mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-05 07:56:35 +00:00
a50ce9c6b0
When implementing NDK media support, it would be useful to also have JNI implementation in the same binary as NDK media compatibility is lower. As such, implement a rudimentary vtable system for gstamc-codec and gstamc-format, and allow choosing the implementation at static_init() time. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4115>
1125 lines
30 KiB
C
1125 lines
30 KiB
C
/*
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* Copyright (C) 2012,2018 Collabora Ltd.
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* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
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* Copyright (C) 2015, Sebastian Dröge <sebastian@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation
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* version 2.1 of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "../gstjniutils.h"
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#include "../gstamc-codec.h"
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#include "../gstamc-constants.h"
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#include "gstamc-jni.h"
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#include "gstamc-internal-jni.h"
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#include "gstamcsurfacetexture-jni.h"
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#include "gstamcsurface.h"
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#define PARAMETER_KEY_REQUEST_SYNC_FRAME "request-sync"
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#define PARAMETER_KEY_VIDEO_BITRATE "video-bitrate"
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struct _GstAmcCodec
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{
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jobject object; /* global reference */
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RealBuffer *input_buffers, *output_buffers;
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gsize n_input_buffers, n_output_buffers;
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GstAmcSurface *surface;
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gboolean is_encoder;
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};
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static struct
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{
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jclass klass;
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jmethodID configure;
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jmethodID create_by_codec_name;
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jmethodID dequeue_input_buffer;
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jmethodID dequeue_output_buffer;
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jmethodID flush;
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jmethodID get_input_buffers;
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jmethodID get_input_buffer;
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jmethodID get_output_buffers;
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jmethodID get_output_buffer;
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jmethodID get_output_format;
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jmethodID queue_input_buffer;
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jmethodID release;
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jmethodID release_output_buffer;
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jmethodID start;
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jmethodID stop;
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jmethodID setParameters;
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} media_codec;
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static struct
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{
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jclass klass;
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jmethodID constructor;
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jfieldID flags;
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jfieldID offset;
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jfieldID presentation_time_us;
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jfieldID size;
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} media_codec_buffer_info;
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static struct
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{
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jclass klass;
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jmethodID constructor;
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jmethodID putInt;
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} bundle_class;
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static struct
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{
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jclass klass;
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jmethodID get_limit, get_position;
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jmethodID set_limit, set_position;
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jmethodID clear;
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} java_nio_buffer;
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gboolean
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gst_amc_codec_jni_static_init (void)
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{
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gboolean ret = TRUE;
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JNIEnv *env;
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jclass tmp;
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GError *err = NULL;
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env = gst_amc_jni_get_env ();
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java_nio_buffer.klass = gst_amc_jni_get_class (env, &err, "java/nio/Buffer");
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if (!java_nio_buffer.klass) {
