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gstreamer/sys/androidmedia/gstamc.c
Sebastian Dröge 6fa3f058b1 androidmedia: Rename plugin
2012-10-15 16:37:54 +02:00

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/*
* Copyright (C) 2012, Collabora Ltd.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* 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 "gstamc.h"
#include "gstamc-constants.h"
#include "gstamcvideodec.h"
#include "gstamcaudiodec.h"
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/audio/audio.h>
#include <string.h>
#include <jni.h>
#include <pthread.h>
GST_DEBUG_CATEGORY (gst_amc_debug);
#define GST_CAT_DEFAULT gst_amc_debug
GQuark gst_amc_codec_info_quark = 0;
static GList *codec_infos = NULL;
#ifdef GST_AMC_IGNORE_UNKNOWN_COLOR_FORMATS
static gboolean ignore_unknown_color_formats = TRUE;
#else
static gboolean ignore_unknown_color_formats = FALSE;
#endif
static GModule *java_module;
static jint (*get_created_java_vms) (JavaVM ** vmBuf, jsize bufLen,
jsize * nVMs);
static jint (*create_java_vm) (JavaVM ** p_vm, JNIEnv ** p_env, void *vm_args);
static JavaVM *java_vm;
static gboolean started_java_vm = FALSE;
static gboolean accepted_color_formats (GstAmcCodecType * type,
gboolean is_encoder);
/* Global cached references */
static struct
{
jclass klass;
jmethodID constructor;
} java_string;
static struct
{
jclass klass;
jmethodID configure;
jmethodID create_by_codec_name;
jmethodID dequeue_input_buffer;
jmethodID dequeue_output_buffer;
jmethodID flush;
jmethodID get_input_buffers;
jmethodID get_output_buffers;
jmethodID get_output_format;
jmethodID queue_input_buffer;
jmethodID release;
jmethodID release_output_buffer;
jmethodID start;
jmethodID stop;
} media_codec;
static struct
{
jclass klass;
jmethodID constructor;
jfieldID flags;
jfieldID offset;
jfieldID presentation_time_us;
jfieldID size;
} media_codec_buffer_info;
static struct
{
jclass klass;
jmethodID create_audio_format;
jmethodID create_video_format;
jmethodID to_string;
jmethodID contains_key;
jmethodID get_float;
jmethodID set_float;
jmethodID get_integer;
jmethodID set_integer;
jmethodID get_string;
jmethodID set_string;
jmethodID get_byte_buffer;
jmethodID set_byte_buffer;
} media_format;
static pthread_key_t current_jni_env;
static JNIEnv *
gst_amc_attach_current_thread (void)
{
JNIEnv *env;
JavaVMAttachArgs args;
GST_DEBUG ("Attaching thread %p", g_thread_self ());
args.version = JNI_VERSION_1_6;
args.name = NULL;
args.group = NULL;
if ((*java_vm)->AttachCurrentThread (java_vm, &env, &args) < 0) {
GST_ERROR ("Failed to attach current thread");
return NULL;
}
return env;
}
static void
gst_amc_detach_current_thread (void *env)
{
GST_DEBUG ("Detaching thread %p", g_thread_self ());
(*java_vm)->DetachCurrentThread (java_vm);
}
static JNIEnv *
gst_amc_get_jni_env (void)
{
JNIEnv *env;
if ((env = pthread_getspecific (current_jni_env)) == NULL) {
env = gst_amc_attach_current_thread ();
pthread_setspecific (current_jni_env, env);
}
return env;
}
static gboolean
initialize_java_vm (void)
{
jsize n_vms;
java_module = g_module_open ("libdvm", G_MODULE_BIND_LOCAL);
if (!java_module)
goto load_failed;
if (!g_module_symbol (java_module, "JNI_CreateJavaVM",
(gpointer *) & create_java_vm))
goto symbol_error;
if (!g_module_symbol (java_module, "JNI_GetCreatedJavaVMs",
(gpointer *) & get_created_java_vms))
goto symbol_error;
n_vms = 0;
if (get_created_java_vms (&java_vm, 1, &n_vms) < 0)
goto get_created_failed;
if (n_vms > 0) {
GST_DEBUG ("Successfully got existing Java VM %p", java_vm);
} else {
JNIEnv *env;
JavaVMInitArgs vm_args;
JavaVMOption options[4];
options[0].optionString = "-verbose:jni";
options[1].optionString = "-verbose:gc";
options[2].optionString = "-Xcheck:jni";
options[3].optionString = "-Xdebug";
vm_args.version = JNI_VERSION_1_4;
vm_args.options = options;
vm_args.nOptions = 4;
vm_args.ignoreUnrecognized = JNI_TRUE;
if (create_java_vm (&java_vm, &env, &vm_args) < 0)
goto create_failed;
GST_DEBUG ("Successfully created Java VM %p", java_vm);
started_java_vm = TRUE;
}
return java_vm != NULL;
load_failed:
{
GST_ERROR ("Failed to load libdvm: %s", g_module_error ());
return FALSE;
}
symbol_error:
{
GST_ERROR ("Failed to locate required JNI symbols in libdvm: %s",
g_module_error ());
g_module_close (java_module);
java_module = NULL;
return FALSE;
}
get_created_failed:
{
GST_ERROR ("Failed to get already created VMs");
g_module_close (java_module);
java_module = NULL;
return FALSE;
}
create_failed:
{
GST_ERROR ("Failed to create a Java VM");
g_module_close (java_module);
java_module = NULL;
return FALSE;
}
}
GstAmcCodec *
gst_amc_codec_new (const gchar * name)
{
JNIEnv *env;
GstAmcCodec *codec = NULL;
jstring name_str;
jobject object = NULL;
g_return_val_if_fail (name != NULL, NULL);
env = gst_amc_get_jni_env ();
name_str = (*env)->NewStringUTF (env, name);
if (name_str == NULL)
goto error;
codec = g_slice_new0 (GstAmcCodec);
object =
(*env)->CallStaticObjectMethod (env, media_codec.klass,
media_codec.create_by_codec_name, name_str);
if ((*env)->ExceptionCheck (env) || !object) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to create codec '%s'", name);
goto error;
}
codec->object = (*env)->NewGlobalRef (env, object);
if (!codec->object) {
GST_ERROR ("Failed to create global reference");
(*env)->ExceptionClear (env);
goto error;
}
done:
if (object)
(*env)->DeleteLocalRef (env, object);
if (name_str)
(*env)->DeleteLocalRef (env, name_str);
name_str = NULL;
return codec;
error:
if (codec)
g_slice_free (GstAmcCodec, codec);
codec = NULL;
goto done;
}
void
gst_amc_codec_free (GstAmcCodec * codec)
{
JNIEnv *env;
g_return_if_fail (codec != NULL);
env = gst_amc_get_jni_env ();
(*env)->DeleteGlobalRef (env, codec->object);
g_slice_free (GstAmcCodec, codec);
}
gboolean
gst_amc_codec_configure (GstAmcCodec * codec, GstAmcFormat * format, gint flags)
{
JNIEnv *env;
gboolean ret = TRUE;
g_return_val_if_fail (codec != NULL, FALSE);
g_return_val_if_fail (format != NULL, FALSE);
env = gst_amc_get_jni_env ();
(*env)->CallVoidMethod (env, codec->object, media_codec.configure,
format->object, NULL, NULL, flags);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
ret = FALSE;
goto done;
}
done:
return ret;
}
GstAmcFormat *
gst_amc_codec_get_output_format (GstAmcCodec * codec)
{
JNIEnv *env;
GstAmcFormat *ret = NULL;
jobject object = NULL;
g_return_val_if_fail (codec != NULL, NULL);
env = gst_amc_get_jni_env ();
object =
(*env)->CallObjectMethod (env, codec->object,
media_codec.get_output_format);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
goto done;
}
ret = g_slice_new0 (GstAmcFormat);
ret->object = (*env)->NewGlobalRef (env, object);
if (!ret->object) {
GST_ERROR ("Failed to create global reference");
(*env)->ExceptionClear (env);
g_slice_free (GstAmcFormat, ret);
ret = NULL;
}
(*env)->DeleteLocalRef (env, object);
done:
return ret;
}
gboolean
gst_amc_codec_start (GstAmcCodec * codec)
{
JNIEnv *env;
gboolean ret = TRUE;
g_return_val_if_fail (codec != NULL, FALSE);
env = gst_amc_get_jni_env ();
(*env)->CallVoidMethod (env, codec->object, media_codec.start);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
ret = FALSE;
goto done;
}
done:
return ret;
}
gboolean
gst_amc_codec_stop (GstAmcCodec * codec)
{
JNIEnv *env;
gboolean ret = TRUE;
g_return_val_if_fail (codec != NULL, FALSE);
env = gst_amc_get_jni_env ();
(*env)->CallVoidMethod (env, codec->object, media_codec.stop);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
ret = FALSE;
goto done;
}
done:
return ret;
}
gboolean
gst_amc_codec_flush (GstAmcCodec * codec)
{
JNIEnv *env;
gboolean ret = TRUE;
g_return_val_if_fail (codec != NULL, FALSE);
env = gst_amc_get_jni_env ();
(*env)->CallVoidMethod (env, codec->object, media_codec.flush);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
ret = FALSE;
goto done;
}
done:
return ret;
}
gboolean
gst_amc_codec_release (GstAmcCodec * codec)
{
JNIEnv *env;
gboolean ret = TRUE;
g_return_val_if_fail (codec != NULL, FALSE);
env = gst_amc_get_jni_env ();
(*env)->CallVoidMethod (env, codec->object, media_codec.release);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
ret = FALSE;
goto done;
}
done:
return ret;
}
void
gst_amc_codec_free_buffers (GstAmcBuffer * buffers, gsize n_buffers)
