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gstreamer/subprojects/gst-omx/omx/gstomxh263enc.c
Akkariin Meiko 27c4ec74a1 Update
2022-03-12 03:16:09 +08:00

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/*
* Copyright (C) 2011, Hewlett-Packard Development Company, L.P.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>, Collabora Ltd.
*
* 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 <gst/gst.h>
#include "gstomxh263enc.h"
GST_DEBUG_CATEGORY_STATIC (gst_omx_h263_enc_debug_category);
#define GST_CAT_DEFAULT gst_omx_h263_enc_debug_category
/* prototypes */
static gboolean gst_omx_h263_enc_set_format (GstOMXVideoEnc * enc,
GstOMXPort * port, GstVideoCodecState * state);
static GstCaps *gst_omx_h263_enc_get_caps (GstOMXVideoEnc * enc,
GstOMXPort * port, GstVideoCodecState * state);
enum
{
PROP_0
};
/* class initialization */
#define DEBUG_INIT \
GST_DEBUG_CATEGORY_INIT (gst_omx_h263_enc_debug_category, "omxh263enc", 0, \
"debug category for gst-omx video encoder base class");
G_DEFINE_TYPE_WITH_CODE (GstOMXH263Enc, gst_omx_h263_enc,
GST_TYPE_OMX_VIDEO_ENC, DEBUG_INIT);
static void
gst_omx_h263_enc_class_init (GstOMXH263EncClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstOMXVideoEncClass *videoenc_class = GST_OMX_VIDEO_ENC_CLASS (klass);
videoenc_class->set_format = GST_DEBUG_FUNCPTR (gst_omx_h263_enc_set_format);
videoenc_class->get_caps = GST_DEBUG_FUNCPTR (gst_omx_h263_enc_get_caps);
videoenc_class->cdata.default_src_template_caps = "video/x-h263, "
"width=(int) [ 16, 4096 ], " "height=(int) [ 16, 4096 ]";
gst_element_class_set_static_metadata (element_class,
"OpenMAX H.263 Video Encoder",
"Codec/Encoder/Video/Hardware",
"Encode H.263 video streams",
"Sebastian Dröge <sebastian.droege@collabora.co.uk>");
gst_omx_set_default_role (&videoenc_class->cdata, "video_encoder.h263");
}
static void
gst_omx_h263_enc_init (GstOMXH263Enc * self)
{
}
static gboolean
gst_omx_h263_enc_set_format (GstOMXVideoEnc * enc, GstOMXPort * port,
GstVideoCodecState * state)
{
GstOMXH263Enc *self = GST_OMX_H263_ENC (enc);
GstCaps *peercaps;
OMX_PARAM_PORTDEFINITIONTYPE port_def;
OMX_VIDEO_PARAM_PROFILELEVELTYPE param;
OMX_ERRORTYPE err;
guint profile_id, level_id;
gst_omx_port_get_port_definition (GST_OMX_VIDEO_ENC (self)->enc_out_port,
&port_def);
port_def.format.video.eCompressionFormat = OMX_VIDEO_CodingH263;
err =
gst_omx_port_update_port_definition (GST_OMX_VIDEO_ENC
(self)->enc_out_port, &port_def);
if (err != OMX_ErrorNone)
return FALSE;
GST_OMX_INIT_STRUCT (&param);
param.nPortIndex = GST_OMX_VIDEO_ENC (self)->enc_out_port->index;
err =
gst_omx_component_get_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexParamVideoProfileLevelCurrent, &param);
if (err != OMX_ErrorNone) {
GST_WARNING_OBJECT (self,
"Getting profile/level not supported by component");
return TRUE;
}
peercaps = gst_pad_peer_query_caps (GST_VIDEO_ENCODER_SRC_PAD (enc),
gst_pad_get_pad_template_caps (GST_VIDEO_ENCODER_SRC_PAD (enc)));
if (peercaps) {
GstStructure *s;
if (gst_caps_is_empty (peercaps)) {
gst_caps_unref (peercaps);
GST_ERROR_OBJECT (self, "Empty caps");
return FALSE;
}
s = gst_caps_get_structure (peercaps, 0);
if (gst_structure_get_uint (s, "profile", &profile_id)) {
switch (profile_id) {
case 0:
param.eProfile = OMX_VIDEO_H263ProfileBaseline;
break;
case 1:
param.eProfile = OMX_VIDEO_H263ProfileH320Coding;
break;
case 2:
param.eProfile = OMX_VIDEO_H263ProfileBackwardCompatible;
break;
case 3:
param.eProfile = OMX_VIDEO_H263ProfileISWV2;