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GST_ERROR ("Failed to get java.nio.Buffer class: %s", err->message);
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g_clear_error (&err);
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return FALSE;
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}
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java_nio_buffer.get_limit =
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gst_amc_jni_get_method_id (env, &err, java_nio_buffer.klass, "limit",
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"()I");
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if (!java_nio_buffer.get_limit) {
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GST_ERROR ("Failed to get java.nio.Buffer limit(): %s", err->message);
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g_clear_error (&err);
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return FALSE;
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}
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java_nio_buffer.get_position =
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gst_amc_jni_get_method_id (env, &err, java_nio_buffer.klass, "position",
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"()I");
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if (!java_nio_buffer.get_position) {
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GST_ERROR ("Failed to get java.nio.Buffer position(): %s", err->message);
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g_clear_error (&err);
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return FALSE;
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}
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java_nio_buffer.set_limit =
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gst_amc_jni_get_method_id (env, &err, java_nio_buffer.klass, "limit",
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"(I)Ljava/nio/Buffer;");
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if (!java_nio_buffer.set_limit) {
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GST_ERROR ("Failed to get java.nio.Buffer limit(): %s", err->message);
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g_clear_error (&err);
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return FALSE;
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}
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java_nio_buffer.set_position =
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gst_amc_jni_get_method_id (env, &err, java_nio_buffer.klass, "position",
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"(I)Ljava/nio/Buffer;");
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if (!java_nio_buffer.set_position) {
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GST_ERROR ("Failed to get java.nio.Buffer position(): %s", err->message);
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g_clear_error (&err);
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return FALSE;
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}
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java_nio_buffer.clear =
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gst_amc_jni_get_method_id (env, &err, java_nio_buffer.klass, "clear",
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"()Ljava/nio/Buffer;");
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if (!java_nio_buffer.clear) {
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GST_ERROR ("Failed to get java.nio.Buffer clear(): %s", err->message);
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g_clear_error (&err);
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return FALSE;
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}
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tmp = (*env)->FindClass (env, "android/media/MediaCodec$BufferInfo");
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if (!tmp) {
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ret = FALSE;
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(*env)->ExceptionClear (env);
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GST_ERROR ("Failed to get codec buffer info class");
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goto done;
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}
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media_codec_buffer_info.klass = (*env)->NewGlobalRef (env, tmp);
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if (!media_codec_buffer_info.klass) {
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ret = FALSE;
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GST_ERROR ("Failed to get codec buffer info class global reference");
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if ((*env)->ExceptionCheck (env)) {
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(*env)->ExceptionDescribe (env);
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(*env)->ExceptionClear (env);
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}
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goto done;
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}
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(*env)->DeleteLocalRef (env, tmp);
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tmp = NULL;
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media_codec_buffer_info.constructor =
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(*env)->GetMethodID (env, media_codec_buffer_info.klass, "<init>", "()V");
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media_codec_buffer_info.flags =
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(*env)->GetFieldID (env, media_codec_buffer_info.klass, "flags", "I");
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media_codec_buffer_info.offset =
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(*env)->GetFieldID (env, media_codec_buffer_info.klass, "offset", "I");
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media_codec_buffer_info.presentation_time_us =
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(*env)->GetFieldID (env, media_codec_buffer_info.klass,
