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amc: Create JNI wrapper for MediaCodecList

Browse source 
There is no NdkMediaCodecList API yet, but it is still better to isolate
JNI code. This will facilitate porting to a native API if Google ever
release one.
This commit is contained in:
Xavier Claessens 2018-11-11 08:51:04 -05:00
parent 515398a9ff
commit 29ef89983c
5 changed files with 643 additions and 329 deletions
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63
sys/androidmedia/gstamc-codeclist.h Normal file
View file

@ -0,0 +1,63 @@
/*
* Copyright (C) 2012,2018 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
*
*/
#ifndef __GST_AMC_CODECLIST_H__
#define __GST_AMC_CODECLIST_H__
#include <gst/gst.h>
G_BEGIN_DECLS
typedef struct _GstAmcCodecInfoHandle GstAmcCodecInfoHandle;
typedef struct _GstAmcCodecCapabilitiesHandle GstAmcCodecCapabilitiesHandle;
typedef struct _GstAmcCodecProfileLevel GstAmcCodecProfileLevel;
struct _GstAmcCodecProfileLevel
{
gint profile;
gint level;
};
gboolean gst_amc_codeclist_static_init (void);
gboolean gst_amc_codeclist_get_count (gint * count, GError **err);
GstAmcCodecInfoHandle * gst_amc_codeclist_get_codec_info_at (gint index,
GError **err);
void gst_amc_codec_info_handle_free (GstAmcCodecInfoHandle * handle);
gchar * gst_amc_codec_info_handle_get_name (GstAmcCodecInfoHandle * handle,
GError ** err);
gboolean gst_amc_codec_info_handle_is_encoder (GstAmcCodecInfoHandle * handle,
gboolean * is_encoder, GError ** err);
gchar ** gst_amc_codec_info_handle_get_supported_types (
GstAmcCodecInfoHandle * handle, gsize * length, GError ** err);
GstAmcCodecCapabilitiesHandle * gst_amc_codec_info_handle_get_capabilities_for_type (
GstAmcCodecInfoHandle * handle, const gchar * type, GError ** err);
void gst_amc_codec_capabilities_handle_free (
GstAmcCodecCapabilitiesHandle * handle);
gint * gst_amc_codec_capabilities_handle_get_color_formats (
GstAmcCodecCapabilitiesHandle * handle, gsize * length, GError ** err);
GstAmcCodecProfileLevel * gst_amc_codec_capabilities_handle_get_profile_levels (
GstAmcCodecCapabilitiesHandle * handle, gsize * length, GError ** err);
G_END_DECLS
#endif /* __GST_AMC_CODECLIST_H__ */

376
sys/androidmedia/gstamc.c
View file

@ -64,11 +64,9 @@ 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;
gint codec_count, i;
const GstStructure *cache_data;
GError *error = NULL;
GST_DEBUG ("Scanning codecs");
@ -149,41 +147,9 @@ scan_codecs (GstPlugin * plugin)
return TRUE;
}
env = gst_amc_jni_get_env ();
codec_list_class = (*env)->FindClass (env, "android/media/MediaCodecList");
if (!codec_list_class) {
ret = FALSE;
GST_ERROR ("Failed to get codec list class");
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
}
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;
GST_ERROR ("Failed to get codec list method IDs");
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
}
goto done;
}
codec_count =
(*env)->CallStaticIntMethod (env, codec_list_class, get_codec_count_id);
if ((*env)->ExceptionCheck (env)) {
ret = FALSE;
if (!gst_amc_codeclist_get_count (&codec_count, &error)) {
GST_ERROR ("Failed to get number of available codecs");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
ret = FALSE;
goto done;
}
@ -191,79 +157,26 @@ scan_codecs (GstPlugin * plugin)
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;
GstAmcCodecInfoHandle *codec_info = NULL;
gchar *name_str = NULL;
gboolean is_encoder;
gchar **supported_types = NULL;
gsize n_supported_types;
gsize 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) {
codec_info = gst_amc_codeclist_get_codec_info_at (i, &error);
if (!codec_info) {
GST_ERROR ("Failed to get codec info %d", i);
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
}
valid_codec = FALSE;
goto next_codec;
}
codec_info_class = (*env)->GetObjectClass (env, codec_info);
if (!codec_list_class) {
GST_ERROR ("Failed to get codec info class");
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
}
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) {
GST_ERROR ("Failed to get codec info method IDs");
if ((*env)->ExceptionCheck (env)) {
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
}
valid_codec = FALSE;