{
JNIEnv *env;
jsize i;
g_return_if_fail (buffers != NULL);
env = gst_amc_get_jni_env ();
for (i = 0; i < n_buffers; i++) {
if (buffers[i].object)
(*env)->DeleteGlobalRef (env, buffers[i].object);
}
g_free (buffers);
}
GstAmcBuffer *
gst_amc_codec_get_output_buffers (GstAmcCodec * codec, gsize * n_buffers)
{
JNIEnv *env;
jobject output_buffers = NULL;
jsize n_output_buffers;
GstAmcBuffer *ret = NULL;
jsize i;
g_return_val_if_fail (codec != NULL, NULL);
g_return_val_if_fail (n_buffers != NULL, NULL);
*n_buffers = 0;
env = gst_amc_get_jni_env ();
output_buffers =
(*env)->CallObjectMethod (env, codec->object,
media_codec.get_output_buffers);
if ((*env)->ExceptionCheck (env) || !output_buffers) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
goto done;
}
n_output_buffers = (*env)->GetArrayLength (env, output_buffers);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get output buffers array length");
goto done;
}
*n_buffers = n_output_buffers;
ret = g_new0 (GstAmcBuffer, n_output_buffers);
for (i = 0; i < n_output_buffers; i++) {
jobject buffer = NULL;
buffer = (*env)->GetObjectArrayElement (env, output_buffers, i);
if ((*env)->ExceptionCheck (env) || !buffer) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get output buffer %d", i);
goto error;
}
ret[i].object = (*env)->NewGlobalRef (env, buffer);
(*env)->DeleteLocalRef (env, buffer);
if (!ret[i].object) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to create global reference %d", i);
goto error;
}
ret[i].data = (*env)->GetDirectBufferAddress (env, ret[i].object);
if (!ret[i].data) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get buffer address %d", i);
goto error;
}
ret[i].size = (*env)->GetDirectBufferCapacity (env, ret[i].object);
}
done:
if (output_buffers)
(*env)->DeleteLocalRef (env, output_buffers);
output_buffers = NULL;
return ret;
error:
if (ret)
gst_amc_codec_free_buffers (ret, n_output_buffers);
ret = NULL;
*n_buffers = 0;
goto done;
}
GstAmcBuffer *
gst_amc_codec_get_input_buffers (GstAmcCodec * codec, gsize * n_buffers)
{
JNIEnv *env;
jobject input_buffers = NULL;
jsize n_input_buffers;
GstAmcBuffer *ret = NULL;
jsize i;
g_return_val_if_fail (codec != NULL, NULL);
g_return_val_if_fail (n_buffers != NULL, NULL);
*n_buffers = 0;
env = gst_amc_get_jni_env ();
input_buffers =
(*env)->CallObjectMethod (env, codec->object,
media_codec.get_input_buffers);
if ((*env)->ExceptionCheck (env) || !input_buffers) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
goto done;
}
n_input_buffers = (*env)->GetArrayLength (env, input_buffers);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get input buffers array length");
goto done;
}
*n_buffers = n_input_buffers;
ret = g_new0 (GstAmcBuffer, n_input_buffers);
for (i = 0; i < n_input_buffers; i++) {
jobject buffer = NULL;
buffer = (*env)->GetObjectArrayElement (env, input_buffers, i);
if ((*env)->ExceptionCheck (env) || !buffer) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get input buffer %d", i);
goto error;
}
ret[i].object = (*env)->NewGlobalRef (env, buffer);
(*env)->DeleteLocalRef (env, buffer);
if (!ret[i].object) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to create global reference %d", i);
goto error;
}
ret[i].data = (*env)->GetDirectBufferAddress (env, ret[i].object);
if (!ret[i].data) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get buffer address %d", i);
goto error;
}
ret[i].size = (*env)->GetDirectBufferCapacity (env, ret[i].object);
}
done:
if (input_buffers)
(*env)->DeleteLocalRef (env, input_buffers);
input_buffers = NULL;
return ret;
error:
if (ret)
gst_amc_codec_free_buffers (ret, n_input_buffers);
ret = NULL;
*n_buffers = 0;
goto done;
}
gint
gst_amc_codec_dequeue_input_buffer (GstAmcCodec * codec, gint64 timeoutUs)
{
JNIEnv *env;
gint ret = G_MININT;
g_return_val_if_fail (codec != NULL, G_MININT);
env = gst_amc_get_jni_env ();
ret =
(*env)->CallIntMethod (env, codec->object,
media_codec.dequeue_input_buffer, timeoutUs);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
ret = G_MININT;
goto done;
}
done:
return ret;
}
static gboolean
gst_amc_codec_fill_buffer_info (JNIEnv * env, jobject buffer_info,
GstAmcBufferInfo * info)
{
g_return_val_if_fail (buffer_info != NULL, FALSE);
info->flags =
(*env)->GetIntField (env, buffer_info, media_codec_buffer_info.flags);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get buffer info field");
return FALSE;
}
info->offset =
(*env)->GetIntField (env, buffer_info, media_codec_buffer_info.offset);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get buffer info field");
return FALSE;
}
info->presentation_time_us =
(*env)->GetLongField (env, buffer_info,
media_codec_buffer_info.presentation_time_us);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get buffer info field");
return FALSE;
}
info->size =
(*env)->GetIntField (env, buffer_info, media_codec_buffer_info.size);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get buffer info field");
return FALSE;
}
return TRUE;
}
gint
gst_amc_codec_dequeue_output_buffer (GstAmcCodec * codec,
GstAmcBufferInfo * info, gint64 timeoutUs)
{
JNIEnv *env;
gint ret = G_MININT;
jobject info_o = NULL;
g_return_val_if_fail (codec != NULL, G_MININT);
env = gst_amc_get_jni_env ();
info_o =
(*env)->NewObject (env, media_codec_buffer_info.klass,
media_codec_buffer_info.constructor);
if (!info_o) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
goto done;
}
ret =
(*env)->CallIntMethod (env, codec->object,
media_codec.dequeue_output_buffer, info_o, timeoutUs);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
ret = G_MININT;
goto done;
}
if (!gst_amc_codec_fill_buffer_info (env, info_o, info)) {
ret = G_MININT;
goto done;
}
done:
if (info_o)
(*env)->DeleteLocalRef (env, info_o);
info_o = NULL;
return ret;
}
gboolean
gst_amc_codec_queue_input_buffer (GstAmcCodec * codec, gint index,
const GstAmcBufferInfo * info)
{
JNIEnv *env;
gboolean ret = TRUE;
g_return_val_if_fail (codec != NULL, FALSE);
g_return_val_if_fail (info != NULL, FALSE);
env = gst_amc_get_jni_env ();
(*env)->CallVoidMethod (env, codec->object, media_codec.queue_input_buffer,
index, info->offset, info->size, info->presentation_time_us, info->flags);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
ret = FALSE;
goto done;
}
done:
return ret;
}
gboolean
gst_amc_codec_release_output_buffer (GstAmcCodec * codec, gint index)
{
JNIEnv *env;
gboolean ret = TRUE;
g_return_val_if_fail (codec != NULL, FALSE);
env = gst_amc_get_jni_env ();
(*env)->CallVoidMethod (env, codec->object, media_codec.release_output_buffer,
index, JNI_FALSE);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
ret = FALSE;
goto done;
}
done:
return ret;
}
GstAmcFormat *
gst_amc_format_new_audio (const gchar * mime, gint sample_rate, gint channels)
{
JNIEnv *env;
GstAmcFormat *format = NULL;
jstring mime_str;
jobject object = NULL;
g_return_val_if_fail (mime != NULL, NULL);
env = gst_amc_get_jni_env ();
mime_str = (*env)->NewStringUTF (env, mime);
if (mime_str == NULL)
goto error;
format = g_slice_new0 (GstAmcFormat);
object =
(*env)->CallStaticObjectMethod (env, media_format.klass,
media_format.create_audio_format, mime_str, sample_rate, channels);
if ((*env)->ExceptionCheck (env) || !object) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to create format '%s'", mime);
goto error;
}
format->object = (*env)->NewGlobalRef (env, object);
if (!format->object) {
GST_ERROR ("Failed to create global reference");
(*env)->ExceptionClear (env);
goto error;
}
done:
if (object)
(*env)->DeleteLocalRef (env, object);
if (mime_str)
(*env)->DeleteLocalRef (env, mime_str);
mime_str = NULL;
return format;
error:
if (format)
g_slice_free (GstAmcFormat, format);
format = NULL;
goto done;
}
GstAmcFormat *
gst_amc_format_new_video (const gchar * mime, gint width, gint height)
{
JNIEnv *env;
GstAmcFormat *format = NULL;
jstring mime_str;
jobject object = NULL;
g_return_val_if_fail (mime != NULL, NULL);
env = gst_amc_get_jni_env ();
mime_str = (*env)->NewStringUTF (env, mime);
if (mime_str == NULL)
goto error;
format = g_slice_new0 (GstAmcFormat);
object =
(*env)->CallStaticObjectMethod (env, media_format.klass,
media_format.create_video_format, mime_str, width, height);