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"presentationTimeUs", "J");
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media_codec_buffer_info.size =
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(*env)->GetFieldID (env, media_codec_buffer_info.klass, "size", "I");
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if (!media_codec_buffer_info.constructor || !media_codec_buffer_info.flags
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|| !media_codec_buffer_info.offset
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|| !media_codec_buffer_info.presentation_time_us
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|| !media_codec_buffer_info.size) {
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ret = FALSE;
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GST_ERROR ("Failed to get buffer info methods and fields");
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if ((*env)->ExceptionCheck (env)) {
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(*env)->ExceptionDescribe (env);
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(*env)->ExceptionClear (env);
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}
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goto done;
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}
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tmp = (*env)->FindClass (env, "android/media/MediaCodec");
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if (!tmp) {
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ret = FALSE;
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GST_ERROR ("Failed to get codec class");
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if ((*env)->ExceptionCheck (env)) {
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(*env)->ExceptionDescribe (env);
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(*env)->ExceptionClear (env);
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}
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goto done;
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}
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media_codec.klass = (*env)->NewGlobalRef (env, tmp);
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if (!media_codec.klass) {
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ret = FALSE;
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GST_ERROR ("Failed to get codec class global reference");
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if ((*env)->ExceptionCheck (env)) {
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(*env)->ExceptionDescribe (env);
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(*env)->ExceptionClear (env);
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}
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goto done;
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}
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(*env)->DeleteLocalRef (env, tmp);
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tmp = NULL;
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media_codec.create_by_codec_name =
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(*env)->GetStaticMethodID (env, media_codec.klass, "createByCodecName",
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"(Ljava/lang/String;)Landroid/media/MediaCodec;");
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media_codec.configure =
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(*env)->GetMethodID (env, media_codec.klass, "configure",
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"(Landroid/media/MediaFormat;Landroid/view/Surface;Landroid/media/MediaCrypto;I)V");
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media_codec.dequeue_input_buffer =
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(*env)->GetMethodID (env, media_codec.klass, "dequeueInputBuffer",
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"(J)I");
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media_codec.dequeue_output_buffer =
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(*env)->GetMethodID (env, media_codec.klass, "dequeueOutputBuffer",
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"(Landroid/media/MediaCodec$BufferInfo;J)I");
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media_codec.flush =
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(*env)->GetMethodID (env, media_codec.klass, "flush", "()V");
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media_codec.get_input_buffers =
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(*env)->GetMethodID (env, media_codec.klass, "getInputBuffers",
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"()[Ljava/nio/ByteBuffer;");
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media_codec.get_output_buffers =
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(*env)->GetMethodID (env, media_codec.klass, "getOutputBuffers",
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"()[Ljava/nio/ByteBuffer;");
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media_codec.get_output_format =
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(*env)->GetMethodID (env, media_codec.klass, "getOutputFormat",
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"()Landroid/media/MediaFormat;");
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media_codec.queue_input_buffer =
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(*env)->GetMethodID (env, media_codec.klass, "queueInputBuffer",
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"(IIIJI)V");
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media_codec.release =
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(*env)->GetMethodID (env, media_codec.klass, "release", "()V");
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media_codec.release_output_buffer =
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(*env)->GetMethodID (env, media_codec.klass, "releaseOutputBuffer",
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"(IZ)V");
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media_codec.start =
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(*env)->GetMethodID (env, media_codec.klass, "start", "()V");
