gstreamer/subprojects/gst-plugins-bad/sys/androidmedia/magicleap/gstamc-format-ml.c

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2018-11-19 18:40:35 +00:00
/*
* Copyright (C) 2018 Collabora Ltd.
* Author: Xavier Claessens <xavier.claessens@collabora.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 "gstamc-internal-ml.h"
#include "../gstamc-format.h"
#include <ml_media_format.h>
struct _GstAmcFormat
{
MLHandle handle;
};
static GstAmcFormat *
gst_amc_format_ml_new_audio (const gchar * mime, gint sample_rate,
gint channels, GError ** err)
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{
GstAmcFormat *format = g_slice_new0 (GstAmcFormat);
MLResult result;
result =
MLMediaFormatCreateAudio (mime, sample_rate, channels, &format->handle);
if (result != MLResult_Ok) {
g_set_error_literal (err, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_FAILED,
"Failed to create audio format");
g_slice_free (GstAmcFormat, format);
return NULL;
}
return format;
}
static GstAmcFormat *
gst_amc_format_ml_new_video (const gchar * mime, gint width, gint height,
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GError ** err)
{
GstAmcFormat *format = g_slice_new0 (GstAmcFormat);
MLResult result;
result = MLMediaFormatCreateVideo (mime, width, height, &format->handle);
if (result != MLResult_Ok) {
g_set_error_literal (err, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_FAILED,
"Failed to create video format");
g_slice_free (GstAmcFormat, format);
return NULL;
}
return format;
}
GstAmcFormat *
gst_amc_format_ml_new_handle (MLHandle handle)
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{
GstAmcFormat *format = g_slice_new0 (GstAmcFormat);
format->handle = handle;
return format;
}
MLHandle
gst_amc_format_ml_get_handle (GstAmcFormat * format)
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{
return format->handle;
}
static void
gst_amc_format_ml_free (GstAmcFormat * format)
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{
g_return_if_fail (format != NULL);
g_slice_free (GstAmcFormat, format);
}
static gchar *
gst_amc_format_ml_to_string (GstAmcFormat * format, GError ** err)
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{
MLResult result;
gchar *str;
str = g_new0 (gchar, MAX_FORMAT_STRING_SIZE);
result = MLMediaFormatObjectToString (format->handle, str);
if (result != MLResult_Ok) {
g_set_error (err, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_FAILED,
"Failed to convert format to string: %d", result);
g_free (str);
return NULL;
}
return str;
}
static gboolean
gst_amc_format_ml_get_float (GstAmcFormat * format, const gchar * key,
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gfloat * value, GError ** err)
{
MLResult result;
g_return_val_if_fail (format != NULL, FALSE);
g_return_val_if_fail (key != NULL, FALSE);
g_return_val_if_fail (value != NULL, FALSE);
result = MLMediaFormatGetKeyValueFloat (format->handle, key, value);
if (result != MLResult_Ok) {
g_set_error_literal (err, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_FAILED,
"Failed to get float");
return FALSE;
}
return TRUE;
}
static gboolean
gst_amc_format_ml_set_float (GstAmcFormat * format, const gchar * key,
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gfloat value, GError ** err)
{
MLResult result;
g_return_val_if_fail (format != NULL, FALSE);
g_return_val_if_fail (key != NULL, FALSE);
result = MLMediaFormatSetKeyFloat (format->handle, key, value);
if (result != MLResult_Ok) {
g_set_error_literal (err, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_FAILED,
"Failed to set float");
return FALSE;
}
return TRUE;
}
static gboolean
gst_amc_format_ml_get_int (GstAmcFormat * format, const gchar * key,
gint * value, GError ** err)
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{
MLResult result;
g_return_val_if_fail (format != NULL, FALSE);
g_return_val_if_fail (key != NULL, FALSE);