if ((*env)->ExceptionCheck (env) || !object) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to create format '%s'", mime);
goto error;
}
format->object = (*env)->NewGlobalRef (env, object);
if (!format->object) {
GST_ERROR ("Failed to create global reference");
(*env)->ExceptionClear (env);
goto error;
}
done:
if (object)
(*env)->DeleteLocalRef (env, object);
if (mime_str)
(*env)->DeleteLocalRef (env, mime_str);
mime_str = NULL;
return format;
error:
if (format)
g_slice_free (GstAmcFormat, format);
format = NULL;
goto done;
}
void
gst_amc_format_free (GstAmcFormat * format)
{
JNIEnv *env;
g_return_if_fail (format != NULL);
env = gst_amc_get_jni_env ();
(*env)->DeleteGlobalRef (env, format->object);
g_slice_free (GstAmcFormat, format);
}
gchar *
gst_amc_format_to_string (GstAmcFormat * format)
{
JNIEnv *env;
jstring v_str = NULL;
const gchar *v = NULL;
gchar *ret = NULL;
g_return_val_if_fail (format != NULL, FALSE);
env = gst_amc_get_jni_env ();
v_str =
(*env)->CallObjectMethod (env, format->object, media_format.to_string);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
goto done;
}
v = (*env)->GetStringUTFChars (env, v_str, NULL);
if (!v) {
GST_ERROR ("Failed to convert string to UTF8");
(*env)->ExceptionClear (env);
goto done;
}
ret = g_strdup (v);
done:
if (v)
(*env)->ReleaseStringUTFChars (env, v_str, v);
if (v_str)
(*env)->DeleteLocalRef (env, v_str);
return ret;
}
gboolean
gst_amc_format_contains_key (GstAmcFormat * format, const gchar * key)
{
JNIEnv *env;
gboolean ret = FALSE;
jstring key_str = NULL;
g_return_val_if_fail (format != NULL, FALSE);
g_return_val_if_fail (key != NULL, FALSE);
env = gst_amc_get_jni_env ();
key_str = (*env)->NewStringUTF (env, key);
if (!key_str)
goto done;
ret =
(*env)->CallBooleanMethod (env, format->object, media_format.contains_key,
key_str);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
goto done;
}
done:
if (key_str)
(*env)->DeleteLocalRef (env, key_str);
return ret;
}
gboolean
gst_amc_format_get_float (GstAmcFormat * format, const gchar * key,
gfloat * value)
{
JNIEnv *env;
gboolean ret = FALSE;
jstring key_str = NULL;
g_return_val_if_fail (format != NULL, FALSE);
g_return_val_if_fail (key != NULL, FALSE);
g_return_val_if_fail (value != NULL, FALSE);
*value = 0;
env = gst_amc_get_jni_env ();
key_str = (*env)->NewStringUTF (env, key);
if (!key_str)
goto done;
*value =
(*env)->CallFloatMethod (env, format->object, media_format.get_float,
key_str);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
goto done;
}
ret = TRUE;
done:
if (key_str)
(*env)->DeleteLocalRef (env, key_str);
return ret;
}
void
gst_amc_format_set_float (GstAmcFormat * format, const gchar * key,
gfloat value)
{
JNIEnv *env;
jstring key_str = NULL;
g_return_if_fail (format != NULL);
g_return_if_fail (key != NULL);
env = gst_amc_get_jni_env ();
key_str = (*env)->NewStringUTF (env, key);
if (!key_str)
goto done;
(*env)->CallVoidMethod (env, format->object, media_format.set_float, key_str,
value);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
goto done;
}
done:
if (key_str)
(*env)->DeleteLocalRef (env, key_str);
}
gboolean
gst_amc_format_get_int (GstAmcFormat * format, const gchar * key, gint * value)
{
JNIEnv *env;
gboolean ret = FALSE;
jstring key_str = NULL;
g_return_val_if_fail (format != NULL, FALSE);
g_return_val_if_fail (key != NULL, FALSE);
g_return_val_if_fail (value != NULL, FALSE);
*value = 0;
env = gst_amc_get_jni_env ();
key_str = (*env)->NewStringUTF (env, key);
if (!key_str)
goto done;
*value =
(*env)->CallIntMethod (env, format->object, media_format.get_integer,
key_str);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
goto done;
}
ret = TRUE;
done:
if (key_str)
(*env)->DeleteLocalRef (env, key_str);
return ret;
}
void
gst_amc_format_set_int (GstAmcFormat * format, const gchar * key, gint value)
{
JNIEnv *env;
jstring key_str = NULL;
g_return_if_fail (format != NULL);
g_return_if_fail (key != NULL);
env = gst_amc_get_jni_env ();
key_str = (*env)->NewStringUTF (env, key);
if (!key_str)
goto done;
(*env)->CallVoidMethod (env, format->object, media_format.set_integer,
key_str, value);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
goto done;
}
done:
if (key_str)
(*env)->DeleteLocalRef (env, key_str);
}
gboolean
gst_amc_format_get_string (GstAmcFormat * format, const gchar * key,
gchar ** value)
{
JNIEnv *env;
gboolean ret = FALSE;
jstring key_str = NULL;
jstring v_str = NULL;
const gchar *v = NULL;
g_return_val_if_fail (format != NULL, FALSE);
g_return_val_if_fail (key != NULL, FALSE);
g_return_val_if_fail (value != NULL, FALSE);
*value = 0;
env = gst_amc_get_jni_env ();
key_str = (*env)->NewStringUTF (env, key);
if (!key_str)
goto done;
v_str =
(*env)->CallObjectMethod (env, format->object, media_format.get_string,
key_str);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
goto done;
}
v = (*env)->GetStringUTFChars (env, v_str, NULL);
if (!v) {
GST_ERROR ("Failed to convert string to UTF8");
(*env)->ExceptionClear (env);
goto done;
}
*value = g_strdup (v);
ret = TRUE;
done:
if (key_str)
(*env)->DeleteLocalRef (env, key_str);
if (v)
(*env)->ReleaseStringUTFChars (env, v_str, v);
if (v_str)
(*env)->DeleteLocalRef (env, v_str);
return ret;
}
void
gst_amc_format_set_string (GstAmcFormat * format, const gchar * key,
const gchar * value)
{
JNIEnv *env;
jstring key_str = NULL;
jstring v_str = NULL;
g_return_if_fail (format != NULL);
g_return_if_fail (key != NULL);
g_return_if_fail (value != NULL);
env = gst_amc_get_jni_env ();
key_str = (*env)->NewStringUTF (env, key);
if (!key_str)
goto done;
v_str = (*env)->NewStringUTF (env, value);
if (!v_str)
goto done;
(*env)->CallVoidMethod (env, format->object, media_format.set_string, key_str,
v_str);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
goto done;
}
done:
if (key_str)
(*env)->DeleteLocalRef (env, key_str);
if (v_str)
(*env)->DeleteLocalRef (env, v_str);
}
gboolean
gst_amc_format_get_buffer (GstAmcFormat * format, const gchar * key,
GstBuffer ** value)
{
JNIEnv *env;
gboolean ret = FALSE;
jstring key_str = NULL;
jobject v = NULL;
guint8 *data;
gsize size;
g_return_val_if_fail (format != NULL, FALSE);
g_return_val_if_fail (key != NULL, FALSE);
g_return_val_if_fail (value != NULL, FALSE);
*value = 0;
env = gst_amc_get_jni_env ();
key_str = (*env)->NewStringUTF (env, key);
if (!key_str)
goto done;
v = (*env)->CallObjectMethod (env, format->object,
media_format.get_byte_buffer, key_str);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
goto done;
}
data = (*env)->GetDirectBufferAddress (env, v);
if (!data) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get buffer address");
goto done;
}
size = (*env)->GetDirectBufferCapacity (env, v);
*value = gst_buffer_new_and_alloc (size);
memcpy (GST_BUFFER_DATA (*value), data, size);
ret = TRUE;
done:
if (key_str)
(*env)->DeleteLocalRef (env, key_str);
if (v)
(*env)->DeleteLocalRef (env, v);
return ret;
}
void
gst_amc_format_set_buffer (GstAmcFormat * format, const gchar * key,
GstBuffer * value)
{
JNIEnv *env;
jstring key_str = NULL;
jobject v = NULL;
g_return_if_fail (format != NULL);
g_return_if_fail (key != NULL);
g_return_if_fail (value != NULL);
env = gst_amc_get_jni_env ();
key_str = (*env)->NewStringUTF (env, key);
if (!key_str)
goto done;
/* FIXME: The buffer must remain valid until the codec is stopped */
v = (*env)->NewDirectByteBuffer (env, GST_BUFFER_DATA (value),
GST_BUFFER_SIZE (value));
if (!v)
goto done;
(*env)->CallVoidMethod (env, format->object, media_format.set_byte_buffer,
key_str, v);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
goto done;
}
done:
if (key_str)
(*env)->DeleteLocalRef (env, key_str);
if (v)
(*env)->DeleteLocalRef (env, v);
}
static gboolean
get_java_classes (void)
{
gboolean ret = TRUE;
JNIEnv *env;
jclass tmp;
GST_DEBUG ("Retrieving Java classes");
env = gst_amc_get_jni_env ();
tmp = (*env)->FindClass (env, "java/lang/String");
if (!tmp) {
ret = FALSE;
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get string class");
goto done;
}
java_string.klass = (*env)->NewGlobalRef (env, tmp);
if (!java_string.klass) {
ret = FALSE;
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get string class global reference");
goto done;
}
(*env)->DeleteLocalRef (env, tmp);
