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Code Issues Releases Activity

avcodec/mediacodec_wrapper: use hardcoded value of profiles from MediaCodecInfo

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Those are static const values and documented at
https://developer.android.com/reference/android/media/MediaCodecInfo.CodecProfileLevel
No runtime query is needed. Now the method can be used without JVM.

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
This commit is contained in:
Zhao Zhili 2022-11-28 00:40:04 +08:00
parent 3dcb630ca1
commit 0da8802e95
1 changed files with 31 additions and 63 deletions

94
libavcodec/mediacodec_wrapper.c

@ -57,19 +57,6 @@ struct JNIAMediaCodecListFields {
jclass codec_profile_level_class;
jfieldID profile_id;
jfieldID level_id;
jfieldID avc_profile_baseline_id;
jfieldID avc_profile_main_id;
jfieldID avc_profile_extended_id;
jfieldID avc_profile_high_id;
jfieldID avc_profile_high10_id;
jfieldID avc_profile_high422_id;
jfieldID avc_profile_high444_id;
jfieldID hevc_profile_main_id;
jfieldID hevc_profile_main10_id;
jfieldID hevc_profile_main10_hdr10_id;
};
static const struct FFJniField jni_amediacodeclist_mapping[] = {
@ -95,18 +82,6 @@ static const struct FFJniField jni_amediacodeclist_mapping[] = {
{ "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 },
{ "android/media/MediaCodecInfo$CodecProfileLevel", "AVCProfileBaseline", "I", FF_JNI_STATIC_FIELD, offsetof(struct JNIAMediaCodecListFields, avc_profile_baseline_id), 1 },
{ "android/media/MediaCodecInfo$CodecProfileLevel", "AVCProfileMain", "I", FF_JNI_STATIC_FIELD, offsetof(struct JNIAMediaCodecListFields, avc_profile_main_id), 1 },
{ "android/media/MediaCodecInfo$CodecProfileLevel", "AVCProfileExtended", "I", FF_JNI_STATIC_FIELD, offsetof(struct JNIAMediaCodecListFields, avc_profile_extended_id), 1 },
{ "android/media/MediaCodecInfo$CodecProfileLevel", "AVCProfileHigh", "I", FF_JNI_STATIC_FIELD, offsetof(struct JNIAMediaCodecListFields, avc_profile_high_id), 1 },
{ "android/media/MediaCodecInfo$CodecProfileLevel", "AVCProfileHigh10", "I", FF_JNI_STATIC_FIELD, offsetof(struct JNIAMediaCodecListFields, avc_profile_high10_id), 1 },
{ "android/media/MediaCodecInfo$CodecProfileLevel", "AVCProfileHigh422", "I", FF_JNI_STATIC_FIELD, offsetof(struct JNIAMediaCodecListFields, avc_profile_high422_id), 1 },
{ "android/media/MediaCodecInfo$CodecProfileLevel", "AVCProfileHigh444", "I", FF_JNI_STATIC_FIELD, offsetof(struct JNIAMediaCodecListFields, avc_profile_high444_id), 1 },
{ "android/media/MediaCodecInfo$CodecProfileLevel", "HEVCProfileMain", "I", FF_JNI_STATIC_FIELD, offsetof(struct JNIAMediaCodecListFields, hevc_profile_main_id), 0 },
{ "android/media/MediaCodecInfo$CodecProfileLevel", "HEVCProfileMain10", "I", FF_JNI_STATIC_FIELD, offsetof(struct JNIAMediaCodecListFields, hevc_profile_main10_id), 0 },
{ "android/media/MediaCodecInfo$CodecProfileLevel", "HEVCProfileMain10HDR10", "I", FF_JNI_STATIC_FIELD, offsetof(struct JNIAMediaCodecListFields, hevc_profile_main10_hdr10_id), 0 },
{ NULL }
};
@ -326,71 +301,64 @@ static const FFAMediaCodec media_codec_jni;
int ff_AMediaCodecProfile_getProfileFromAVCodecContext(AVCodecContext *avctx)
{
int ret = -1;
// 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;
JNIEnv *env = NULL;
struct JNIAMediaCodecListFields jfields = { 0 };
jfieldID field_id = 0;
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;
JNI_GET_ENV_OR_RETURN(env, avctx, -1);
if (ff_jni_init_jfields(env, &jfields, jni_amediacodeclist_mapping, 0, avctx) < 0) {
goto done;
}
// Unused yet.
(void)AVCProfileConstrainedHigh;
(void)HEVCProfileMain10HDR10;
(void)HEVCProfileMain10HDR10Plus;
if (avctx->codec_id == AV_CODEC_ID_H264) {
switch(avctx->profile) {
case FF_PROFILE_H264_BASELINE:
return AVCProfileBaseline;
case FF_PROFILE_H264_CONSTRAINED_BASELINE:
field_id = jfields.avc_profile_baseline_id;
break;
return AVCProfileConstrainedBaseline;
case FF_PROFILE_H264_MAIN:
field_id = jfields.avc_profile_main_id;
return AVCProfileMain;
break;
case FF_PROFILE_H264_EXTENDED:
field_id = jfields.avc_profile_extended_id;
break;
return AVCProfileExtended;
case FF_PROFILE_H264_HIGH:
field_id = jfields.avc_profile_high_id;
break;
return AVCProfileHigh;
case FF_PROFILE_H264_HIGH_10:
case FF_PROFILE_H264_HIGH_10_INTRA:
field_id = jfields.avc_profile_high10_id;
break;
return AVCProfileHigh10;
case FF_PROFILE_H264_HIGH_422:
case FF_PROFILE_H264_HIGH_422_INTRA:
field_id = jfields.avc_profile_high422_id;
break;
return AVCProfileHigh422;
case FF_PROFILE_H264_HIGH_444:
case FF_PROFILE_H264_HIGH_444_INTRA:
case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
field_id = jfields.avc_profile_high444_id;
break;
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:
field_id = jfields.hevc_profile_main_id;
break;
return HEVCProfileMainStill;
case FF_PROFILE_HEVC_MAIN_10:
field_id = jfields.hevc_profile_main10_id;
break;
return HEVCProfileMain10;
}
}
if (field_id) {
ret = (*env)->GetStaticIntField(env, jfields.codec_profile_level_class, field_id);
if (ff_jni_exception_check(env, 1, avctx) < 0) {
ret = -1;
goto done;
}
}
done:
ff_jni_reset_jfields(env, &jfields, jni_amediacodeclist_mapping, 0, avctx);
return ret;
return -1;
}
char *ff_AMediaCodecList_getCodecNameByType(const char *mime, int profile, int encoder, void *log_ctx)