gstreamer/sys/androidmedia/jni/gstamc-codeclist-jni.c
Xavier Claessens 29ef89983c amc: Create JNI wrapper for MediaCodecList
There is no NdkMediaCodecList API yet, but it is still better to isolate
JNI code. This will facilitate porting to a native API if Google ever
release one.
2019-08-20 08:53:55 -04:00

518 lines
13 KiB
C

/*
* Copyright (C) 2012,2018 Collabora Ltd.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
* Copyright (C) 2015, Sebastian Dröge <sebastian@centricular.com>
*
* This library 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
* version 2.1 of the License.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "../gstjniutils.h"
#include "../gstamc-codeclist.h"
struct _GstAmcCodecInfoHandle
{
jobject object;
};
struct _GstAmcCodecCapabilitiesHandle
{
jobject object;
};
static struct
{
jclass klass;
jmethodID get_codec_count;
jmethodID get_codec_info_at;
} media_codeclist;
static struct
{
jclass klass;
jmethodID get_capabilities_for_type;
jmethodID get_name;
jmethodID get_supported_types;
jmethodID is_encoder;
} media_codecinfo;
static struct
{
jclass klass;
jfieldID color_formats;
jfieldID profile_levels;
} media_codeccapabilities;
static struct
{
jclass klass;
jfieldID level;
jfieldID profile;
} media_codecprofilelevel;
gboolean
gst_amc_codeclist_static_init (void)
{
JNIEnv *env;
GError *err = NULL;
env = gst_amc_jni_get_env ();
media_codeclist.klass =
gst_amc_jni_get_class (env, &err, "android/media/MediaCodecList");
if (!media_codeclist.klass) {
GST_ERROR ("Failed to get android.media.MediaCodecList class: %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codeclist.get_codec_count =
gst_amc_jni_get_method_id (env, &err, media_codeclist.klass,
"getCodecCount", "()I");
if (!media_codeclist.get_codec_count) {
GST_ERROR ("Failed to get android.media.MediaCodecList getCodecCount(): %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codeclist.get_codec_info_at =
gst_amc_jni_get_method_id (env, &err, media_codeclist.klass,
"getCodecInfoAt", "(I)Landroid/media/MediaCodecInfo;");
if (!media_codeclist.get_codec_count) {
GST_ERROR
("Failed to get android.media.MediaCodecList getCodecInfoAt(): %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codecinfo.klass =
gst_amc_jni_get_class (env, &err, "android/media/MediaCodecInfo");
if (!media_codecinfo.klass) {
GST_ERROR ("Failed to get android.media.MediaCodecInfo class: %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codecinfo.get_capabilities_for_type =
gst_amc_jni_get_method_id (env, &err, media_codecinfo.klass,
"getCapabilitiesForType",
"(Ljava/lang/String;)Landroid/media/MediaCodecInfo$CodecCapabilities;");
if (!media_codecinfo.get_capabilities_for_type) {
GST_ERROR
("Failed to get android.media.MediaCodecInfo getCapabilitiesForType(): %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codecinfo.get_name =
gst_amc_jni_get_method_id (env, &err, media_codecinfo.klass, "getName",
"()Ljava/lang/String;");
if (!media_codecinfo.get_name) {
GST_ERROR ("Failed to get android.media.MediaCodecInfo getName(): %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codecinfo.get_supported_types =
gst_amc_jni_get_method_id (env, &err, media_codecinfo.klass,
"getSupportedTypes", "()[Ljava/lang/String;");
if (!media_codecinfo.get_supported_types) {
GST_ERROR
("Failed to get android.media.MediaCodecInfo getSupportedTypes(): %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codecinfo.is_encoder =
gst_amc_jni_get_method_id (env, &err, media_codecinfo.klass, "isEncoder",
"()Z");
if (!media_codecinfo.is_encoder) {
GST_ERROR ("Failed to get android.media.MediaCodecInfo isEncoder(): %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codeccapabilities.klass =
gst_amc_jni_get_class (env, &err,
"android/media/MediaCodecInfo/CodecCapabilities");
if (!media_codeccapabilities.klass) {
GST_ERROR
("Failed to get android.media.MediaCodecInfo.CodecCapabilities class: %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codeccapabilities.color_formats =