tmp = NULL;
java_string.constructor =
(*env)->GetMethodID (env, java_string.klass, "<init>", "([C)V");
if (!java_string.constructor) {
ret = FALSE;
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get string methods");
goto done;
}
tmp = (*env)->FindClass (env, "android/media/MediaCodec");
if (!tmp) {
ret = FALSE;
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get codec class");
goto done;
}
media_codec.klass = (*env)->NewGlobalRef (env, tmp);
if (!media_codec.klass) {
ret = FALSE;
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get codec class global reference");
goto done;
}
(*env)->DeleteLocalRef (env, tmp);
tmp = NULL;
media_codec.create_by_codec_name =
(*env)->GetStaticMethodID (env, media_codec.klass, "createByCodecName",
"(Ljava/lang/String;)Landroid/media/MediaCodec;");
media_codec.configure =
(*env)->GetMethodID (env, media_codec.klass, "configure",
"(Landroid/media/MediaFormat;Landroid/view/Surface;Landroid/media/MediaCrypto;I)V");
media_codec.dequeue_input_buffer =
(*env)->GetMethodID (env, media_codec.klass, "dequeueInputBuffer",
"(J)I");
media_codec.dequeue_output_buffer =
(*env)->GetMethodID (env, media_codec.klass, "dequeueOutputBuffer",
"(Landroid/media/MediaCodec$BufferInfo;J)I");
media_codec.flush =
(*env)->GetMethodID (env, media_codec.klass, "flush", "()V");
media_codec.get_input_buffers =
(*env)->GetMethodID (env, media_codec.klass, "getInputBuffers",
"()[Ljava/nio/ByteBuffer;");
media_codec.get_output_buffers =
(*env)->GetMethodID (env, media_codec.klass, "getOutputBuffers",
"()[Ljava/nio/ByteBuffer;");
media_codec.get_output_format =
(*env)->GetMethodID (env, media_codec.klass, "getOutputFormat",
"()Landroid/media/MediaFormat;");
media_codec.queue_input_buffer =
(*env)->GetMethodID (env, media_codec.klass, "queueInputBuffer",
"(IIIJI)V");
media_codec.release =
(*env)->GetMethodID (env, media_codec.klass, "release", "()V");
media_codec.release_output_buffer =
(*env)->GetMethodID (env, media_codec.klass, "releaseOutputBuffer",
"(IZ)V");
media_codec.start =
(*env)->GetMethodID (env, media_codec.klass, "start", "()V");
media_codec.stop =
(*env)->GetMethodID (env, media_codec.klass, "stop", "()V");
if (!media_codec.configure ||
!media_codec.create_by_codec_name ||
!media_codec.dequeue_input_buffer ||
!media_codec.dequeue_output_buffer ||
!media_codec.flush ||
!media_codec.get_input_buffers ||
!media_codec.get_output_buffers ||
!media_codec.get_output_format ||
!media_codec.queue_input_buffer ||
!media_codec.release ||
!media_codec.release_output_buffer ||
!media_codec.start || !media_codec.stop) {
ret = FALSE;
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get codec methods");
goto done;
}
tmp = (*env)->FindClass (env, "android/media/MediaCodec$BufferInfo");
if (!tmp) {
ret = FALSE;
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get codec buffer info class");
goto done;
}
media_codec_buffer_info.klass = (*env)->NewGlobalRef (env, tmp);
if (!media_codec_buffer_info.klass) {
ret = FALSE;
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get codec buffer info class global reference");
goto done;
}
(*env)->DeleteLocalRef (env, tmp);
tmp = NULL;
media_codec_buffer_info.constructor =
(*env)->GetMethodID (env, media_codec_buffer_info.klass, "<init>", "()V");
media_codec_buffer_info.flags =
(*env)->GetFieldID (env, media_codec_buffer_info.klass, "flags", "I");
media_codec_buffer_info.offset =
(*env)->GetFieldID (env, media_codec_buffer_info.klass, "offset", "I");
media_codec_buffer_info.presentation_time_us =
(*env)->GetFieldID (env, media_codec_buffer_info.klass,
"presentationTimeUs", "J");
media_codec_buffer_info.size =
(*env)->GetFieldID (env, media_codec_buffer_info.klass, "size", "I");
if (!media_codec_buffer_info.constructor || !media_codec_buffer_info.flags
|| !media_codec_buffer_info.offset
|| !media_codec_buffer_info.presentation_time_us
|| !media_codec_buffer_info.size) {
ret = FALSE;
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get buffer info methods and fields");
goto done;
}
tmp = (*env)->FindClass (env, "android/media/MediaFormat");
if (!tmp) {
ret = FALSE;
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get format class");
goto done;
}
media_format.klass = (*env)->NewGlobalRef (env, tmp);
if (!media_format.klass) {
ret = FALSE;
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get format class global reference");
goto done;
}
(*env)->DeleteLocalRef (env, tmp);
tmp = NULL;
media_format.create_audio_format =
(*env)->GetStaticMethodID (env, media_format.klass, "createAudioFormat",
"(Ljava/lang/String;II)Landroid/media/MediaFormat;");
media_format.create_video_format =
(*env)->GetStaticMethodID (env, media_format.klass, "createVideoFormat",
"(Ljava/lang/String;II)Landroid/media/MediaFormat;");
media_format.to_string =
(*env)->GetMethodID (env, media_format.klass, "toString",
"()Ljava/lang/String;");
media_format.contains_key =
(*env)->GetMethodID (env, media_format.klass, "containsKey",
"(Ljava/lang/String;)Z");
media_format.get_float =
(*env)->GetMethodID (env, media_format.klass, "getFloat",
"(Ljava/lang/String;)F");
media_format.set_float =
(*env)->GetMethodID (env, media_format.klass, "setFloat",
"(Ljava/lang/String;F)V");
media_format.get_integer =
(*env)->GetMethodID (env, media_format.klass, "getInteger",
"(Ljava/lang/String;)I");
media_format.set_integer =
(*env)->GetMethodID (env, media_format.klass, "setInteger",
"(Ljava/lang/String;I)V");
media_format.get_string =
(*env)->GetMethodID (env, media_format.klass, "getString",
"(Ljava/lang/String;)Ljava/lang/String;");
media_format.set_string =
(*env)->GetMethodID (env, media_format.klass, "setString",
"(Ljava/lang/String;Ljava/lang/String;)V");
media_format.get_byte_buffer =
(*env)->GetMethodID (env, media_format.klass, "getByteBuffer",
"(Ljava/lang/String;)Ljava/nio/ByteBuffer;");
media_format.set_byte_buffer =
(*env)->GetMethodID (env, media_format.klass, "setByteBuffer",
"(Ljava/lang/String;Ljava/nio/ByteBuffer;)V");
if (!media_format.create_audio_format || !media_format.create_video_format
|| !media_format.contains_key || !media_format.get_float
|| !media_format.set_float || !media_format.get_integer
|| !media_format.set_integer || !media_format.get_string
|| !media_format.set_string || !media_format.get_byte_buffer
|| !media_format.set_byte_buffer) {
ret = FALSE;
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get format methods");
goto done;
}
done:
if (tmp)
(*env)->DeleteLocalRef (env, tmp);
tmp = NULL;
return ret;
}
static gboolean
scan_codecs (GstPlugin * plugin)
{
gboolean ret = TRUE;
JNIEnv *env;
jclass codec_list_class = NULL;
jmethodID get_codec_count_id, get_codec_info_at_id;
jint codec_count, i;
const GstStructure *cache_data;
GST_DEBUG ("Scanning codecs");
if ((cache_data = gst_plugin_get_cache_data (plugin))) {
const GValue *arr = gst_structure_get_value (cache_data, "codecs");
guint i, n;
GST_DEBUG ("Getting codecs from cache");
n = gst_value_array_get_size (arr);
for (i = 0; i < n; i++) {
const GValue *cv = gst_value_array_get_value (arr, i);
const GstStructure *cs = gst_value_get_structure (cv);
const gchar *name;
gboolean is_encoder;
const GValue *starr;
guint j, n2;
GstAmcCodecInfo *gst_codec_info;
gst_codec_info = g_new0 (GstAmcCodecInfo, 1);
name = gst_structure_get_string (cs, "name");
gst_structure_get_boolean (cs, "is-encoder", &is_encoder);
gst_codec_info->name = g_strdup (name);
gst_codec_info->is_encoder = is_encoder;
starr = gst_structure_get_value (cs, "supported-types");
n2 = gst_value_array_get_size (starr);
gst_codec_info->n_supported_types = n2;
gst_codec_info->supported_types = g_new0 (GstAmcCodecType, n2);
for (j = 0; j < n2; j++) {
const GValue *stv = gst_value_array_get_value (starr, j);
const GstStructure *sts = gst_value_get_structure (stv);
const gchar *mime;
const GValue *cfarr;
const GValue *plarr;
guint k, n3;
GstAmcCodecType *gst_codec_type = &gst_codec_info->supported_types[j];
mime = gst_structure_get_string (sts, "mime");
gst_codec_type->mime = g_strdup (mime);
cfarr = gst_structure_get_value (sts, "color-formats");
n3 = gst_value_array_get_size (cfarr);
gst_codec_type->n_color_formats = n3;
gst_codec_type->color_formats = g_new0 (gint, n3);
for (k = 0; k < n3; k++) {
