOutputBuffer,
.dequeueInputBuffer = mediacodec_ndk_dequeueInputBuffer,
.queueInputBuffer = mediacodec_ndk_queueInputBuffer,
.dequeueOutputBuffer = mediacodec_ndk_dequeueOutputBuffer,
.getOutputFormat = mediacodec_ndk_getOutputFormat,
.releaseOutputBuffer = mediacodec_ndk_releaseOutputBuffer,
.releaseOutputBufferAtTime = mediacodec_ndk_releaseOutputBufferAtTime,
.infoTryAgainLater = mediacodec_ndk_infoTryAgainLater,
.infoOutputBuffersChanged = mediacodec_ndk_infoOutputBuffersChanged,
.infoOutputFormatChanged = mediacodec_ndk_infoOutputFormatChanged,
.getBufferFlagCodecConfig = mediacodec_ndk_getBufferFlagCodecConfig,
.getBufferFlagEndOfStream = mediacodec_ndk_getBufferFlagEndOfStream,
.getBufferFlagKeyFrame = mediacodec_ndk_getBufferFlagKeyFrame,
.getConfigureFlagEncode = mediacodec_ndk_getConfigureFlagEncode,
.cleanOutputBuffers = mediacodec_ndk_cleanOutputBuffers,
.signalEndOfInputStream = mediacodec_ndk_signalEndOfInputStream,
};
FFAMediaFormat *ff_AMediaFormat_new(int ndk)
{
if (ndk)
return media_format_ndk.create();
return media_format_jni.create();
}
FFAMediaCodec* ff_AMediaCodec_createCodecByName(const char *name, int ndk)
{
if (ndk)
return media_codec_ndk.createCodecByName(name);
return media_codec_jni.createCodecByName(name);
}
FFAMediaCodec* ff_AMediaCodec_createDecoderByType(const char *mime_type, int ndk)
{
if (ndk)
return media_codec_ndk.createDecoderByType(mime_type);
return media_codec_jni.createDecoderByType(mime_type);
}
FFAMediaCodec* ff_AMediaCodec_createEncoderByType(const char *mime_type, int ndk)
{
if (ndk)
return media_codec_ndk.createEncoderByType(mime_type);
return media_codec_jni.createEncoderByType(mime_type);
}
int ff_Build_SDK_INT(AVCodecContext *avctx)
{
int ret = -1;
#if __ANDROID_API__ >= 24
// android_get_device_api_level() is a static inline before API level 29.
// dlsym() might doesn't work.
//
// We can implement android_get_device_api_level() by
// __system_property_get(), but __system_property_get() has created a lot of
// troubles and is deprecated. So avoid using __system_property_get() for
// now.
//
// Hopy we can remove the conditional compilation finally by bumping the
// required API level.