goto next_codec;
}
name = (*env)->CallObjectMethod (env, codec_info, get_name_id);
if ((*env)->ExceptionCheck (env)) {
name_str = gst_amc_codec_info_handle_get_name (codec_info, &error);
if (!name_str) {
GST_ERROR ("Failed to get codec name");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
valid_codec = FALSE;
goto next_codec;
}
name_str = (*env)->GetStringUTFChars (env, name, NULL);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to convert codec name to UTF8");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
valid_codec = FALSE;
goto next_codec;
}
@ -315,11 +228,8 @@ scan_codecs (GstPlugin * plugin)
}
gst_codec_info->name = g_strdup (name_str);
is_encoder = (*env)->CallBooleanMethod (env, codec_info, is_encoder_id);
if ((*env)->ExceptionCheck (env)) {
if (!gst_amc_codec_info_handle_is_encoder (codec_info, &is_encoder, &error)) {
GST_ERROR ("Failed to detect if codec is an encoder");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
valid_codec = FALSE;
goto next_codec;
}
@ -327,25 +237,16 @@ scan_codecs (GstPlugin * plugin)
gst_codec_info->gl_output_only = FALSE;
supported_types =
(*env)->CallObjectMethod (env, codec_info, get_supported_types_id);
if ((*env)->ExceptionCheck (env)) {
gst_amc_codec_info_handle_get_supported_types (codec_info,
&n_supported_types, &error);
if (!supported_types) {
GST_ERROR ("Failed to get supported types");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
valid_codec = FALSE;
goto next_codec;
}
n_supported_types = (*env)->GetArrayLength (env, supported_types);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to get supported types array length");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
valid_codec = FALSE;
goto next_codec;
}
GST_INFO ("Codec '%s' has %d supported types", name_str, n_supported_types);
GST_INFO ("Codec '%s' has %" G_GSIZE_FORMAT " supported types", name_str,
n_supported_types);
gst_codec_info->supported_types =
g_new0 (GstAmcCodecType, n_supported_types);
@ -359,110 +260,41 @@ scan_codecs (GstPlugin * plugin)
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 profile_levels_id, color_formats_id;
jobject profile_levels = NULL;
jobject color_formats = NULL;
jint *color_formats_elems = NULL;
jsize n_elems, k;
const gchar *supported_type_str;
GstAmcCodecCapabilitiesHandle *capabilities = NULL;
gint k;
gst_codec_type = &gst_codec_info->supported_types[j];
supported_type = (*env)->GetObjectArrayElement (env, supported_types, j);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to get %d-th supported type", j);
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
valid_codec = FALSE;
goto next_supported_type;
}
supported_type_str =
(*env)->GetStringUTFChars (env, supported_type, NULL);
if ((*env)->ExceptionCheck (env) || !supported_type_str) {
GST_ERROR ("Failed to convert supported type to UTF8");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
valid_codec = FALSE;
goto next_supported_type;
}
supported_type_str = supported_types[j];
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)) {
gst_amc_codec_info_handle_get_capabilities_for_type (codec_info,
supported_type_str, &error);
if (!capabilities) {
GST_ERROR ("Failed to get capabilities for supported type");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
valid_codec = FALSE;
goto next_supported_type;
}
capabilities_class = (*env)->GetObjectClass (env, capabilities);
if (!capabilities_class) {
GST_ERROR ("Failed to get capabilities class");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
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) {
GST_ERROR ("Failed to get capabilities field IDs");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
valid_codec = FALSE;
goto next_supported_type;
}
if (g_str_has_prefix (gst_codec_type->mime, "video/")) {
color_formats =
(*env)->GetObjectField (env, capabilities, color_formats_id);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to get color formats");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
valid_codec = FALSE;
goto next_supported_type;
}
n_elems = (*env)->GetArrayLength (env, color_formats);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to get color formats array length");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