const GValue *cfv = gst_value_array_get_value (cfarr, k);
gint cf = g_value_get_int (cfv);
gst_codec_type->color_formats[k] = cf;
}
plarr = gst_structure_get_value (sts, "profile-levels");
n3 = gst_value_array_get_size (plarr);
gst_codec_type->n_profile_levels = n3;
gst_codec_type->profile_levels =
g_malloc0 (sizeof (gst_codec_type->profile_levels[0]) * n3);
for (k = 0; k < n3; k++) {
const GValue *plv = gst_value_array_get_value (plarr, k);
const GValue *p, *l;
p = gst_value_array_get_value (plv, 0);
l = gst_value_array_get_value (plv, 1);
gst_codec_type->profile_levels[k].profile = g_value_get_int (p);
gst_codec_type->profile_levels[k].level = g_value_get_int (l);
}
}
codec_infos = g_list_append (codec_infos, gst_codec_info);
}
return TRUE;
}
env = gst_amc_get_jni_env ();
codec_list_class = (*env)->FindClass (env, "android/media/MediaCodecList");
if (!codec_list_class) {
ret = FALSE;
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get codec list class");
goto done;
}
get_codec_count_id =
(*env)->GetStaticMethodID (env, codec_list_class, "getCodecCount", "()I");
get_codec_info_at_id =
(*env)->GetStaticMethodID (env, codec_list_class, "getCodecInfoAt",
"(I)Landroid/media/MediaCodecInfo;");
if (!get_codec_count_id || !get_codec_info_at_id) {
ret = FALSE;
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get codec list method IDs");
goto done;
}
codec_count =
(*env)->CallStaticIntMethod (env, codec_list_class, get_codec_count_id);
if ((*env)->ExceptionCheck (env)) {
ret = FALSE;
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get number of available codecs");
goto done;
}
GST_LOG ("Found %d available codecs", codec_count);
for (i = 0; i < codec_count; i++) {
GstAmcCodecInfo *gst_codec_info;
jobject codec_info = NULL;
jclass codec_info_class = NULL;
jmethodID get_capabilities_for_type_id, get_name_id;
jmethodID get_supported_types_id, is_encoder_id;
jobject name = NULL;
const gchar *name_str = NULL;
jboolean is_encoder;
jarray supported_types = NULL;
jsize n_supported_types;
jsize j;
gboolean valid_codec = TRUE;
gst_codec_info = g_new0 (GstAmcCodecInfo, 1);
codec_info =
(*env)->CallStaticObjectMethod (env, codec_list_class,
get_codec_info_at_id, i);
if ((*env)->ExceptionCheck (env) || !codec_info) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get codec info %d", i);
valid_codec = FALSE;
goto next_codec;
}
codec_info_class = (*env)->GetObjectClass (env, codec_info);
if (!codec_list_class) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get codec info class");
valid_codec = FALSE;
goto next_codec;
}
get_capabilities_for_type_id =
(*env)->GetMethodID (env, codec_info_class, "getCapabilitiesForType",
"(Ljava/lang/String;)Landroid/media/MediaCodecInfo$CodecCapabilities;");
get_name_id =
(*env)->GetMethodID (env, codec_info_class, "getName",
"()Ljava/lang/String;");
get_supported_types_id =
(*env)->GetMethodID (env, codec_info_class, "getSupportedTypes",
"()[Ljava/lang/String;");
is_encoder_id =
(*env)->GetMethodID (env, codec_info_class, "isEncoder", "()Z");
if (!get_capabilities_for_type_id || !get_name_id
|| !get_supported_types_id || !is_encoder_id) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get codec info method IDs");
valid_codec = FALSE;
goto next_codec;
}
name = (*env)->CallObjectMethod (env, codec_info, get_name_id);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get codec name");
valid_codec = FALSE;
goto next_codec;
}
name_str = (*env)->GetStringUTFChars (env, name, NULL);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to convert codec name to UTF8");
valid_codec = FALSE;
goto next_codec;
}
GST_INFO ("Checking codec '%s'", name_str);
/* Compatibility codec names */
if (strcmp (name_str, "AACEncoder") == 0 ||
strcmp (name_str, "OMX.google.raw.decoder") == 0) {
GST_INFO ("Skipping compatibility codec '%s'", name_str);
valid_codec = FALSE;
goto next_codec;
}
if (g_str_has_suffix (name_str, ".secure")) {
GST_INFO ("Skipping DRM codec '%s'", name_str);
valid_codec = FALSE;
goto next_codec;
}
/* FIXME: Non-Google codecs usually just don't work and hang forever
* or crash when not used from a process that started the Java
* VM via the non-public AndroidRuntime class. Can we somehow
* initialize all this?
*/
if (started_java_vm && !g_str_has_prefix (name_str, "OMX.google.")) {
GST_INFO ("Skipping non-Google codec '%s' in standalone mode", name_str);
valid_codec = FALSE;
goto next_codec;
}
/* FIXME:
* - Vorbis: Generates clicks for multi-channel streams
* - *Law: Generates output with too low frequencies
*/
if (strcmp (name_str, "OMX.google.vorbis.decoder") == 0 ||
strcmp (name_str, "OMX.google.g711.alaw.decoder") == 0 ||
strcmp (name_str, "OMX.google.g711.mlaw.decoder") == 0) {
GST_INFO ("Skipping known broken codec '%s'", name_str);
valid_codec = FALSE;
goto next_codec;
}
gst_codec_info->name = g_strdup (name_str);
is_encoder = (*env)->CallBooleanMethod (env, codec_info, is_encoder_id);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to detect if codec is an encoder");
valid_codec = FALSE;
goto next_codec;
}
gst_codec_info->is_encoder = is_encoder;
supported_types =
(*env)->CallObjectMethod (env, codec_info, get_supported_types_id);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get supported types");
valid_codec = FALSE;
goto next_codec;
}
n_supported_types = (*env)->GetArrayLength (env, supported_types);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get supported types array length");
valid_codec = FALSE;
goto next_codec;
}
GST_INFO ("Codec '%s' has %d supported types", name_str, n_supported_types);
gst_codec_info->supported_types =
g_new0 (GstAmcCodecType, n_supported_types);
gst_codec_info->n_supported_types = n_supported_types;
if (n_supported_types == 0) {
valid_codec = FALSE;
GST_ERROR ("Codec has no supported types");
goto next_codec;
}
for (j = 0; j < n_supported_types; j++) {
GstAmcCodecType *gst_codec_type;
jobject supported_type = NULL;
const gchar *supported_type_str = NULL;
jobject capabilities = NULL;
jclass capabilities_class = NULL;
jfieldID color_formats_id, profile_levels_id;
jobject color_formats = NULL;
jobject profile_levels = NULL;
jint *color_formats_elems = NULL;
jsize n_elems, k;
gst_codec_type = &gst_codec_info->supported_types[j];
supported_type = (*env)->GetObjectArrayElement (env, supported_types, j);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get %d-th supported type", j);
valid_codec = FALSE;
goto next_supported_type;
}
supported_type_str =
(*env)->GetStringUTFChars (env, supported_type, NULL);
if ((*env)->ExceptionCheck (env) || !supported_type_str) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to convert supported type to UTF8");
valid_codec = FALSE;
goto next_supported_type;
}
GST_INFO ("Supported type '%s'", supported_type_str);
gst_codec_type->mime = g_strdup (supported_type_str);
capabilities =
(*env)->CallObjectMethod (env, codec_info,
get_capabilities_for_type_id, supported_type);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get capabilities for supported type");
valid_codec = FALSE;
goto next_supported_type;
}
capabilities_class = (*env)->GetObjectClass (env, capabilities);
if (!capabilities_class) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get capabilities class");
valid_codec = FALSE;
goto next_supported_type;
}
color_formats_id =
(*env)->GetFieldID (env, capabilities_class, "colorFormats", "[I");
profile_levels_id =
(*env)->GetFieldID (env, capabilities_class, "profileLevels",
"[Landroid/media/MediaCodecInfo$CodecProfileLevel;");
if (!color_formats_id || !profile_levels_id) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get capabilities field IDs");
valid_codec = FALSE;
goto next_supported_type;
}
color_formats =
(*env)->GetObjectField (env, capabilities, color_formats_id);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get color formats");
valid_codec = FALSE;
goto next_supported_type;
}
n_elems = (*env)->GetArrayLength (env, color_formats);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get color formats array length");
valid_codec = FALSE;
goto next_supported_type;
}
gst_codec_type->n_color_formats = n_elems;
gst_codec_type->color_formats = g_new0 (gint, n_elems);
color_formats_elems =