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media_codec.stop =
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(*env)->GetMethodID (env, media_codec.klass, "stop", "()V");
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if (!media_codec.configure ||
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!media_codec.create_by_codec_name ||
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!media_codec.dequeue_input_buffer ||
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!media_codec.dequeue_output_buffer ||
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!media_codec.flush ||
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!media_codec.get_input_buffers ||
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!media_codec.get_output_buffers ||
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!media_codec.get_output_format ||
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!media_codec.queue_input_buffer ||
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!media_codec.release ||
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!media_codec.release_output_buffer ||
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!media_codec.start || !media_codec.stop) {
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ret = FALSE;
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GST_ERROR ("Failed to get codec methods");
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if ((*env)->ExceptionCheck (env)) {
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(*env)->ExceptionDescribe (env);
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(*env)->ExceptionClear (env);
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}
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goto done;
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}
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media_codec.setParameters =
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(*env)->GetMethodID (env, media_codec.klass, "setParameters",
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"(Landroid/os/Bundle;)V");
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if ((*env)->ExceptionCheck (env))
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(*env)->ExceptionClear (env);
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/* Android >= 21 */
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media_codec.get_output_buffer =
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(*env)->GetMethodID (env, media_codec.klass, "getOutputBuffer",
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"(I)Ljava/nio/ByteBuffer;");
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if ((*env)->ExceptionCheck (env))
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(*env)->ExceptionClear (env);
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/* Android >= 21 */
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media_codec.get_input_buffer =
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(*env)->GetMethodID (env, media_codec.klass, "getInputBuffer",
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"(I)Ljava/nio/ByteBuffer;");
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if ((*env)->ExceptionCheck (env))
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(*env)->ExceptionClear (env);
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if (media_codec.setParameters != NULL) {
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/* Bundle needed for parameter setting on Android >= 19 */
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tmp = (*env)->FindClass (env, "android/os/Bundle");
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if (!tmp) {
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ret = FALSE;
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GST_ERROR ("Failed to get Bundle class");
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if ((*env)->ExceptionCheck (env)) {
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(*env)->ExceptionDescribe (env);
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(*env)->ExceptionClear (env);
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}
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goto done;
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}
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bundle_class.klass = (*env)->NewGlobalRef (env, tmp);
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if (!bundle_class.klass) {
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ret = FALSE;
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GST_ERROR ("Failed to get Bundle class global reference");
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if ((*env)->ExceptionCheck (env)) {
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(*env)->ExceptionDescribe (env);
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(*env)->ExceptionClear (env);
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}
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goto done;
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}
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(*env)->DeleteLocalRef (env, tmp);
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tmp = NULL;
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bundle_class.constructor =
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(*env)->GetMethodID (env, bundle_class.klass, "<init>", "()V");
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bundle_class.putInt =
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(*env)->GetMethodID (env, bundle_class.klass, "putInt",
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"(Ljava/lang/String;I)V");
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if (!bundle_class.constructor || !bundle_class.putInt) {
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ret = FALSE;
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GST_ERROR ("Failed to get Bundle methods");
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if ((*env)->ExceptionCheck (env)) {
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(*env)->ExceptionDescribe (env);