gst_amc_jni_get_field_id (env, &err, media_codeccapabilities.klass,
"colorFormats", "[I");
if (!media_codeccapabilities.color_formats) {
GST_ERROR
("Failed to get android.media.MediaCodecInfo.CodecCapabilities colorFormats: %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codeccapabilities.profile_levels =
gst_amc_jni_get_field_id (env, &err, media_codeccapabilities.klass,
"profileLevels", "[Landroid/media/MediaCodecInfo$CodecProfileLevel;");
if (!media_codeccapabilities.profile_levels) {
GST_ERROR
("Failed to get android.media.MediaCodecInfo.CodecCapabilities profileLevels: %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codecprofilelevel.klass =
gst_amc_jni_get_class (env, &err,
"android/media/MediaCodecInfo/CodecProfileLevel");
if (!media_codecprofilelevel.klass) {
GST_ERROR
("Failed to get android.media.MediaCodecInfo.CodecProfileLevel class: %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codecprofilelevel.level =
gst_amc_jni_get_field_id (env, &err, media_codecprofilelevel.klass,
"level", "I");
if (!media_codecprofilelevel.level) {
GST_ERROR
("Failed to get android.media.MediaCodecInfo.CodecProfileLevel level: %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codecprofilelevel.profile =
gst_amc_jni_get_field_id (env, &err, media_codecprofilelevel.klass,
"profile", "I");
if (!media_codecprofilelevel.profile) {
GST_ERROR
("Failed to get android.media.MediaCodecInfo.CodecProfileLevel profile: %s",
err->message);
g_clear_error (&err);
return FALSE;
}
return TRUE;
}
gboolean
gst_amc_codeclist_get_count (gint * count, GError ** err)
{
JNIEnv *env;
env = gst_amc_jni_get_env ();
if (!gst_amc_jni_call_static_int_method (env, err, media_codeclist.klass,
media_codeclist.get_codec_count, count))
return FALSE;
return TRUE;
}
GstAmcCodecInfoHandle *
gst_amc_codeclist_get_codec_info_at (gint index, GError ** err)
{
GstAmcCodecInfoHandle *ret;
jobject object;
JNIEnv *env;
env = gst_amc_jni_get_env ();
if (!gst_amc_jni_call_static_object_method (env, err, media_codeclist.klass,
media_codeclist.get_codec_info_at, &object, index))
return NULL;
ret = g_new0 (GstAmcCodecInfoHandle, 1);
ret->object = object;
return ret;
}
void
gst_amc_codec_info_handle_free (GstAmcCodecInfoHandle * handle)
{
JNIEnv *env;
g_return_if_fail (handle != NULL);
env = gst_amc_jni_get_env ();
if (handle->object)
gst_amc_jni_object_unref (env, handle->object);
g_free (handle);
}
gchar *
gst_amc_codec_info_handle_get_name (GstAmcCodecInfoHandle * handle,
GError ** err)
{
JNIEnv *env;
jstring v_str = NULL;
g_return_val_if_fail (handle != NULL, NULL);
env = gst_amc_jni_get_env ();
if (!gst_amc_jni_call_object_method (env, err, handle->object,
media_codecinfo.get_name, &v_str))
return NULL;
return gst_amc_jni_string_to_gchar (env, v_str, TRUE);
}
gboolean
gst_amc_codec_info_handle_is_encoder (GstAmcCodecInfoHandle * handle,
gboolean * is_encoder, GError ** err)
{
JNIEnv *env;
g_return_val_if_fail (handle != NULL, FALSE);
g_return_val_if_fail (is_encoder != NULL, FALSE);
env = gst_amc_jni_get_env ();
if (!gst_amc_jni_call_boolean_method (env, err, handle->object,
media_codecinfo.is_encoder, is_encoder))
return FALSE;
return TRUE;
}
gchar **
gst_amc_codec_info_handle_get_supported_types (GstAmcCodecInfoHandle * handle,
gsize * length, GError ** err)
{
JNIEnv *env;
jarray array = NULL;
jsize len;
jsize i;
gchar **strv = NULL;
g_return_val_if_fail (handle != NULL, NULL);
env = gst_amc_jni_get_env ();
if (!gst_amc_jni_call_object_method (env, err, handle->object,
media_codecinfo.get_name, &array))
goto done;
len = (*env)->GetArrayLength (env, array);
if ((*env)->ExceptionCheck (env)) {
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED, "Failed to get array length");
goto done;
}
strv = g_new0 (gchar *, len + 1);
*length = len;
for (i = 0; i < len; i++) {
jstring string;