break;
case 4:
param.eProfile = OMX_VIDEO_H263ProfileISWV3;
break;
case 5:
param.eProfile = OMX_VIDEO_H263ProfileHighCompression;
break;
case 6:
param.eProfile = OMX_VIDEO_H263ProfileInternet;
break;
case 7:
param.eProfile = OMX_VIDEO_H263ProfileInterlace;
break;
case 8:
param.eProfile = OMX_VIDEO_H263ProfileHighLatency;
break;
default:
goto unsupported_profile;
}
}
if (gst_structure_get_uint (s, "level", &level_id)) {
switch (level_id) {
case 10:
param.eLevel = OMX_VIDEO_H263Level10;
break;
case 20:
param.eLevel = OMX_VIDEO_H263Level20;
break;
case 30:
param.eLevel = OMX_VIDEO_H263Level30;
break;
case 40:
param.eLevel = OMX_VIDEO_H263Level40;
break;
case 50:
param.eLevel = OMX_VIDEO_H263Level50;
break;
case 60:
param.eLevel = OMX_VIDEO_H263Level60;
break;
case 70:
param.eLevel = OMX_VIDEO_H263Level70;
break;
default:
goto unsupported_level;
}
}
gst_caps_unref (peercaps);
}
err =
gst_omx_component_set_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexParamVideoProfileLevelCurrent, &param);
if (err == OMX_ErrorUnsupportedIndex) {
GST_WARNING_OBJECT (self,
"Setting profile/level not supported by component");
} else if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (self,
"Error setting profile %u and level %u: %s (0x%08x)",
(guint) param.eProfile, (guint) param.eLevel,
gst_omx_error_to_string (err), err);
return FALSE;
}
return TRUE;
unsupported_profile:
GST_ERROR_OBJECT (self, "Unsupported profile %u", profile_id);
gst_caps_unref (peercaps);
return FALSE;
unsupported_level:
GST_ERROR_OBJECT (self, "Unsupported level %u", level_id);
gst_caps_unref (peercaps);
return FALSE;
}
static GstCaps *
gst_omx_h263_enc_get_caps (GstOMXVideoEnc * enc, GstOMXPort * port,
GstVideoCodecState * state)
{
GstOMXH263Enc *self = GST_OMX_H263_ENC (enc);
GstCaps *caps;
OMX_ERRORTYPE err;
OMX_VIDEO_PARAM_PROFILELEVELTYPE param;
guint profile, level;
caps = gst_caps_new_empty_simple ("video/x-h263");
GST_OMX_INIT_STRUCT (&param);
param.nPortIndex = GST_OMX_VIDEO_ENC (self)->enc_out_port->index;
err =
gst_omx_component_get_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexParamVideoProfileLevelCurrent, &param);
if (err != OMX_ErrorNone && err != OMX_ErrorUnsupportedIndex) {
gst_caps_unref (caps);
return NULL;
}
if (err == OMX_ErrorNone) {
switch (param.eProfile) {
case OMX_VIDEO_H263ProfileBaseline:
profile = 0;
break;
case OMX_VIDEO_H263ProfileH320Coding:
profile = 1;
break;
case OMX_VIDEO_H263ProfileBackwardCompatible:
profile = 2;
break;
case OMX_VIDEO_H263ProfileISWV2:
profile = 3;
break;
case OMX_VIDEO_H263ProfileISWV3:
profile = 4;
break;
case OMX_VIDEO_H263ProfileHighCompression:
profile = 5;
break;
case OMX_VIDEO_H263ProfileInternet:
profile = 6;
break;
case OMX_VIDEO_H263ProfileInterlace:
profile = 7;
break;
case OMX_VIDEO_H263ProfileHighLatency:
profile = 8;
break;
default:
g_assert_not_reached ();
gst_caps_unref (caps);
return NULL;
}
switch (param.eLevel) {
case OMX_VIDEO_H263Level10:
level = 10;
break;
case OMX_VIDEO_H263Level20:
level = 20;
break;
case OMX_VIDEO_H263Level30:
level = 30;
break;
case OMX_VIDEO_H263Level40:
level = 40;
break;
case OMX_VIDEO_H263Level50:
level = 50;
break;
case OMX_VIDEO_H263Level60:
level = 60;
break;
case OMX_VIDEO_H263Level70:
level = 70;
break;
default:
g_assert_not_reached ();
gst_caps_unref (caps);
return NULL;
}
gst_caps_set_simple (caps,
"profile", G_TYPE_UINT, profile, "level", G_TYPE_UINT, level, NULL);
}
return caps;
}
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