g_return_val_if_fail (value != NULL, FALSE);
result = MLMediaFormatGetKeyValueInt32 (format->handle, key, value);
if (result != MLResult_Ok) {
g_set_error_literal (err, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_FAILED,
"Failed to get int");
return FALSE;
}
return TRUE;
}
static gboolean
gst_amc_format_ml_set_int (GstAmcFormat * format, const gchar * key, gint value,
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GError ** err)
{
MLResult result;
g_return_val_if_fail (format != NULL, FALSE);
g_return_val_if_fail (key != NULL, FALSE);
result = MLMediaFormatSetKeyInt32 (format->handle, key, value);
if (result != MLResult_Ok) {
g_set_error_literal (err, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_FAILED,
"Failed to set int");
return FALSE;
}
return TRUE;
}
static gboolean
gst_amc_format_ml_get_string (GstAmcFormat * format, const gchar * key,
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gchar ** value, GError ** err)
{
MLResult result;
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 = g_new0 (gchar, MAX_KEY_STRING_SIZE);
result = MLMediaFormatGetKeyString (format->handle, key, *value);
if (result != MLResult_Ok) {
g_set_error_literal (err, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_FAILED,
"Failed to get string");
g_clear_pointer (value, g_free);
return FALSE;
}
return TRUE;
}
static gboolean
gst_amc_format_ml_set_string (GstAmcFormat * format, const gchar * key,
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const gchar * value, GError ** err)
{
MLResult result;
g_return_val_if_fail (format != NULL, FALSE);
g_return_val_if_fail (key != NULL, FALSE);
result = MLMediaFormatSetKeyString (format->handle, key, value);
if (result != MLResult_Ok) {
g_set_error_literal (err, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_FAILED,
"Failed to set string");
return FALSE;
}
return TRUE;
}
static gboolean
gst_amc_format_ml_get_buffer (GstAmcFormat * format, const gchar * key,
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guint8 ** data, gsize * size, GError ** err)
{
MLResult result;
MLMediaFormatByteArray buffer;
g_return_val_if_fail (format != NULL, FALSE);
g_return_val_if_fail (key != NULL, FALSE);
g_return_val_if_fail (data != NULL, FALSE);
g_return_val_if_fail (size != NULL, FALSE);
result = MLMediaFormatGetKeyByteBuffer (format->handle, key, &buffer);
if (result != MLResult_Ok) {
g_set_error_literal (err, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_FAILED,
"Failed to get buffer");
return FALSE;
}
*size = buffer.length;
*data = (guint8 *) g_memdup2 (buffer.ptr, buffer.length);
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MLMediaFormatKeyByteBufferRelease (format->handle, &buffer);
return TRUE;
}
static gboolean
gst_amc_format_ml_set_buffer (GstAmcFormat * format, const gchar * key,
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guint8 * data, gsize size, GError ** err)
{
MLResult result;
MLMediaFormatByteArray buffer;
g_return_val_if_fail (format != NULL, FALSE);
g_return_val_if_fail (key != NULL, FALSE);
g_return_val_if_fail (data != NULL, FALSE);
buffer.ptr = data;
buffer.length = size;
result = MLMediaFormatSetKeyByteBuffer (format->handle, key, &buffer);
if (result != MLResult_Ok) {
g_set_error_literal (err, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_FAILED,
"Failed to set buffer");
return FALSE;
}
return TRUE;
}
GstAmcFormatVTable gst_amc_format_ml_vtable = {
.new_audio = gst_amc_format_ml_new_audio,
.new_video = gst_amc_format_ml_new_video,
.free = gst_amc_format_ml_free,
.to_string = gst_amc_format_ml_to_string,
.get_float = gst_amc_format_ml_get_float,
.set_float = gst_amc_format_ml_set_float,
.get_int = gst_amc_format_ml_get_int,
.set_int = gst_amc_format_ml_set_int,
.get_string = gst_amc_format_ml_get_string,
.set_string = gst_amc_format_ml_set_string,
.get_buffer = gst_amc_format_ml_get_buffer,
.set_buffer = gst_amc_format_ml_set_buffer,
};