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(*env)->ExceptionClear (env);
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}
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goto done;
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}
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}
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done:
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if (tmp)
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(*env)->DeleteLocalRef (env, tmp);
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tmp = NULL;
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return ret;
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}
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static void
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gst_amc_jni_free_buffer_array (JNIEnv * env, RealBuffer * buffers,
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gsize n_buffers)
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{
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jsize i;
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g_return_if_fail (buffers != NULL);
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for (i = 0; i < n_buffers; i++) {
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if (buffers[i].object)
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gst_amc_jni_object_unref (env, buffers[i].object);
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}
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g_free (buffers);
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}
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static gboolean
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gst_amc_jni_get_buffer_array (JNIEnv * env, GError ** err, jobject array,
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RealBuffer ** buffers_, gsize * n_buffers)
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{
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RealBuffer **buffers = (RealBuffer **) buffers_;
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jsize i;
|
|
|
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*n_buffers = (*env)->GetArrayLength (env, array);
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*buffers = g_new0 (RealBuffer, *n_buffers);
|
|
|
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for (i = 0; i < *n_buffers; i++) {
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jobject buffer = NULL;
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|
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buffer = (*env)->GetObjectArrayElement (env, array, i);
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if ((*env)->ExceptionCheck (env)) {
|
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gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
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GST_LIBRARY_ERROR_FAILED, "Failed to get buffer %d", i);
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goto error;
|
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}
|
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|
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/* NULL buffers are not a problem and are happening when we configured
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* a surface as input/output */
|
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if (!buffer)
|
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continue;
|
|
|
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(*buffers)[i].object = gst_amc_jni_object_make_global (env, buffer);
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if (!(*buffers)[i].object) {
|
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gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
|
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GST_LIBRARY_ERROR_FAILED,
|
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"Failed to create global buffer reference %d", i);
|
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goto error;
|
|
}
|
|
|
|
(*buffers)[i].data =
|
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(*env)->GetDirectBufferAddress (env, (*buffers)[i].object);
|
|
if (!(*buffers)[i].data) {
|
|
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
|
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GST_LIBRARY_ERROR_FAILED, "Failed to get buffer address %d", i);
|
|
goto error;
|
|
}
|
|
(*buffers)[i].size =
|
|
(*env)->GetDirectBufferCapacity (env, (*buffers)[i].object);
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
error:
|
|
if (*buffers)
|
|
gst_amc_jni_free_buffer_array (env, *buffers, *n_buffers);
|
|
*buffers = NULL;
|
|
*n_buffers = 0;
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gst_amc_buffer_jni_free (GstAmcBuffer * buffer_)
|
|
{
|
|
RealBuffer *buffer = (RealBuffer *) buffer_;
|
|
JNIEnv *env;
|
|
|
|
g_return_if_fail (buffer != NULL);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
|
|
if (buffer->object)
|
|
gst_amc_jni_object_unref (env, buffer->object);
|
|
g_free (buffer);
|
|
}
|
|
|
|
static GstAmcBuffer *
|
|
gst_amc_buffer_copy (RealBuffer * buffer)
|
|
{
|
|
JNIEnv *env;
|
|
RealBuffer *ret;
|
|
|
|
g_return_val_if_fail (buffer != NULL, NULL);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
|
|
ret = g_new0 (RealBuffer, 1);
|
|
|
|
ret->object = gst_amc_jni_object_ref (env, buffer->object);
|
|
ret->data = buffer->data;
|
|
ret->size = buffer->size;
|
|
|
|
return (GstAmcBuffer *) ret;
|
|
}
|
|
|
|
gboolean
|
|
gst_amc_buffer_get_position_and_limit (RealBuffer * buffer_, GError ** err,
|
|
gint * position, gint * limit)
|
|
{
|
|
RealBuffer *buffer = (RealBuffer *) buffer_;
|
|
JNIEnv *env;
|
|
|
|
g_return_val_if_fail (buffer != NULL, FALSE);
|
|
g_return_val_if_fail (buffer->object != NULL, FALSE);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
|
|
if (!gst_amc_jni_call_int_method (env, err, buffer->object,
|
|
java_nio_buffer.get_position, position))
|
|
return FALSE;
|
|
|
|
if (!gst_amc_jni_call_int_method (env, err, buffer->object,
|
|
java_nio_buffer.get_limit, limit))
