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Code Issues Releases Activity

lavc/mediacodec_wrapper: factorize MediaCodec creation functions

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This commit is contained in:
Matthieu Bouron 2017-12-13 13:49:58 +01:00
parent 8bf4e6d3ce
commit f3cffd121b
1 changed files with 31 additions and 135 deletions
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166
libavcodec/mediacodec_wrapper.c
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@ -1132,13 +1132,18 @@ fail:
return ret;
}
FFAMediaCodec* ff_AMediaCodec_createCodecByName(const char *name)
#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;
FFAMediaCodec *codec = NULL;
jstring codec_name = NULL;
jstring jarg = NULL;
jobject object = NULL;
jmethodID create_id = NULL;
codec = av_mallocz(sizeof(FFAMediaCodec));
if (!codec) {
@ -1156,12 +1161,23 @@ FFAMediaCodec* ff_AMediaCodec_createCodecByName(const char *name)
goto fail;
}
codec_name = ff_jni_utf_chars_to_jstring(env, name, codec);
if (!codec_name) {
jarg = ff_jni_utf_chars_to_jstring(env, arg, codec);
if (!jarg) {
goto fail;
}
object = (*env)->CallStaticObjectMethod(env, codec->jfields.mediacodec_class, codec->jfields.create_by_codec_name_id, codec_name);
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;
}
@ -1181,8 +1197,8 @@ FFAMediaCodec* ff_AMediaCodec_createCodecByName(const char *name)
ret = 0;
fail:
if (codec_name) {
(*env)->DeleteLocalRef(env, codec_name);
if (jarg) {
(*env)->DeleteLocalRef(env, jarg);
}
if (object) {
@ -1197,135 +1213,15 @@ fail:
return codec;
}
FFAMediaCodec* ff_AMediaCodec_createDecoderByType(const char *mime)
{
int ret = -1;
JNIEnv *env = NULL;
FFAMediaCodec *codec = NULL;
jstring mime_type = NULL;
jobject object = NULL;
#define DECLARE_FF_AMEDIACODEC_CREATE_FUNC(name, method) \
FFAMediaCodec *ff_AMediaCodec_##name(const char *arg) \
{ \
return codec_create(method, arg); \
} \
codec = av_mallocz(sizeof(FFAMediaCodec));
if (!codec) {
return NULL;
}
codec->class = &amediacodec_class;
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;
}
mime_type = ff_jni_utf_chars_to_jstring(env, mime, codec);
if (!mime_type) {
goto fail;
}
object = (*env)->CallStaticObjectMethod(env, codec->jfields.mediacodec_class, codec->jfields.create_decoder_by_type_id, mime_type);
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;
}
ret = 0;
fail:
if (mime_type) {
(*env)->DeleteLocalRef(env, mime_type);
}
if (object) {
(*env)->DeleteLocalRef(env, object);
}
if (ret < 0) {
ff_jni_reset_jfields(env, &codec->jfields, jni_amediacodec_mapping, 1, codec);
av_freep(&codec);
}
return codec;
}
FFAMediaCodec* ff_AMediaCodec_createEncoderByType(const char *mime)
{
int ret = -1;
JNIEnv *env = NULL;
FFAMediaCodec *codec = NULL;
jstring mime_type = NULL;
jobject object = NULL;
codec = av_mallocz(sizeof(FFAMediaCodec));
if (!codec) {
return NULL;
}
codec->class = &amediacodec_class;
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;
}
mime_type = ff_jni_utf_chars_to_jstring(env, mime, codec);
if (!mime_type) {
goto fail;
}
object = (*env)->CallStaticObjectMethod(env, codec->jfields.mediacodec_class, codec->jfields.create_encoder_by_type_id, mime_type);
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;
}
ret = 0;
fail:
if (mime_type) {
(*env)->DeleteLocalRef(env, mime_type);
}
if (object) {
(*env)->DeleteLocalRef(env, object);
}
if (ret < 0) {
ff_jni_reset_jfields(env, &codec->jfields, jni_amediacodec_mapping, 1, codec);
av_freep(&codec);
}
return codec;
}
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)
int ff_AMediaCodec_delete(FFAMediaCodec* codec)
{