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)) {
gst_codec_type->color_formats =
gst_amc_codec_capabilities_handle_get_color_formats (capabilities,
&gst_codec_type->n_color_formats, &error);
if (!gst_codec_type->color_formats) {
GST_ERROR ("Failed to get color format elements");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
valid_codec = FALSE;
goto next_supported_type;
}
for (k = 0; k < n_elems; k++) {
GST_INFO ("Color format %d: 0x%x", k, color_formats_elems[k]);
gst_codec_type->color_formats[k] = color_formats_elems[k];
for (k = 0; k < gst_codec_type->n_color_formats; k++) {
GST_INFO ("Color format %d: 0x%x", k,
gst_codec_type->color_formats[k]);
}
if (!n_elems) {
if (!gst_codec_type->n_color_formats) {
GST_ERROR ("No supported color formats for video codec");
valid_codec = FALSE;
goto next_supported_type;
@ -478,118 +310,27 @@ scan_codecs (GstPlugin * plugin)
}
}
profile_levels =
(*env)->GetObjectField (env, capabilities, profile_levels_id);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to get profile/levels");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
valid_codec = FALSE;
goto next_supported_type;
}
n_elems = (*env)->GetArrayLength (env, profile_levels);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to get profile/levels array length");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
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;
gst_amc_codec_capabilities_handle_get_profile_levels (capabilities,
&gst_codec_type->n_profile_levels, &error);
if (!gst_codec_type->profile_levels) {
GST_ERROR ("Failed to get profile/levels");
valid_codec = FALSE;
goto next_supported_type;
}
profile_level = (*env)->GetObjectArrayElement (env, profile_levels, k);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to get %d-th profile/level", k);
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
valid_codec = FALSE;
goto next_profile_level;
}
profile_level_class = (*env)->GetObjectClass (env, profile_level);
if (!profile_level_class) {
GST_ERROR ("Failed to get profile/level class");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
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) {
GST_ERROR ("Failed to get profile/level field IDs");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
valid_codec = FALSE;
goto next_profile_level;
}
level = (*env)->GetIntField (env, profile_level, level_id);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to get level");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
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)) {
GST_ERROR ("Failed to get profile");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
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;
for (k = 0; k < gst_codec_type->n_profile_levels; k++) {
GST_INFO ("Level %d: 0x%08x", k,
gst_codec_type->profile_levels[k].level);
GST_INFO ("Profile %d: 0x%08x", k,
gst_codec_type->profile_levels[k].profile);
}
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);
gst_amc_codec_capabilities_handle_free (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;
g_clear_error (&error);
if (!valid_codec)
break;
}
@ -637,20 +378,14 @@ scan_codecs (GstPlugin * plugin)
/* Clean up of all local references we got */
next_codec:
if (name_str)
(*env)->ReleaseStringUTFChars (env, name, name_str);
g_free (name_str);
name_str = NULL;
if (name)
(*env)->DeleteLocalRef (env, name);
name = NULL;
if (supported_types)
(*env)->DeleteLocalRef (env, supported_types);
g_strfreev (supported_types);
supported_types = NULL;
if (codec_info)
(*env)->DeleteLocalRef (env, codec_info);
gst_amc_codec_info_handle_free (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;
@ -667,6 +402,7 @@ scan_codecs (GstPlugin * plugin)
}
gst_codec_info = NULL;
valid_codec = TRUE;
g_clear_error (&error);
}
ret = codec_infos.length != 0;
@ -759,8 +495,7 @@ scan_codecs (GstPlugin * plugin)
}
done:
if (codec_list_class)
(*env)->DeleteLocalRef (env, codec_list_class);
g_clear_error (&error);
return ret;
}
@ -2084,6 +1819,9 @@ amc_init (GstPlugin * plugin)
gst_amc_codec_info_quark = g_quark_from_static_string ("gst-amc-codec-info");