//
ret = android_get_device_api_level();
#else
JNIEnv *env = NULL;
jclass versionClass;
jfieldID sdkIntFieldID;
JNI_GET_ENV_OR_RETURN(env, avctx, -1);
versionClass = (*env)->FindClass(env, "android/os/Build$VERSION");
sdkIntFieldID = (*env)->GetStaticFieldID(env, versionClass, "SDK_INT", "I");
ret = (*env)->GetStaticIntField(env, versionClass, sdkIntFieldID);
(*env)->DeleteLocalRef(env, versionClass);
#endif
av_log(avctx, AV_LOG_DEBUG, "device api level %d\n", ret);
return ret;
}
static struct {
enum FFAMediaFormatColorRange mf_range;
enum AVColorRange range;
} color_range_map[] = {
{ COLOR_RANGE_FULL, AVCOL_RANGE_JPEG },
{ COLOR_RANGE_LIMITED, AVCOL_RANGE_MPEG },
};
static struct {
enum FFAMediaFormatColorStandard mf_standard;
enum AVColorSpace space;
} color_space_map[] = {
{ COLOR_STANDARD_BT709, AVCOL_SPC_BT709 },
{ COLOR_STANDARD_BT601_PAL, AVCOL_SPC_BT470BG },
{ COLOR_STANDARD_BT601_NTSC, AVCOL_SPC_SMPTE170M },
{ COLOR_STANDARD_BT2020, AVCOL_SPC_BT2020_NCL },
};
static struct {
enum FFAMediaFormatColorStandard mf_standard;
enum AVColorPrimaries primaries;
} color_primaries_map[] = {
{ COLOR_STANDARD_BT709, AVCOL_PRI_BT709 },
{ COLOR_STANDARD_BT601_PAL, AVCOL_PRI_BT470BG },
{ COLOR_STANDARD_BT601_NTSC, AVCOL_PRI_SMPTE170M },
{ COLOR_STANDARD_BT2020, AVCOL_PRI_BT2020 },
};
static struct {
enum FFAMediaFormatColorTransfer mf_transfer;
enum AVColorTransferCharacteristic transfer;
} color_transfer_map[] = {
{ COLOR_TRANSFER_LINEAR, AVCOL_TRC_LINEAR },
{ COLOR_TRANSFER_SDR_VIDEO, AVCOL_TRC_SMPTE170M },
{ COLOR_TRANSFER_ST2084, AVCOL_TRC_SMPTEST2084 },
{ COLOR_TRANSFER_HLG, AVCOL_TRC_ARIB_STD_B67 },
};
enum AVColorRange ff_AMediaFormatColorRange_to_AVColorRange(int color_range)
{
for (int i = 0; i < FF_ARRAY_ELEMS(color_range_map); i++)
if (color_range_map[i].mf_range == color_range)
return color_range_map[i].range;
return AVCOL_RANGE_UNSPECIFIED;
}
int ff_AMediaFormatColorRange_from_AVColorRange(enum AVColorRange color_range)
{
for (int i = 0; i < FF_ARRAY_ELEMS(color_range_map); i++)
if (color_range_map[i].range == color_range)
return color_range_map[i].mf_range;
return COLOR_RANGE_UNSPECIFIED;
}
enum AVColorSpace ff_AMediaFormatColorStandard_to_AVColorSpace(int color_standard)
{
for (int i = 0; i < FF_ARRAY_ELEMS(color_space_map); i++)
if (color_space_map[i].mf_standard == color_standard)
return color_space_map[i].space;
return AVCOL_SPC_UNSPECIFIED;
}
int ff_AMediaFormatColorStandard_from_AVColorSpace(enum AVColorSpace color_space)
{
for (int i = 0; i < FF_ARRAY_ELEMS(color_space_map); i++)
if (color_space_map[i].space == color_space)
return color_space_map[i].mf_standard;
return COLOR_STANDARD_UNSPECIFIED;
}
enum AVColorPrimaries ff_AMediaFormatColorStandard_to_AVColorPrimaries(int color_standard)
{
for (int i = 0; i < FF_ARRAY_ELEMS(color_primaries_map); i++)
if (color_primaries_map[i].mf_standard == color_standard)
return color_primaries_map[i].primaries;
return AVCOL_PRI_UNSPECIFIED;
}
enum AVColorTransferCharacteristic
ff_AMediaFormatColorTransfer_to_AVColorTransfer(int color_transfer)
{
for (int i = 0; i < FF_ARRAY_ELEMS(color_transfer_map); i++)
if (color_transfer_map[i].mf_transfer == color_transfer)
return color_transfer_map[i].transfer;
return AVCOL_TRC_UNSPECIFIED;
}
int ff_AMediaFormatColorTransfer_from_AVColorTransfer(
enum AVColorTransferCharacteristic color_transfer)
{
for (int i = 0; i < FF_ARRAY_ELEMS(color_transfer_map); i++)
if (color_transfer_map[i].transfer == color_transfer)
return color_transfer_map[i].mf_transfer;
return COLOR_TRANSFER_UNSPECIFIED;
}