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_amc_buffer_jni_set_position_and_limit (GstAmcBuffer * buffer_,
|
|
GError ** err, gint position, gint limit)
|
|
{
|
|
RealBuffer *buffer = (RealBuffer *) buffer_;
|
|
JNIEnv *env;
|
|
jobject tmp;
|
|
|
|
g_return_val_if_fail (buffer != NULL, FALSE);
|
|
g_return_val_if_fail (buffer->object != NULL, FALSE);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
|
|
if (!gst_amc_jni_call_object_method (env, err, buffer->object,
|
|
java_nio_buffer.set_limit, &tmp, limit))
|
|
return FALSE;
|
|
|
|
gst_amc_jni_object_local_unref (env, tmp);
|
|
|
|
if (!gst_amc_jni_call_object_method (env, err, buffer->object,
|
|
java_nio_buffer.set_position, &tmp, position))
|
|
return FALSE;
|
|
|
|
gst_amc_jni_object_local_unref (env, tmp);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static GstAmcCodec *
|
|
gst_amc_codec_jni_new (const gchar * name, gboolean is_encoder, GError ** err)
|
|
{
|
|
JNIEnv *env;
|
|
GstAmcCodec *codec = NULL;
|
|
jstring name_str;
|
|
jobject object = NULL;
|
|
|
|
g_return_val_if_fail (name != NULL, NULL);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
|
|
name_str = gst_amc_jni_string_from_gchar (env, err, FALSE, name);
|
|
if (!name_str) {
|
|
goto error;
|
|
}
|
|
|
|
codec = g_slice_new0 (GstAmcCodec);
|
|
codec->is_encoder = is_encoder;
|
|
|
|
if (!gst_amc_jni_call_static_object_method (env, err, media_codec.klass,
|
|
media_codec.create_by_codec_name, &object, name_str))
|
|
goto error;
|
|
|
|
codec->object = gst_amc_jni_object_make_global (env, object);
|
|
object = NULL;
|
|
|
|
if (!codec->object) {
|
|
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
|
|
GST_LIBRARY_ERROR_SETTINGS, "Failed to create global codec reference");
|
|
goto error;
|
|
}
|
|
|
|
done:
|
|
if (name_str)
|
|
gst_amc_jni_object_local_unref (env, name_str);
|
|
name_str = NULL;
|
|
|
|
return codec;
|
|
|
|
error:
|
|
if (codec)
|
|
g_slice_free (GstAmcCodec, codec);
|
|
codec = NULL;
|
|
goto done;
|
|
}
|
|
|
|
static void
|
|
gst_amc_codec_jni_free (GstAmcCodec * codec)
|
|
{
|
|
JNIEnv *env;
|
|
|
|
g_return_if_fail (codec != NULL);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
|
|
if (codec->input_buffers)
|
|
gst_amc_jni_free_buffer_array (env, codec->input_buffers,
|
|
codec->n_input_buffers);
|
|
codec->input_buffers = NULL;
|
|
codec->n_input_buffers = 0;
|
|
|
|
if (codec->output_buffers)
|
|
gst_amc_jni_free_buffer_array (env, codec->output_buffers,
|
|
codec->n_output_buffers);
|
|
codec->output_buffers = NULL;
|
|
codec->n_output_buffers = 0;
|
|
|
|
g_clear_object (&codec->surface);
|
|
|
|
gst_amc_jni_object_unref (env, codec->object);
|
|
g_slice_free (GstAmcCodec, codec);
|
|
}
|
|
|
|
static gboolean
|
|
gst_amc_codec_jni_configure (GstAmcCodec * codec, GstAmcFormat * format,
|
|
GstAmcSurfaceTexture * surface, GError ** err)
|
|
{
|
|
JNIEnv *env;
|
|
gint flags = 0;
|
|
|
|
g_return_val_if_fail (codec != NULL, FALSE);
|
|
g_return_val_if_fail (format != NULL, FALSE);
|
|
g_return_val_if_fail (surface == NULL
|
|
|| GST_IS_AMC_SURFACE_TEXTURE_JNI (surface), FALSE);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
|
|
if (surface) {
|
|
g_object_unref (codec->surface);
|
|
codec->surface =
|
|
gst_amc_surface_new ((GstAmcSurfaceTextureJNI *) surface, err);
|
|
if (!codec->surface)
|
|
return FALSE;
|
|
}
|
|
|
|
if (codec->is_encoder)
|
|
flags = 1;
|
|
|
|
return gst_amc_jni_call_void_method (env, err, codec->object,
|
|
media_codec.configure, format->object,
|
|
codec->surface ? codec->surface->jobject : NULL, NULL, flags);
|
|
}
|
|
|
|
static GstAmcFormat *
|
|
gst_amc_codec_jni_get_output_format (GstAmcCodec * codec, GError ** err)
|
|
{
|
|
JNIEnv *env;
|
|
GstAmcFormat *ret = NULL;
|
|
jobject object = NULL;
|
|
|
|
g_return_val_if_fail (codec != NULL, NULL);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
|
|
if (!gst_amc_jni_call_object_method (env, err, codec->object,
|
|
media_codec.get_output_format, &object))
|
|
goto done;
|
|
|
|
ret = g_slice_new0 (GstAmcFormat);
|
|
|
|
ret->object = gst_amc_jni_object_make_global (env, object);
|
|
if (!ret->object) {
|
|
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
|
|
GST_LIBRARY_ERROR_SETTINGS, "Failed to create global format reference");
|
|
g_slice_free (GstAmcFormat, ret);
|
|
ret = NULL;
|
|
}
|
|
|
|
done:
|
|
|
|
return ret;
|
|
}
|
|
|
|
static RealBuffer *
|
|
gst_amc_codec_jni_get_input_buffers (GstAmcCodec * codec,
|
|
gsize * n_buffers, GError ** err)
|
|
{
|
|
JNIEnv *env;
|
|
jobject input_buffers = NULL;
|
|
RealBuffer *ret = NULL;
|
|
|
|
g_return_val_if_fail (codec != NULL, NULL);
|
|
g_return_val_if_fail (n_buffers != NULL, NULL);
|
|
|
|
*n_buffers = 0;
|
|
env = gst_amc_jni_get_env ();
|
|
|
|
if (!gst_amc_jni_call_object_method (env, err, codec->object,
|
|
media_codec.get_input_buffers, &input_buffers))
|
|
goto done;
|
|
|
|
gst_amc_jni_get_buffer_array (env, err, input_buffers, &ret, n_buffers);
|
|
|
|
done:
|
|
if (input_buffers)
|
|
gst_amc_jni_object_local_unref (env, input_buffers);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static RealBuffer *
|
|
gst_amc_codec_jni_get_output_buffers (GstAmcCodec * codec,
|
|
gsize * n_buffers, GError ** err)
|
|
{
|
|
JNIEnv *env;
|
|
jobject output_buffers = NULL;
|
|
RealBuffer *ret = NULL;
|
|
|
|
g_return_val_if_fail (codec != NULL, NULL);
|
|
g_return_val_if_fail (n_buffers != NULL, NULL);
|
|
|
|
*n_buffers = 0;
|
|
env = gst_amc_jni_get_env ();
|
|
|
|
if (!gst_amc_jni_call_object_method (env, err, codec->object,
|
|
media_codec.get_output_buffers, &output_buffers))
|
|
goto done;
|
|
|
|
gst_amc_jni_get_buffer_array (env, err, output_buffers, &ret, n_buffers);
|
|
|
|
done:
|
|
if (output_buffers)
|
|
gst_amc_jni_object_local_unref (env, output_buffers);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
gst_amc_codec_jni_start (GstAmcCodec * codec, GError ** err)
|
|
{
|
|
JNIEnv *env;
|
|
gboolean ret;
|
|
|
|
g_return_val_if_fail (codec != NULL, FALSE);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
ret = gst_amc_jni_call_void_method (env, err, codec->object,
|
|
media_codec.start);
