/* * Copyright (C) 2012, Collabora Ltd. * Author: Sebastian Dröge * * 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 #include #include #include #include #include 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, "", "([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, "", "()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 (¤t_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