(*env)->GetIntArrayElements (env, color_formats, NULL);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get color format elements");
valid_codec = FALSE;
goto next_supported_type;
}
for (k = 0; k < n_elems; k++) {
GST_INFO ("Color format %d: %d", k, color_formats_elems[k]);
gst_codec_type->color_formats[k] = color_formats_elems[k];
}
if (g_str_has_prefix (gst_codec_type->mime, "video/")) {
if (!n_elems) {
GST_ERROR ("No supported color formats for video codec");
valid_codec = FALSE;
goto next_supported_type;
}
if (!ignore_unknown_color_formats
&& !accepted_color_formats (gst_codec_type, is_encoder)) {
GST_ERROR ("Codec has unknown color formats, ignoring");
valid_codec = FALSE;
g_assert_not_reached ();
goto next_supported_type;
}
}
profile_levels =
(*env)->GetObjectField (env, capabilities, profile_levels_id);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get profile/levels");
valid_codec = FALSE;
goto next_supported_type;
}
n_elems = (*env)->GetArrayLength (env, profile_levels);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get profile/levels array length");
valid_codec = FALSE;
goto next_supported_type;
}
gst_codec_type->n_profile_levels = n_elems;
gst_codec_type->profile_levels =
g_malloc0 (sizeof (gst_codec_type->profile_levels[0]) * n_elems);
for (k = 0; k < n_elems; k++) {
jobject profile_level = NULL;
jclass profile_level_class = NULL;
jfieldID level_id, profile_id;
jint level, profile;
profile_level = (*env)->GetObjectArrayElement (env, profile_levels, k);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get %d-th profile/level", k);
valid_codec = FALSE;
goto next_profile_level;
}
profile_level_class = (*env)->GetObjectClass (env, profile_level);
if (!profile_level_class) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get profile/level class");
valid_codec = FALSE;
goto next_profile_level;
}
level_id = (*env)->GetFieldID (env, profile_level_class, "level", "I");
profile_id =
(*env)->GetFieldID (env, profile_level_class, "profile", "I");
if (!level_id || !profile_id) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get profile/level field IDs");
valid_codec = FALSE;
goto next_profile_level;
}
level = (*env)->GetIntField (env, profile_level, level_id);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get level");
valid_codec = FALSE;
goto next_profile_level;
}
GST_INFO ("Level %d: 0x%08x", k, level);
gst_codec_type->profile_levels[k].level = level;
profile = (*env)->GetIntField (env, profile_level, profile_id);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get profile");
valid_codec = FALSE;
goto next_profile_level;
}
GST_INFO ("Profile %d: 0x%08x", k, profile);
gst_codec_type->profile_levels[k].profile = profile;
next_profile_level:
if (profile_level)
(*env)->DeleteLocalRef (env, profile_level);
profile_level = NULL;
if (profile_level_class)
(*env)->DeleteLocalRef (env, profile_level_class);
profile_level_class = NULL;
if (!valid_codec)
break;
}
next_supported_type:
if (color_formats_elems)
(*env)->ReleaseIntArrayElements (env, color_formats,
color_formats_elems, JNI_ABORT);
color_formats_elems = NULL;
if (color_formats)
(*env)->DeleteLocalRef (env, color_formats);
color_formats = NULL;
if (profile_levels)
(*env)->DeleteLocalRef (env, profile_levels);
color_formats = NULL;
if (capabilities)
(*env)->DeleteLocalRef (env, capabilities);
capabilities = NULL;
if (capabilities_class)
(*env)->DeleteLocalRef (env, capabilities_class);
capabilities_class = NULL;
if (supported_type_str)
(*env)->ReleaseStringUTFChars (env, supported_type, supported_type_str);
supported_type_str = NULL;
if (supported_type)
(*env)->DeleteLocalRef (env, supported_type);
supported_type = NULL;
if (!valid_codec)
break;
}
/* We need at least a valid supported type */
if (valid_codec) {
GST_LOG ("Successfully scanned codec '%s'", name_str);
codec_infos = g_list_append (codec_infos, gst_codec_info);
gst_codec_info = NULL;
}
/* Clean up of all local references we got */
next_codec:
if (name_str)
(*env)->ReleaseStringUTFChars (env, name, name_str);
name_str = NULL;
if (name)
(*env)->DeleteLocalRef (env, name);
name = NULL;
if (supported_types)
(*env)->DeleteLocalRef (env, supported_types);
supported_types = NULL;
if (codec_info)
(*env)->DeleteLocalRef (env, codec_info);
codec_info = NULL;
if (codec_info_class)
(*env)->DeleteLocalRef (env, codec_info_class);
codec_info_class = NULL;
if (gst_codec_info) {
gint j;
for (j = 0; j < gst_codec_info->n_supported_types; j++) {
GstAmcCodecType *gst_codec_type = &gst_codec_info->supported_types[j];
g_free (gst_codec_type->mime);
g_free (gst_codec_type->color_formats);
g_free (gst_codec_type->profile_levels);
}
g_free (gst_codec_info->supported_types);
g_free (gst_codec_info->name);
g_free (gst_codec_info);
}
gst_codec_info = NULL;
valid_codec = TRUE;
}
ret = codec_infos != NULL;
/* If successful we store a cache of the codec information in
* the registry. Otherwise we would always load all codecs during
* plugin initialization which can take quite some time (because
* of hardware) and also loads lots of shared libraries (which
* number is limited by 64 in Android).
*/
if (ret) {
GstStructure *new_cache_data = gst_structure_empty_new ("gst-amc-cache");
GList *l;
GValue arr = { 0, };
g_value_init (&arr, GST_TYPE_ARRAY);
for (l = codec_infos; l; l = l->next) {
GstAmcCodecInfo *gst_codec_info = l->data;
GValue cv = { 0, };
GstStructure *cs = gst_structure_empty_new ("gst-amc-codec");
GValue starr = { 0, };
gint i;
gst_structure_set (cs, "name", G_TYPE_STRING, gst_codec_info->name,
"is-encoder", G_TYPE_BOOLEAN, gst_codec_info->is_encoder, NULL);
g_value_init (&starr, GST_TYPE_ARRAY);
for (i = 0; i < gst_codec_info->n_supported_types; i++) {
GstAmcCodecType *gst_codec_type = &gst_codec_info->supported_types[i];
GstStructure *sts = gst_structure_empty_new ("gst-amc-supported-type");
GValue stv = { 0, };
GValue tmparr = { 0, };
gint j;
gst_structure_set (sts, "mime", G_TYPE_STRING, gst_codec_type->mime,
NULL);
g_value_init (&tmparr, GST_TYPE_ARRAY);
for (j = 0; j < gst_codec_type->n_color_formats; j++) {
GValue tmp = { 0, };
g_value_init (&tmp, G_TYPE_INT);
g_value_set_int (&tmp, gst_codec_type->color_formats[j]);
gst_value_array_append_value (&tmparr, &tmp);
g_value_unset (&tmp);
}
gst_structure_set_value (sts, "color-formats", &tmparr);
g_value_unset (&tmparr);
g_value_init (&tmparr, GST_TYPE_ARRAY);
for (j = 0; j < gst_codec_type->n_profile_levels; j++) {
GValue tmparr2 = { 0, };
GValue tmp = { 0, };
g_value_init (&tmparr2, GST_TYPE_ARRAY);
g_value_init (&tmp, G_TYPE_INT);
g_value_set_int (&tmp, gst_codec_type->profile_levels[j].profile);
gst_value_array_append_value (&tmparr2, &tmp);
g_value_set_int (&tmp, gst_codec_type->profile_levels[j].level);
gst_value_array_append_value (&tmparr2, &tmp);
gst_value_array_append_value (&tmparr, &tmparr2);
g_value_unset (&tmp);
g_value_unset (&tmparr2);
}
gst_structure_set_value (sts, "profile-levels", &tmparr);
g_value_init (&stv, GST_TYPE_STRUCTURE);
gst_value_set_structure (&stv, sts);
gst_value_array_append_value (&starr, &stv);
g_value_unset (&tmparr);
gst_structure_free (sts);
}
gst_structure_set_value (cs, "supported-types", &starr);
g_value_unset (&starr);
g_value_init (&cv, GST_TYPE_STRUCTURE);
gst_value_set_structure (&cv, cs);
gst_value_array_append_value (&arr, &cv);
g_value_unset (&cv);
gst_structure_free (cs);
}
gst_structure_set_value (new_cache_data, "codecs", &arr);
g_value_unset (&arr);
gst_plugin_set_cache_data (plugin, new_cache_data);
}
done:
if (codec_list_class)
(*env)->DeleteLocalRef (env, codec_list_class);
return ret;
}
static const struct
{
gint color_format;
GstVideoFormat video_format;
} color_format_mapping_table[] = {
{
COLOR_FormatYUV420Planar, GST_VIDEO_FORMAT_I420}, {
COLOR_FormatYUV420SemiPlanar, GST_VIDEO_FORMAT_NV12}, {
COLOR_TI_FormatYUV420PackedSemiPlanar, GST_VIDEO_FORMAT_NV12}, {
COLOR_TI_FormatYUV420PackedSemiPlanarInterlaced, GST_VIDEO_FORMAT_NV12}, {
COLOR_QCOM_FormatYUV420SemiPlanar, GST_VIDEO_FORMAT_NV12}
};
static gboolean
accepted_color_formats (GstAmcCodecType * type, gboolean is_encoder)
{
gint i, j;
gint accepted = 0, all = type->n_color_formats;
for (i = 0; i < type->n_color_formats; i++) {
gboolean found = FALSE;
/* We ignore this one */
if (type->color_formats[i] == COLOR_FormatAndroidOpaque)