if (!gst_amc_codeclist_static_init ())
return FALSE;
if (!gst_amc_codec_static_init ())
return FALSE;

14
sys/androidmedia/gstamc.h
View file

@ -24,10 +24,8 @@
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/audio/audio.h>
#include <jni.h>
#include "gstjniutils.h"
#include "gstamc-codec.h"
#include "gstamc-codeclist.h"
#include "gstamc-format.h"
G_BEGIN_DECLS
@ -39,13 +37,10 @@ struct _GstAmcCodecType {
gchar *mime;
gint *color_formats;
gint n_color_formats;
gsize n_color_formats;
struct {
gint profile;
gint level;
} *profile_levels;
gint n_profile_levels;
GstAmcCodecProfileLevel * profile_levels;
gsize n_profile_levels;
};
struct _GstAmcCodecInfo {
@ -56,7 +51,6 @@ struct _GstAmcCodecInfo {
gint n_supported_types;
};
extern GQuark gst_amc_codec_info_quark;
GstVideoFormat gst_amc_color_format_to_video_format (const GstAmcCodecInfo * codec_info, const gchar * mime, gint color_format);

518
sys/androidmedia/jni/gstamc-codeclist-jni.c Normal file
View file

@ -0,0 +1,518 @@
/*
* Copyright (C) 2012,2018 Collabora Ltd.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
* Copyright (C) 2015, Sebastian Dröge <sebastian@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "../gstjniutils.h"
#include "../gstamc-codeclist.h"
struct _GstAmcCodecInfoHandle
{
jobject object;
};
struct _GstAmcCodecCapabilitiesHandle
{
jobject object;
};
static struct
{
jclass klass;
jmethodID get_codec_count;
jmethodID get_codec_info_at;
} media_codeclist;
static struct
{
jclass klass;
jmethodID get_capabilities_for_type;
jmethodID get_name;
jmethodID get_supported_types;
jmethodID is_encoder;
} media_codecinfo;
static struct
{
jclass klass;
jfieldID color_formats;
jfieldID profile_levels;
} media_codeccapabilities;
static struct
{
jclass klass;
jfieldID level;
jfieldID profile;
} media_codecprofilelevel;
gboolean
gst_amc_codeclist_static_init (void)
{
JNIEnv *env;
GError *err = NULL;
env = gst_amc_jni_get_env ();
media_codeclist.klass =
gst_amc_jni_get_class (env, &err, "android/media/MediaCodecList");
if (!media_codeclist.klass) {
GST_ERROR ("Failed to get android.media.MediaCodecList class: %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codeclist.get_codec_count =
gst_amc_jni_get_method_id (env, &err, media_codeclist.klass,
"getCodecCount", "()I");
if (!media_codeclist.get_codec_count) {
GST_ERROR ("Failed to get android.media.MediaCodecList getCodecCount(): %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codeclist.get_codec_info_at =
gst_amc_jni_get_method_id (env, &err, media_codeclist.klass,
"getCodecInfoAt", "(I)Landroid/media/MediaCodecInfo;");
if (!media_codeclist.get_codec_count) {
GST_ERROR
("Failed to get android.media.MediaCodecList getCodecInfoAt(): %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codecinfo.klass =
gst_amc_jni_get_class (env, &err, "android/media/MediaCodecInfo");
if (!media_codecinfo.klass) {
GST_ERROR ("Failed to get android.media.MediaCodecInfo class: %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codecinfo.get_capabilities_for_type =
gst_amc_jni_get_method_id (env, &err, media_codecinfo.klass,
"getCapabilitiesForType",
"(Ljava/lang/String;)Landroid/media/MediaCodecInfo$CodecCapabilities;");
if (!media_codecinfo.get_capabilities_for_type) {
GST_ERROR
("Failed to get android.media.MediaCodecInfo getCapabilitiesForType(): %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codecinfo.get_name =
gst_amc_jni_get_method_id (env, &err, media_codecinfo.klass, "getName",
"()Ljava/lang/String;");
if (!media_codecinfo.get_name) {
GST_ERROR ("Failed to get android.media.MediaCodecInfo getName(): %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codecinfo.get_supported_types =
gst_amc_jni_get_method_id (env, &err, media_codecinfo.klass,
"getSupportedTypes", "()[Ljava/lang/String;");
if (!media_codecinfo.get_supported_types) {
GST_ERROR
("Failed to get android.media.MediaCodecInfo getSupportedTypes(): %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codecinfo.is_encoder =
gst_amc_jni_get_method_id (env, &err, media_codecinfo.klass, "isEncoder",
"()Z");
if (!media_codecinfo.is_encoder) {
GST_ERROR ("Failed to get android.media.MediaCodecInfo isEncoder(): %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codeccapabilities.klass =