|
|
if (!ret)
|
|
return ret;
|
|
|
|
if (!media_codec.get_input_buffer) {
|
|
if (codec->input_buffers)
|
|
gst_amc_jni_free_buffer_array (env, codec->input_buffers,
|
|
codec->n_input_buffers);
|
|
codec->input_buffers =
|
|
gst_amc_codec_jni_get_input_buffers (codec, &codec->n_input_buffers,
|
|
err);
|
|
if (!codec->input_buffers) {
|
|
gst_amc_codec_stop (codec, NULL);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
gst_amc_codec_jni_stop (GstAmcCodec * codec, GError ** err)
|
|
{
|
|
JNIEnv *env;
|
|
|
|
g_return_val_if_fail (codec != NULL, FALSE);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
|
|
if (codec->input_buffers)
|
|
gst_amc_jni_free_buffer_array (env, codec->input_buffers,
|
|
codec->n_input_buffers);
|
|
codec->input_buffers = NULL;
|
|
codec->n_input_buffers = 0;
|
|
|
|
if (codec->output_buffers)
|
|
gst_amc_jni_free_buffer_array (env, codec->output_buffers,
|
|
codec->n_output_buffers);
|
|
codec->output_buffers = NULL;
|
|
codec->n_output_buffers = 0;
|
|
|
|
return gst_amc_jni_call_void_method (env, err, codec->object,
|
|
media_codec.stop);
|
|
}
|
|
|
|
static gboolean
|
|
gst_amc_codec_jni_flush (GstAmcCodec * codec, GError ** err)
|
|
{
|
|
JNIEnv *env;
|
|
|
|
g_return_val_if_fail (codec != NULL, FALSE);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
return gst_amc_jni_call_void_method (env, err, codec->object,
|
|
media_codec.flush);
|
|
}
|
|
|
|
static gboolean
|
|
gst_amc_codec_jni_set_parameter (GstAmcCodec * codec, JNIEnv * env,
|
|
GError ** err, const gchar * key, int value)
|
|
{
|
|
gboolean ret = FALSE;
|
|
jobject bundle = NULL;
|
|
jstring jkey = NULL;
|
|
|
|
if (media_codec.setParameters == NULL)
|
|
goto done; // Not available means we're on Android < 19
|
|
|
|
bundle = gst_amc_jni_new_object (env, err, FALSE, bundle_class.klass,
|
|
bundle_class.constructor);
|
|
if (!bundle)
|
|
goto done;
|
|
|
|
jkey = (*env)->NewStringUTF (env, key);
|
|
if (!gst_amc_jni_call_void_method (env, err,
|
|
bundle, bundle_class.putInt, jkey, value))
|
|
goto done;
|
|
|
|
if (!gst_amc_jni_call_void_method (env, err, codec->object,
|
|
media_codec.setParameters, bundle))
|
|
goto done;
|
|
|
|
ret = TRUE;
|
|
done:
|
|
if (jkey)
|
|
(*env)->DeleteLocalRef (env, jkey);
|
|
if (bundle)
|
|
(*env)->DeleteLocalRef (env, bundle);
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
gst_amc_codec_jni_request_key_frame (GstAmcCodec * codec, GError ** err)
|
|
{
|
|
JNIEnv *env;
|
|
|
|
g_return_val_if_fail (codec != NULL, FALSE);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
return gst_amc_codec_jni_set_parameter (codec, env, err,
|
|
PARAMETER_KEY_REQUEST_SYNC_FRAME, 0);
|
|
}
|
|
|
|
static gboolean
|
|
gst_amc_codec_jni_have_dynamic_bitrate ()
|
|
{
|
|
/* Dynamic bitrate scaling is supported on Android >= 19,
|
|
* where the setParameters() call is available */
|
|
return (media_codec.setParameters != NULL);
|
|
}
|
|
|
|
static gboolean
|
|
gst_amc_codec_jni_set_dynamic_bitrate (GstAmcCodec * codec, GError ** err,
|
|
gint bitrate)
|
|
{
|
|
JNIEnv *env;
|
|
|
|
g_return_val_if_fail (codec != NULL, FALSE);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
return gst_amc_codec_jni_set_parameter (codec, env, err,
|
|
PARAMETER_KEY_VIDEO_BITRATE, bitrate);
|
|
}
|
|
|
|
static gboolean
|
|
gst_amc_codec_jni_release (GstAmcCodec * codec, GError ** err)
|
|
{
|
|
JNIEnv *env;
|
|
|
|
g_return_val_if_fail (codec != NULL, FALSE);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
|
|
if (codec->input_buffers)
|
|
gst_amc_jni_free_buffer_array (env, codec->input_buffers,
|
|
codec->n_input_buffers);
|
|
codec->input_buffers = NULL;
|
|
codec->n_input_buffers = 0;
|
|
|
|
if (codec->output_buffers)
|
|
gst_amc_jni_free_buffer_array (env, codec->output_buffers,
|
|
codec->n_output_buffers);
|
|
codec->output_buffers = NULL;
|
|
codec->n_output_buffers = 0;
|
|
|
|
return gst_amc_jni_call_void_method (env, err, codec->object,
|
|
media_codec.release);
|
|
}
|
|
|
|
static GstAmcBuffer *
|
|
gst_amc_codec_jni_get_output_buffer (GstAmcCodec * codec, gint index,
|
|
GError ** err)
|
|
{
|
|
JNIEnv *env;
|
|
jobject buffer = NULL;
|
|
RealBuffer *ret = NULL;
|
|
|
|
g_return_val_if_fail (codec != NULL, NULL);
|
|
g_return_val_if_fail (index >= 0, NULL);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
|
|
if (!media_codec.get_output_buffer) {
|
|
g_return_val_if_fail (index < codec->n_output_buffers && index >= 0, NULL);
|
|
if (codec->output_buffers[index].object)
|
|
return gst_amc_buffer_copy (&codec->output_buffers[index]);
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
if (!gst_amc_jni_call_object_method (env, err, codec->object,
|
|
media_codec.get_output_buffer, &buffer, index))
|
|
goto done;
|
|
|
|
if (buffer != NULL) {
|
|
ret = g_new0 (RealBuffer, 1);
|
|
ret->object = gst_amc_jni_object_make_global (env, buffer);
|
|
if (!ret->object) {
|
|
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
|
|
GST_LIBRARY_ERROR_FAILED, "Failed to create global buffer reference");
|
|
goto error;
|
|
}
|
|
|
|
ret->data = (*env)->GetDirectBufferAddress (env, ret->object);
|
|
if (!ret->data) {
|
|
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
|
|
GST_LIBRARY_ERROR_FAILED, "Failed to get buffer address");
|
|
goto error;
|
|
}
|
|
ret->size = (*env)->GetDirectBufferCapacity (env, ret->object);
|
|
}
|
|
|
|
done:
|
|
|
|
return (GstAmcBuffer *) ret;
|
|
|
|
error:
|
|
if (ret->object)
|
|
gst_amc_jni_object_unref (env, ret->object);
|
|
g_free (ret);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static GstAmcBuffer *
|
|
gst_amc_codec_jni_get_input_buffer (GstAmcCodec * codec, gint index,
|
|
GError ** err)
|
|
{
|
|
JNIEnv *env;
|
|
jobject buffer = NULL;
|
|
RealBuffer *ret = NULL;
|
|
|
|
g_return_val_if_fail (codec != NULL, NULL);
|
|
g_return_val_if_fail (index >= 0, NULL);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
|
|
if (!media_codec.get_input_buffer) {
|
|
g_return_val_if_fail (index < codec->n_input_buffers && index >= 0, NULL);
|
|
if (codec->input_buffers[index].object)
|
|
return gst_amc_buffer_copy (&codec->input_buffers[index]);
