gstreamer/tests/decoder.c
2013-01-11 15:32:17 +01:00

210 lines
5.7 KiB
C

/*
* decoder.h - Decoder utilities for the tests
*
* Copyright (C) 2013 Intel Corporation
*
* 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; either version 2.1
* of the License, or (at your option) any later version.
*
* 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
*/
#include "config.h"
#include <string.h>
#include <gst/vaapi/gstvaapidecoder_h264.h>
#include <gst/vaapi/gstvaapidecoder_jpeg.h>
#include <gst/vaapi/gstvaapidecoder_mpeg2.h>
#include <gst/vaapi/gstvaapidecoder_mpeg4.h>
#include <gst/vaapi/gstvaapidecoder_vc1.h>
#include "decoder.h"
#include "test-jpeg.h"
#include "test-mpeg2.h"
#include "test-mpeg4.h"
#include "test-h264.h"
#include "test-vc1.h"
typedef void (*GetVideoInfoFunc)(VideoDecodeInfo *info);
typedef struct _CodecDefs CodecDefs;
struct _CodecDefs {
const gchar *codec_str;
GetVideoInfoFunc get_video_info;
};
static const CodecDefs g_codec_defs[] = {
#define INIT_FUNCS(CODEC) { #CODEC, CODEC##_get_video_info }
INIT_FUNCS(jpeg),
INIT_FUNCS(mpeg2),
INIT_FUNCS(mpeg4),
INIT_FUNCS(h264),
INIT_FUNCS(vc1),
#undef INIT_FUNCS
{ NULL, }
};
static const CodecDefs *
find_codec_defs(const gchar *codec_str)
{
const CodecDefs *c;
for (c = g_codec_defs; c->codec_str; c++)
if (strcmp(codec_str, c->codec_str) == 0)
return c;
return NULL;
}
#define CODEC_DEFS_KEY "codec-defs"
static inline const CodecDefs *
get_codec_defs(GstVaapiDecoder *decoder)
{
return g_object_get_data(G_OBJECT(decoder), CODEC_DEFS_KEY);
}
static inline void
set_codec_defs(GstVaapiDecoder *decoder, const CodecDefs *c)
{
g_object_set_data(G_OBJECT(decoder), CODEC_DEFS_KEY, (gpointer)c);
}
GstVaapiDecoder *
decoder_new(GstVaapiDisplay *display, const gchar *codec_name)
{
GstVaapiDecoder *decoder;
const CodecDefs *codec;
GstCaps *caps;
VideoDecodeInfo info;
if (!codec_name)
codec_name = "h264";
codec = find_codec_defs(codec_name);
if (!codec) {
GST_ERROR("failed to find %s codec data", codec_name);
return NULL;
}
codec->get_video_info(&info);
caps = gst_vaapi_profile_get_caps(info.profile);
if (!caps) {
GST_ERROR("failed to create decoder caps");
return NULL;
}
if (info.width > 0 && info.height > 0)
gst_caps_set_simple(caps,
"width", G_TYPE_INT, info.width,
"height", G_TYPE_INT, info.height,
NULL);
switch (gst_vaapi_profile_get_codec(info.profile)) {
case GST_VAAPI_CODEC_H264:
decoder = gst_vaapi_decoder_h264_new(display, caps);
break;
#if USE_JPEG_DECODER
case GST_VAAPI_CODEC_JPEG:
decoder = gst_vaapi_decoder_jpeg_new(display, caps);
break;
#endif
case GST_VAAPI_CODEC_MPEG2:
decoder = gst_vaapi_decoder_mpeg2_new(display, caps);
break;
case GST_VAAPI_CODEC_MPEG4:
decoder = gst_vaapi_decoder_mpeg4_new(display, caps);
break;
case GST_VAAPI_CODEC_VC1:
decoder = gst_vaapi_decoder_vc1_new(display, caps);
break;
default:
decoder = NULL;
break;
}
gst_caps_unref(caps);
if (!decoder) {
GST_ERROR("failed to create %s decoder", codec->codec_str);
return NULL;
}
set_codec_defs(decoder, codec);
return decoder;
}
gboolean
decoder_put_buffers(GstVaapiDecoder *decoder)
{
const CodecDefs *codec;
VideoDecodeInfo info;
GstBuffer *buffer;
gboolean success;
g_return_val_if_fail(GST_VAAPI_IS_DECODER(decoder), FALSE);
codec = get_codec_defs(decoder);
g_return_val_if_fail(codec != NULL, FALSE);
buffer = gst_buffer_new();
if (!buffer) {
GST_ERROR("failed to create encoded data buffer");
return FALSE;
}
codec->get_video_info(&info);
gst_buffer_set_data(buffer, (guchar *)info.data, info.data_size);
success = gst_vaapi_decoder_put_buffer(decoder, buffer);
gst_buffer_unref(buffer);
if (!success) {
GST_ERROR("failed to send video data to the decoder");
return FALSE;
}
if (!gst_vaapi_decoder_put_buffer(decoder, NULL)) {
GST_ERROR("failed to submit <end-of-stream> to the decoder");
return FALSE;
}
return TRUE;
}
GstVaapiSurface *
decoder_get_surface(GstVaapiDecoder *decoder)
{
GstVaapiSurface *surface;
GstVaapiSurfaceProxy *proxy;
GstVaapiDecoderStatus status;
g_return_val_if_fail(GST_VAAPI_IS_DECODER(decoder), NULL);
status = gst_vaapi_decoder_get_surface(decoder, &proxy);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS) {
GST_ERROR("failed to get decoded surface (decoder status %d)", status);
return NULL;
}
/* Note: we only have a single I-frame to decode, so this is fine
to just release the surface proxy right away */
surface = gst_vaapi_surface_proxy_get_surface(proxy);
gst_vaapi_surface_proxy_unref(proxy);
return surface;
}
const gchar *
decoder_get_codec_name(GstVaapiDecoder *decoder)
{
const CodecDefs *codec;
g_return_val_if_fail(GST_VAAPI_IS_DECODER(decoder), NULL);
codec = get_codec_defs(decoder);
g_return_val_if_fail(codec != NULL, FALSE);
return codec->codec_str;
}