all--;
for (j = 0; j < G_N_ELEMENTS (color_format_mapping_table); j++) {
if (color_format_mapping_table[j].color_format == type->color_formats[i]) {
found = TRUE;
break;
}
}
if (found)
accepted++;
}
if (is_encoder)
return accepted > 0;
else
return accepted == all && all > 0;
}
GstVideoFormat
gst_amc_color_format_to_video_format (gint color_format)
{
gint i;
for (i = 0; i < G_N_ELEMENTS (color_format_mapping_table); i++) {
if (color_format_mapping_table[i].color_format == color_format)
return color_format_mapping_table[i].video_format;
}
return GST_VIDEO_FORMAT_UNKNOWN;
}
gint
gst_amc_video_format_to_color_format (GstVideoFormat video_format)
{
gint i;
for (i = 0; i < G_N_ELEMENTS (color_format_mapping_table); i++) {
if (color_format_mapping_table[i].video_format == video_format)
return color_format_mapping_table[i].color_format;
}
return -1;
}
static const struct
{
gint id;
const gchar *str;
const gchar *alt_str;
} avc_profile_mapping_table[] = {
{
AVCProfileBaseline, "baseline", "constrained-baseline"}, {
AVCProfileMain, "main", NULL}, {
AVCProfileExtended, "extended", NULL}, {
AVCProfileHigh, "high"}, {
AVCProfileHigh10, "high-10", "high-10-intra"}, {
AVCProfileHigh422, "high-4:2:2", "high-4:2:2-intra"}, {
AVCProfileHigh444, "high-4:4:4", "high-4:4:4-intra"}
};
const gchar *
gst_amc_avc_profile_to_string (gint profile, const gchar ** alternative)
{
gint i;
for (i = 0; i < G_N_ELEMENTS (avc_profile_mapping_table); i++) {
if (avc_profile_mapping_table[i].id == profile) {
*alternative = avc_profile_mapping_table[i].alt_str;
return avc_profile_mapping_table[i].str;
}
}
return NULL;
}
gint
gst_amc_avc_profile_from_string (const gchar * profile)
{
gint i;
g_return_val_if_fail (profile != NULL, -1);
for (i = 0; i < G_N_ELEMENTS (avc_profile_mapping_table); i++) {
if (strcmp (avc_profile_mapping_table[i].str, profile) == 0)
return avc_profile_mapping_table[i].id;
}
return -1;
}
static const struct
{
gint id;
const gchar *str;
} avc_level_mapping_table[] = {
{
AVCLevel1, "1"}, {
AVCLevel1b, "1b"}, {
AVCLevel11, "1.1"}, {
AVCLevel12, "1.2"}, {
AVCLevel13, "1.3"}, {
AVCLevel2, "2"}, {
AVCLevel21, "2.1"}, {
AVCLevel22, "2.2"}, {
AVCLevel3, "3"}, {
AVCLevel31, "3.1"}, {
AVCLevel32, "3.2"}, {
AVCLevel4, "4"}, {
AVCLevel41, "4.1"}, {
AVCLevel42, "4.2"}, {
AVCLevel5, "5"}, {
AVCLevel51, "5.1"}
};
const gchar *
gst_amc_avc_level_to_string (gint level)
{
gint i;
for (i = 0; i < G_N_ELEMENTS (avc_level_mapping_table); i++) {
if (avc_level_mapping_table[i].id == level)
return avc_level_mapping_table[i].str;
}
return NULL;
}
gint
gst_amc_avc_level_from_string (const gchar * level)
{
gint i;
g_return_val_if_fail (level != NULL, -1);
for (i = 0; i < G_N_ELEMENTS (avc_level_mapping_table); i++) {
if (strcmp (avc_level_mapping_table[i].str, level) == 0)
return avc_level_mapping_table[i].id;
}
return -1;
}
static const struct
{
gint id;
gint gst_id;
} h263_profile_mapping_table[] = {
{
H263ProfileBaseline, 0}, {
H263ProfileH320Coding, 1}, {
H263ProfileBackwardCompatible, 2}, {
H263ProfileISWV2, 3}, {
H263ProfileISWV3, 4}, {
H263ProfileHighCompression, 5}, {
H263ProfileInternet, 6}, {
H263ProfileInterlace, 7}, {
H263ProfileHighLatency, 8}
};
gint
gst_amc_h263_profile_to_gst_id (gint profile)
{
gint i;
for (i = 0; i < G_N_ELEMENTS (h263_profile_mapping_table); i++) {
if (h263_profile_mapping_table[i].id == profile)
return h263_profile_mapping_table[i].gst_id;
}
return -1;
}
gint
gst_amc_h263_profile_from_gst_id (gint profile)
{
gint i;
for (i = 0; i < G_N_ELEMENTS (h263_profile_mapping_table); i++) {
if (h263_profile_mapping_table[i].gst_id == profile)
return h263_profile_mapping_table[i].id;
}
return -1;
}
static const struct
{
gint id;
gint gst_id;
} h263_level_mapping_table[] = {
{
H263Level10, 10}, {
H263Level20, 20}, {
H263Level30, 30}, {
H263Level40, 40}, {
H263Level50, 50}, {
H263Level60, 60}, {
H263Level70, 70}
};
gint
gst_amc_h263_level_to_gst_id (gint level)
{
gint i;
for (i = 0; i < G_N_ELEMENTS (h263_level_mapping_table); i++) {
if (h263_level_mapping_table[i].id == level)
return h263_level_mapping_table[i].gst_id;
}
return -1;
}
gint
gst_amc_h263_level_from_gst_id (gint level)
{
gint i;
for (i = 0; i < G_N_ELEMENTS (h263_level_mapping_table); i++) {
if (h263_level_mapping_table[i].gst_id == level)
return h263_level_mapping_table[i].id;
}
return -1;
}
static const struct
{
gint id;
const gchar *str;
} mpeg4_profile_mapping_table[] = {
{
MPEG4ProfileSimple, "simple"}, {
MPEG4ProfileSimpleScalable, "simple-scalable"}, {
MPEG4ProfileCore, "core"}, {
MPEG4ProfileMain, "main"}, {
MPEG4ProfileNbit, "n-bit"}, {
MPEG4ProfileScalableTexture, "scalable"}, {
MPEG4ProfileSimpleFace, "simple-face"}, {
MPEG4ProfileSimpleFBA, "simple-fba"}, {
MPEG4ProfileBasicAnimated, "basic-animated-texture"}, {
MPEG4ProfileHybrid, "hybrid"}, {
MPEG4ProfileAdvancedRealTime, "advanced-real-time"}, {
MPEG4ProfileCoreScalable, "core-scalable"}, {
MPEG4ProfileAdvancedCoding, "advanced-coding-efficiency"}, {
MPEG4ProfileAdvancedCore, "advanced-core"}, {
MPEG4ProfileAdvancedScalable, "advanced-scalable-texture"}, {
MPEG4ProfileAdvancedSimple, "advanced-simple"}
};
const gchar *
gst_amc_mpeg4_profile_to_string (gint profile)
{
gint i;
for (i = 0; i < G_N_ELEMENTS (mpeg4_profile_mapping_table); i++) {
if (mpeg4_profile_mapping_table[i].id == profile)
return mpeg4_profile_mapping_table[i].str;
}
return NULL;
}
gint
gst_amc_avc_mpeg4_profile_from_string (const gchar * profile)
{
gint i;
g_return_val_if_fail (profile != NULL, -1);
for (i = 0; i < G_N_ELEMENTS (mpeg4_profile_mapping_table); i++) {
if (strcmp (mpeg4_profile_mapping_table[i].str, profile) == 0)
return mpeg4_profile_mapping_table[i].id;
}
return -1;
}
static const struct
{
gint id;
const gchar *str;
} mpeg4_level_mapping_table[] = {
{
MPEG4Level0, "0"}, {
MPEG4Level0b, "0b"}, {
MPEG4Level1, "1"}, {
MPEG4Level2, "2"}, {
MPEG4Level3, "3"}, {
MPEG4Level4, "4"}, {
MPEG4Level4a, "4a"}, {
MPEG4Level5, "5"},};
const gchar *
gst_amc_mpeg4_level_to_string (gint level)
{
gint i;
for (i = 0; i < G_N_ELEMENTS (mpeg4_level_mapping_table); i++) {
if (mpeg4_level_mapping_table[i].id == level)
return mpeg4_level_mapping_table[i].str;
}
return NULL;
}
gint
gst_amc_mpeg4_level_from_string (const gchar * level)
{
gint i;
g_return_val_if_fail (level != NULL, -1);
for (i = 0; i < G_N_ELEMENTS (mpeg4_level_mapping_table); i++) {
if (strcmp (mpeg4_level_mapping_table[i].str, level) == 0)
return mpeg4_level_mapping_table[i].id;
}
return -1;
}
static const struct
{
gint id;
const gchar *str;
} aac_profile_mapping_table[] = {
{
AACObjectMain, "main"}, {
AACObjectLC, "lc"}, {
AACObjectSSR, "ssr"}, {
AACObjectLTP, "ltp"}
};
const gchar *
gst_amc_aac_profile_to_string (gint profile)
{
gint i;
for (i = 0; i < G_N_ELEMENTS (aac_profile_mapping_table); i++) {
if (aac_profile_mapping_table[i].id == profile)
return aac_profile_mapping_table[i].str;
}
return NULL;
}
gint
gst_amc_aac_profile_from_string (const gchar * profile)
{
gint i;
g_return_val_if_fail (profile != NULL, -1);
for (i = 0; i < G_N_ELEMENTS (aac_profile_mapping_table); i++) {
if (strcmp (aac_profile_mapping_table[i].str, profile) == 0)
return aac_profile_mapping_table[i].id;
}
return -1;
}
static const struct
{
guint32 mask;
GstAudioChannelPosition pos;
} channel_mapping_table[] = {
{
CHANNEL_OUT_FRONT_LEFT, GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT}, {
CHANNEL_OUT_FRONT_RIGHT, GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT}, {
CHANNEL_OUT_FRONT_CENTER, GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER}, {
CHANNEL_OUT_LOW_FREQUENCY, GST_AUDIO_CHANNEL_POSITION_LFE}, {
CHANNEL_OUT_BACK_LEFT, GST_AUDIO_CHANNEL_POSITION_REAR_LEFT}, {
CHANNEL_OUT_BACK_RIGHT, GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT}, {
CHANNEL_OUT_FRONT_LEFT_OF_CENTER,
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER}, {
CHANNEL_OUT_FRONT_RIGHT_OF_CENTER,
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER}, {
CHANNEL_OUT_BACK_CENTER, GST_AUDIO_CHANNEL_POSITION_REAR_CENTER}, {
CHANNEL_OUT_SIDE_LEFT, GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT}, {
CHANNEL_OUT_SIDE_RIGHT, GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT}, {
CHANNEL_OUT_TOP_CENTER, GST_AUDIO_CHANNEL_POSITION_INVALID}, {