string = (*env)->GetObjectArrayElement (env, array, i);
if ((*env)->ExceptionCheck (env)) {
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED, "Failed to get array element");
g_strfreev (strv);
strv = NULL;
goto done;
}
strv[i] = gst_amc_jni_string_to_gchar (env, string, TRUE);
if (!strv[i]) {
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED, "Failed create string");
g_strfreev (strv);
strv = NULL;
goto done;
}
}
done:
if (array)
(*env)->DeleteLocalRef (env, array);
return strv;
}
GstAmcCodecCapabilitiesHandle *
gst_amc_codec_info_handle_get_capabilities_for_type (GstAmcCodecInfoHandle *
handle, const gchar * type, GError ** err)
{
GstAmcCodecCapabilitiesHandle *ret = NULL;
jstring type_str;
jobject object;
JNIEnv *env;
env = gst_amc_jni_get_env ();
type_str = gst_amc_jni_string_from_gchar (env, err, FALSE, type);
if (!type_str)
goto done;
if (!gst_amc_jni_call_object_method (env, err, handle->object,
media_codecinfo.get_capabilities_for_type, &object, type_str))
goto done;
ret = g_new0 (GstAmcCodecCapabilitiesHandle, 1);
ret->object = object;
done:
if (type_str)
gst_amc_jni_object_local_unref (env, type_str);
return ret;
}
void
gst_amc_codec_capabilities_handle_free (GstAmcCodecCapabilitiesHandle * handle)
{
JNIEnv *env;
g_return_if_fail (handle != NULL);
env = gst_amc_jni_get_env ();
if (handle->object)
gst_amc_jni_object_unref (env, handle->object);
g_free (handle);
}
gint *gst_amc_codec_capabilities_handle_get_color_formats
(GstAmcCodecCapabilitiesHandle * handle, gsize * length, GError ** err)
{
JNIEnv *env;
jarray array = NULL;
jsize len;
jint *elems = NULL;
gint *ret = NULL;
g_return_val_if_fail (handle != NULL, NULL);
env = gst_amc_jni_get_env ();
if (!gst_amc_jni_get_object_field (env, err, handle->object,
media_codeccapabilities.color_formats, &array))
goto done;
len = (*env)->GetArrayLength (env, array);
if ((*env)->ExceptionCheck (env)) {
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED, "Failed to get array length");
goto done;
}
elems = (*env)->GetIntArrayElements (env, array, NULL);
if ((*env)->ExceptionCheck (env)) {
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED, "Failed to get array elements");
goto done;
}
ret = g_memdup (elems, sizeof (jint) * len);
*length = len;
done:
if (elems)
(*env)->ReleaseIntArrayElements (env, array, elems, JNI_ABORT);
if (array)
(*env)->DeleteLocalRef (env, array);
return ret;
}
GstAmcCodecProfileLevel *gst_amc_codec_capabilities_handle_get_profile_levels
(GstAmcCodecCapabilitiesHandle * handle, gsize * length, GError ** err)
{
GstAmcCodecProfileLevel *ret = NULL;
JNIEnv *env;
jobject array = NULL;
jsize len;
jsize i;
env = gst_amc_jni_get_env ();
if (!gst_amc_jni_get_object_field (env, err, handle->object,
media_codeccapabilities.profile_levels, &array))
goto done;
len = (*env)->GetArrayLength (env, array);
if ((*env)->ExceptionCheck (env)) {
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED, "Failed to get array length");
goto done;
}
ret = g_new0 (GstAmcCodecProfileLevel, len);
*length = len;
for (i = 0; i < len; i++) {
jobject object = NULL;
object = (*env)->GetObjectArrayElement (env, array, i);
if ((*env)->ExceptionCheck (env)) {
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED, "Failed to get array element");
g_free (ret);
ret = NULL;
goto done;
}
if (!gst_amc_jni_get_int_field (env, err, object,
media_codecprofilelevel.level, &ret[i].level)) {
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED, "Failed to get level");
(*env)->DeleteLocalRef (env, object);
g_free (ret);
ret = NULL;
goto done;
}
if (!gst_amc_jni_get_int_field (env, err, object,
media_codecprofilelevel.profile, &ret[i].profile)) {
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED, "Failed to get profile");
(*env)->DeleteLocalRef (env, object);
g_free (ret);
ret = NULL;
goto done;
}
(*env)->DeleteLocalRef (env, object);
}
done:
if (array)
(*env)->DeleteLocalRef (env, array);
return ret;
}