gst_amc_jni_get_class (env, &err,
"android/media/MediaCodecInfo/CodecCapabilities");
if (!media_codeccapabilities.klass) {
GST_ERROR
("Failed to get android.media.MediaCodecInfo.CodecCapabilities class: %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codeccapabilities.color_formats =
gst_amc_jni_get_field_id (env, &err, media_codeccapabilities.klass,
"colorFormats", "[I");
if (!media_codeccapabilities.color_formats) {
GST_ERROR
("Failed to get android.media.MediaCodecInfo.CodecCapabilities colorFormats: %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codeccapabilities.profile_levels =
gst_amc_jni_get_field_id (env, &err, media_codeccapabilities.klass,
"profileLevels", "[Landroid/media/MediaCodecInfo$CodecProfileLevel;");
if (!media_codeccapabilities.profile_levels) {
GST_ERROR
("Failed to get android.media.MediaCodecInfo.CodecCapabilities profileLevels: %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codecprofilelevel.klass =
gst_amc_jni_get_class (env, &err,
"android/media/MediaCodecInfo/CodecProfileLevel");
if (!media_codecprofilelevel.klass) {
GST_ERROR
("Failed to get android.media.MediaCodecInfo.CodecProfileLevel class: %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codecprofilelevel.level =
gst_amc_jni_get_field_id (env, &err, media_codecprofilelevel.klass,
"level", "I");
if (!media_codecprofilelevel.level) {
GST_ERROR
("Failed to get android.media.MediaCodecInfo.CodecProfileLevel level: %s",
err->message);
g_clear_error (&err);
return FALSE;
}
media_codecprofilelevel.profile =
gst_amc_jni_get_field_id (env, &err, media_codecprofilelevel.klass,
"profile", "I");
if (!media_codecprofilelevel.profile) {
GST_ERROR
("Failed to get android.media.MediaCodecInfo.CodecProfileLevel profile: %s",
err->message);
g_clear_error (&err);
return FALSE;
}
return TRUE;
}
gboolean
gst_amc_codeclist_get_count (gint * count, GError ** err)
{
JNIEnv *env;
env = gst_amc_jni_get_env ();
if (!gst_amc_jni_call_static_int_method (env, err, media_codeclist.klass,
media_codeclist.get_codec_count, count))
return FALSE;
return TRUE;
}
GstAmcCodecInfoHandle *
gst_amc_codeclist_get_codec_info_at (gint index, GError ** err)
{
GstAmcCodecInfoHandle *ret;
jobject object;
JNIEnv *env;
env = gst_amc_jni_get_env ();
if (!gst_amc_jni_call_static_object_method (env, err, media_codeclist.klass,
media_codeclist.get_codec_info_at, &object, index))
return NULL;
ret = g_new0 (GstAmcCodecInfoHandle, 1);
ret->object = object;
return ret;
}
void
gst_amc_codec_info_handle_free (GstAmcCodecInfoHandle * handle)
{
JNIEnv *env;
g_return_if_fail (handle != NULL);
env = gst_amc_jni_get_env ();
if (handle->object)
gst_amc_jni_object_unref (env, handle->object);
g_free (handle);
}
gchar *
gst_amc_codec_info_handle_get_name (GstAmcCodecInfoHandle * handle,
GError ** err)
{
JNIEnv *env;
jstring v_str = NULL;
g_return_val_if_fail (handle != NULL, NULL);
env = gst_amc_jni_get_env ();
if (!gst_amc_jni_call_object_method (env, err, handle->object,
media_codecinfo.get_name, &v_str))
return NULL;
return gst_amc_jni_string_to_gchar (env, v_str, TRUE);
}
gboolean
gst_amc_codec_info_handle_is_encoder (GstAmcCodecInfoHandle * handle,
gboolean * is_encoder, GError ** err)
{
JNIEnv *env;
g_return_val_if_fail (handle != NULL, FALSE);
g_return_val_if_fail (is_encoder != NULL, FALSE);
env = gst_amc_jni_get_env ();
if (!gst_amc_jni_call_boolean_method (env, err, handle->object,
media_codecinfo.is_encoder, is_encoder))
return FALSE;
return TRUE;
}
gchar **
gst_amc_codec_info_handle_get_supported_types (GstAmcCodecInfoHandle * handle,
gsize * length, GError ** err)
{
JNIEnv *env;
jarray array = NULL;
jsize len;
jsize i;
gchar **strv = NULL;
g_return_val_if_fail (handle != NULL, NULL);
env = gst_amc_jni_get_env ();
if (!gst_amc_jni_call_object_method (env, err, handle->object,
media_codecinfo.get_name, &array))
goto done;
len = (*env)->GetArrayLength (env, array);
if ((*env)->ExceptionCheck (env)) {
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED, "Failed to get array length");
goto done;
}
strv = g_new0 (gchar *, len + 1);
*length = len;
for (i = 0; i < len; i++) {
jstring string;