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
if (!gst_amc_jni_call_object_method (env, err, codec->object,
|
|
media_codec.get_input_buffer, &buffer, index))
|
|
goto done;
|
|
|
|
if (buffer != NULL) {
|
|
ret = g_new0 (RealBuffer, 1);
|
|
ret->object = gst_amc_jni_object_make_global (env, buffer);
|
|
if (!ret->object) {
|
|
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
|
|
GST_LIBRARY_ERROR_FAILED, "Failed to create global buffer reference");
|
|
goto error;
|
|
}
|
|
|
|
ret->data = (*env)->GetDirectBufferAddress (env, ret->object);
|
|
if (!ret->data) {
|
|
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
|
|
GST_LIBRARY_ERROR_FAILED, "Failed to get buffer address");
|
|
goto error;
|
|
}
|
|
ret->size = (*env)->GetDirectBufferCapacity (env, ret->object);
|
|
}
|
|
|
|
done:
|
|
|
|
return (GstAmcBuffer *) ret;
|
|
|
|
error:
|
|
if (ret->object)
|
|
gst_amc_jni_object_unref (env, ret->object);
|
|
g_free (ret);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static gint
|
|
gst_amc_codec_jni_dequeue_input_buffer (GstAmcCodec * codec, gint64 timeoutUs,
|
|
GError ** err)
|
|
{
|
|
JNIEnv *env;
|
|
gint ret = G_MININT;
|
|
|
|
g_return_val_if_fail (codec != NULL, G_MININT);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
if (!gst_amc_jni_call_int_method (env, err, codec->object,
|
|
media_codec.dequeue_input_buffer, &ret, timeoutUs))
|
|
return G_MININT;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
gst_amc_codec_jni_fill_buffer_info (JNIEnv * env,
|
|
jobject buffer_info, GstAmcBufferInfo * info, GError ** err)
|
|
{
|
|
g_return_val_if_fail (buffer_info != NULL, FALSE);
|
|
|
|
if (!gst_amc_jni_get_int_field (env, err, buffer_info,
|
|
media_codec_buffer_info.flags, &info->flags))
|
|
return FALSE;
|
|
|
|
if (!gst_amc_jni_get_int_field (env, err, buffer_info,
|
|
media_codec_buffer_info.offset, &info->offset))
|
|
return FALSE;
|
|
|
|
if (!gst_amc_jni_get_long_field (env, err, buffer_info,
|
|
media_codec_buffer_info.presentation_time_us,
|
|
&info->presentation_time_us))
|
|
return FALSE;
|
|
|
|
if (!gst_amc_jni_get_int_field (env, err, buffer_info,
|
|
media_codec_buffer_info.size, &info->size))
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gint
|
|
gst_amc_codec_jni_dequeue_output_buffer (GstAmcCodec * codec,
|
|
GstAmcBufferInfo * info, gint64 timeoutUs, GError ** err)
|
|
{
|
|
JNIEnv *env;
|
|
gint ret = G_MININT;
|
|
jobject info_o = NULL;
|
|
|
|
g_return_val_if_fail (codec != NULL, G_MININT);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
|
|
info_o =
|
|
gst_amc_jni_new_object (env, err, FALSE, media_codec_buffer_info.klass,
|
|
media_codec_buffer_info.constructor);
|
|
if (!info_o)
|
|
goto done;
|
|
|
|
if (!gst_amc_jni_call_int_method (env, err, codec->object,
|
|
media_codec.dequeue_output_buffer, &ret, info_o, timeoutUs)) {
|
|
ret = G_MININT;
|
|
goto done;
|
|
}
|
|
|
|
if (ret == INFO_OUTPUT_BUFFERS_CHANGED || ret == INFO_OUTPUT_FORMAT_CHANGED
|
|
|| (ret >= 0 && !codec->output_buffers
|
|
&& !media_codec.get_output_buffer)) {
|
|
if (!media_codec.get_output_buffer) {
|
|
if (codec->output_buffers)
|
|
gst_amc_jni_free_buffer_array (env, codec->output_buffers,
|
|
codec->n_output_buffers);
|
|
codec->output_buffers =
|
|
gst_amc_codec_jni_get_output_buffers (codec, &codec->n_output_buffers,
|
|
err);
|
|
if (!codec->output_buffers) {
|
|
ret = G_MININT;
|
|
goto done;
|
|
}
|
|
}
|
|
if (ret == INFO_OUTPUT_BUFFERS_CHANGED) {
|
|
gst_amc_jni_object_local_unref (env, info_o);
|
|
return gst_amc_codec_dequeue_output_buffer (codec, info, timeoutUs, err);
|
|
}
|
|
} else if (ret < 0) {
|
|
goto done;
|
|
}
|
|
|
|
if (ret >= 0 && !gst_amc_codec_jni_fill_buffer_info (env, info_o, info, err)) {
|
|
ret = G_MININT;
|
|
goto done;
|
|
}
|
|
|
|
done:
|
|
if (info_o)
|
|
gst_amc_jni_object_local_unref (env, info_o);
|
|
info_o = NULL;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
gst_amc_codec_jni_queue_input_buffer (GstAmcCodec * codec, gint index,
|
|
const GstAmcBufferInfo * info, GError ** err)
|
|
{
|
|
JNIEnv *env;
|
|
|
|
g_return_val_if_fail (codec != NULL, FALSE);
|
|
g_return_val_if_fail (info != NULL, FALSE);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
return gst_amc_jni_call_void_method (env, err, codec->object,
|
|
media_codec.queue_input_buffer, index, info->offset, info->size,
|
|
info->presentation_time_us, info->flags);
|
|
}
|
|
|
|
static gboolean
|
|
gst_amc_codec_jni_release_output_buffer (GstAmcCodec * codec, gint index,
|
|
gboolean render, GError ** err)
|
|
{
|
|
JNIEnv *env;
|
|
|
|
g_return_val_if_fail (codec != NULL, FALSE);
|
|
|
|
env = gst_amc_jni_get_env ();
|
|
return gst_amc_jni_call_void_method (env, err, codec->object,
|
|
media_codec.release_output_buffer, index, render);
|
|
}
|
|
|
|
static GstAmcSurfaceTexture *
|
|
gst_amc_codec_jni_new_surface_texture (GError ** err)
|
|
{
|
|
return (GstAmcSurfaceTexture *) gst_amc_surface_texture_jni_new (err);
|
|
}
|
|
|
|
GstAmcCodecVTable gst_amc_codec_jni_vtable = {
|
|
.buffer_free = gst_amc_buffer_jni_free,
|
|
.buffer_set_position_and_limit = gst_amc_buffer_jni_set_position_and_limit,
|
|
|
|
.create = gst_amc_codec_jni_new,
|
|
.free = gst_amc_codec_jni_free,
|
|
|
|
.configure = gst_amc_codec_jni_configure,
|
|
.get_output_format = gst_amc_codec_jni_get_output_format,
|
|
|
|
.start = gst_amc_codec_jni_start,
|
|
.stop = gst_amc_codec_jni_stop,
|
|
.flush = gst_amc_codec_jni_flush,
|
|
.request_key_frame = gst_amc_codec_jni_request_key_frame,
|
|
|
|
.have_dynamic_bitrate = gst_amc_codec_jni_have_dynamic_bitrate,
|
|
.set_dynamic_bitrate = gst_amc_codec_jni_set_dynamic_bitrate,
|
|
|
|
.release = gst_amc_codec_jni_release,
|
|
|
|
.get_output_buffer = gst_amc_codec_jni_get_output_buffer,
|
|
.get_input_buffer = gst_amc_codec_jni_get_input_buffer,
|
|
|
|
.dequeue_input_buffer = gst_amc_codec_jni_dequeue_input_buffer,
|
|
.dequeue_output_buffer = gst_amc_codec_jni_dequeue_output_buffer,
|
|
|
|
.queue_input_buffer = gst_amc_codec_jni_queue_input_buffer,
|
|
.release_output_buffer = gst_amc_codec_jni_release_output_buffer,
|
|
|
|
.new_surface_texture = gst_amc_codec_jni_new_surface_texture,
|
|
};
|