CHANNEL_OUT_TOP_FRONT_LEFT, GST_AUDIO_CHANNEL_POSITION_INVALID}, {
CHANNEL_OUT_TOP_FRONT_CENTER, GST_AUDIO_CHANNEL_POSITION_INVALID}, {
CHANNEL_OUT_TOP_FRONT_RIGHT, GST_AUDIO_CHANNEL_POSITION_INVALID}, {
CHANNEL_OUT_TOP_BACK_LEFT, GST_AUDIO_CHANNEL_POSITION_INVALID}, {
CHANNEL_OUT_TOP_BACK_CENTER, GST_AUDIO_CHANNEL_POSITION_INVALID}, {
CHANNEL_OUT_TOP_BACK_RIGHT, GST_AUDIO_CHANNEL_POSITION_INVALID}
};
GstAudioChannelPosition *
gst_amc_audio_channel_mask_to_positions (guint32 channel_mask, gint channels)
{
GstAudioChannelPosition *pos = g_new0 (GstAudioChannelPosition, channels);
gint i, j;
if (channel_mask == 0) {
if (channels == 1) {
pos[0] = GST_AUDIO_CHANNEL_POSITION_FRONT_MONO;
return pos;
}
if (channels == 2) {
pos[0] = GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT;
pos[1] = GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT;
return pos;
}
/* Now let the guesswork begin, these are the
* AAC default channel assignments for these numbers
* of channels */
if (channels == 3) {
channel_mask =
CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT |
CHANNEL_OUT_FRONT_CENTER;
} else if (channels == 4) {
channel_mask =
CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT |
CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_BACK_CENTER;
} else if (channels == 5) {
channel_mask =
CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT |
CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_BACK_LEFT |
CHANNEL_OUT_BACK_RIGHT;
} else if (channels == 6) {
channel_mask =
CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT |
CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_BACK_LEFT |
CHANNEL_OUT_BACK_RIGHT | CHANNEL_OUT_LOW_FREQUENCY;
} else if (channels == 8) {
channel_mask =
CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT |
CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_BACK_LEFT |
CHANNEL_OUT_BACK_RIGHT | CHANNEL_OUT_LOW_FREQUENCY |
CHANNEL_OUT_FRONT_LEFT_OF_CENTER | CHANNEL_OUT_FRONT_RIGHT_OF_CENTER;
}
}
for (i = 0, j = 0; i < G_N_ELEMENTS (channel_mapping_table); i++) {
if ((channel_mask & channel_mapping_table[i].mask)) {
pos[j++] = channel_mapping_table[i].pos;
if (channel_mapping_table[i].pos == GST_AUDIO_CHANNEL_POSITION_INVALID) {
g_free (pos);
GST_ERROR ("Unable to map channel mask 0x%08x",
channel_mapping_table[i].mask);
return NULL;
}
if (j == channels)
break;
}
}
if (j != channels) {
g_free (pos);
GST_ERROR ("Unable to map all channel positions in mask 0x%08x",
channel_mask);
return NULL;
}
return pos;
}
guint32
gst_amc_audio_channel_mask_from_positions (GstAudioChannelPosition * positions,
gint channels)
{
gint i, j;
guint32 channel_mask = 0;
if (channels == 1 && !positions)
return CHANNEL_OUT_FRONT_CENTER;
if (channels == 2 && !positions)
return CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT;
for (i = 0; i < channels; i++) {
if (positions[i] == GST_AUDIO_CHANNEL_POSITION_INVALID)
return 0;
for (j = 0; j < G_N_ELEMENTS (channel_mapping_table); j++) {
if (channel_mapping_table[j].pos == positions[i]) {
channel_mask |= channel_mapping_table[j].mask;
break;
}
}
if (j == G_N_ELEMENTS (channel_mapping_table)) {
GST_ERROR ("Unable to map channel position %d", positions[i]);
return 0;
}
}
return channel_mask;
}
static gchar *
create_type_name (const gchar * parent_name, const gchar * codec_name)
{
gchar *typified_name;
gint i, k;
gint parent_name_len = strlen (parent_name);
gint codec_name_len = strlen (codec_name);
gboolean upper = TRUE;
typified_name = g_new0 (gchar, parent_name_len + 1 + strlen (codec_name) + 1);
memcpy (typified_name, parent_name, parent_name_len);
typified_name[parent_name_len] = '-';
for (i = 0, k = 0; i < codec_name_len; i++) {
if (g_ascii_isalnum (codec_name[i])) {
if (upper)
typified_name[parent_name_len + 1 + k++] =
g_ascii_toupper (codec_name[i]);
else
typified_name[parent_name_len + 1 + k++] =
g_ascii_tolower (codec_name[i]);
upper = FALSE;
} else {
/* Skip all non-alnum chars and start a new upper case word */
upper = TRUE;
}
}
return typified_name;
}
static gchar *
create_element_name (gboolean video, gboolean encoder, const gchar * codec_name)
{
#define PREFIX_LEN 10
static const gchar *prefixes[] = {
"amcviddec-",
"amcauddec-",
"amcvidenc-",
"amcaudenc-"
};
gchar *element_name;
gint i, k;
gint codec_name_len = strlen (codec_name);
const gchar *prefix;
if (video && !encoder)
prefix = prefixes[0];
else if (!video && !encoder)
prefix = prefixes[1];
else if (video && encoder)
prefix = prefixes[2];
else
prefix = prefixes[3];
element_name = g_new0 (gchar, PREFIX_LEN + strlen (codec_name) + 1);
memcpy (element_name, prefix, PREFIX_LEN);
for (i = 0, k = 0; i < codec_name_len; i++) {
if (g_ascii_isalnum (codec_name[i])) {
element_name[PREFIX_LEN + k++] = g_ascii_tolower (codec_name[i]);
}
/* Skip all non-alnum chars */
}
return element_name;
}
#undef PREFIX_LEN
static gboolean
register_codecs (GstPlugin * plugin)
{
gboolean ret = TRUE;
GList *l;
GST_DEBUG ("Registering plugins");
for (l = codec_infos; l; l = l->next) {
GstAmcCodecInfo *codec_info = l->data;
gboolean is_audio = FALSE;
gboolean is_video = FALSE;
gint i;
gint n_types;
GST_DEBUG ("Registering codec '%s'", codec_info->name);
for (i = 0; i < codec_info->n_supported_types; i++) {
GstAmcCodecType *codec_type = &codec_info->supported_types[i];
if (g_str_has_prefix (codec_type->mime, "audio/"))
is_audio = TRUE;
else if (g_str_has_prefix (codec_type->mime, "video/"))
is_video = TRUE;
}
n_types = 0;
if (is_audio)
n_types++;
if (is_video)
n_types++;
for (i = 0; i < n_types; i++) {
GTypeQuery type_query;
GTypeInfo type_info = { 0, };
GType type, subtype;
gchar *type_name, *element_name;
guint rank;
if (is_video && !codec_info->is_encoder) {
type = gst_amc_video_dec_get_type ();
} else if (is_audio && !codec_info->is_encoder) {
type = gst_amc_audio_dec_get_type ();
} else {
GST_DEBUG ("Skipping unsupported codec type");
continue;
}
g_type_query (type, &type_query);
memset (&type_info, 0, sizeof (type_info));
type_info.class_size = type_query.class_size;
type_info.instance_size = type_query.instance_size;
type_name = create_type_name (type_query.type_name, codec_info->name);
if (g_type_from_name (type_name) != G_TYPE_INVALID) {
GST_ERROR ("Type '%s' already exists for codec '%s'", type_name,
codec_info->name);
g_free (type_name);
continue;
}
subtype = g_type_register_static (type, type_name, &type_info, 0);
g_free (type_name);
g_type_set_qdata (subtype, gst_amc_codec_info_quark, codec_info);
element_name =
create_element_name (is_video, codec_info->is_encoder,
codec_info->name);
/* Give the Google software codec a secondary rank,
* everything else is likely a hardware codec */
if (g_str_has_prefix (codec_info->name, "OMX.google"))
rank = GST_RANK_SECONDARY;
else
rank = GST_RANK_PRIMARY;
ret |= gst_element_register (plugin, element_name, rank, subtype);
g_free (element_name);
is_video = FALSE;
}
}
return ret;
}
static gboolean
plugin_init (GstPlugin * plugin)
{
const gchar *ignore;
GST_DEBUG_CATEGORY_INIT (gst_amc_debug, "amc", 0, "android-media-codec");
pthread_key_create (&current_jni_env, gst_amc_detach_current_thread);
if (!initialize_java_vm ())
return FALSE;
gst_plugin_add_dependency_simple (plugin, NULL, "/etc", "media_codecs.xml",
GST_PLUGIN_DEPENDENCY_FLAG_NONE);
if (!get_java_classes ())
return FALSE;
/* Set this to TRUE to allow registering decoders that have
* any unknown color formats, or encoders that only have
* unknown color formats
*/
ignore = g_getenv ("GST_AMC_IGNORE_UNKNOWN_COLOR_FORMATS");
if (ignore && strcmp (ignore, "yes") == 0)
ignore_unknown_color_formats = TRUE;
if (!scan_codecs (plugin))
return FALSE;
gst_amc_codec_info_quark = g_quark_from_static_string ("gst-amc-codec-info");
if (!register_codecs (plugin))
return FALSE;
return TRUE;
}
#ifdef GST_PLUGIN_DEFINE2
GST_PLUGIN_DEFINE2 (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
androidmedia,
"Android Media plugin",
plugin_init,
PACKAGE_VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
#else
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"androidmedia",
"Android Media plugin",
plugin_init,
PACKAGE_VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
#endif
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