string = (*env)->GetObjectArrayElement (env, array, i);
if ((*env)->ExceptionCheck (env)) {
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED, "Failed to get array element");
g_strfreev (strv);
strv = NULL;
goto done;
}
strv[i] = gst_amc_jni_string_to_gchar (env, string, TRUE);
if (!strv[i]) {
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED, "Failed create string");
g_strfreev (strv);
strv = NULL;
goto done;
}
}
done:
if (array)
(*env)->DeleteLocalRef (env, array);
return strv;
}
GstAmcCodecCapabilitiesHandle *
gst_amc_codec_info_handle_get_capabilities_for_type (GstAmcCodecInfoHandle *
handle, const gchar * type, GError ** err)
{
GstAmcCodecCapabilitiesHandle *ret = NULL;
jstring type_str;
jobject object;
JNIEnv *env;
env = gst_amc_jni_get_env ();
type_str = gst_amc_jni_string_from_gchar (env, err, FALSE, type);
if (!type_str)
goto done;
if (!gst_amc_jni_call_object_method (env, err, handle->object,
media_codecinfo.get_capabilities_for_type, &object, type_str))
goto done;
ret = g_new0 (GstAmcCodecCapabilitiesHandle, 1);
ret->object = object;
done:
if (type_str)
gst_amc_jni_object_local_unref (env, type_str);
return ret;
}
void
gst_amc_codec_capabilities_handle_free (GstAmcCodecCapabilitiesHandle * handle)
{
JNIEnv *env;
g_return_if_fail (handle != NULL);
env = gst_amc_jni_get_env ();
if (handle->object)
gst_amc_jni_object_unref (env, handle->object);
g_free (handle);
}
gint *gst_amc_codec_capabilities_handle_get_color_formats
(GstAmcCodecCapabilitiesHandle * handle, gsize * length, GError ** err)
{
JNIEnv *env;
jarray array = NULL;
jsize len;
jint *elems = NULL;
gint *ret = NULL;
g_return_val_if_fail (handle != NULL, NULL);
env = gst_amc_jni_get_env ();
if (!gst_amc_jni_get_object_field (env, err, handle->object,
media_codeccapabilities.color_formats, &array))
goto done;
len = (*env)->GetArrayLength (env, array);
if ((*env)->ExceptionCheck (env)) {
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED, "Failed to get array length");
goto done;
}
elems = (*env)->GetIntArrayElements (env, array, NULL);
if ((*env)->ExceptionCheck (env)) {
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED, "Failed to get array elements");
goto done;
}
ret = g_memdup (elems, sizeof (jint) * len);
*length = len;
done:
if (elems)
(*env)->ReleaseIntArrayElements (env, array, elems, JNI_ABORT);
if (array)
(*env)->DeleteLocalRef (env, array);
return ret;
}
GstAmcCodecProfileLevel *gst_amc_codec_capabilities_handle_get_profile_levels
(GstAmcCodecCapabilitiesHandle * handle, gsize * length, GError ** err)
{
GstAmcCodecProfileLevel *ret = NULL;
JNIEnv *env;
jobject array = NULL;
jsize len;
jsize i;
env = gst_amc_jni_get_env ();
if (!gst_amc_jni_get_object_field (env, err, handle->object,
media_codeccapabilities.profile_levels, &array))
goto done;
len = (*env)->GetArrayLength (env, array);
if ((*env)->ExceptionCheck (env)) {
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED, "Failed to get array length");
goto done;
}
ret = g_new0 (GstAmcCodecProfileLevel, len);
*length = len;
for (i = 0; i < len; i++) {
jobject object = NULL;
object = (*env)->GetObjectArrayElement (env, array, i);
if ((*env)->ExceptionCheck (env)) {
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED, "Failed to get array element");
g_free (ret);
ret = NULL;
goto done;
}
if (!gst_amc_jni_get_int_field (env, err, object,
media_codecprofilelevel.level, &ret[i].level)) {
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED, "Failed to get level");
(*env)->DeleteLocalRef (env, object);
g_free (ret);
ret = NULL;
goto done;
}
if (!gst_amc_jni_get_int_field (env, err, object,
media_codecprofilelevel.profile, &ret[i].profile)) {
gst_amc_jni_set_error (env, err, GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED, "Failed to get profile");
(*env)->DeleteLocalRef (env, object);
g_free (ret);
ret = NULL;
goto done;
}
(*env)->DeleteLocalRef (env, object);
}
done:
if (array)
(*env)->DeleteLocalRef (env, array);
return ret;
}

1
sys/androidmedia/meson.build
View file

@ -12,6 +12,7 @@ androidmedia_sources = [
'gst-android-hardware-sensor.c',
'gstjniutils.c',
'jni/gstamc-codec-jni.c',
'jni/gstamc-codeclist-jni.c',
'jni/gstamc-format-jni.c',
]