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/*
* Copyright (C) 2011, Hewlett-Packard Development Company, L.P.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>, Collabora Ltd.
* Copyright (C) 2013, Collabora Ltd.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk> *
* Copyright 2014 Advanced Micro Devices, Inc.
* Author: Christian König <christian.koenig@amd.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 "gstomxvideo.h"
GST_DEBUG_CATEGORY_STATIC (gst_omx_video_debug_category);
#define GST_CAT_DEFAULT gst_omx_video_debug_category
GList *
gst_omx_video_get_supported_colorformats (GstOMXPort * port,
GstVideoCodecState * state)
{
GstOMXComponent *comp = port->comp;
OMX_VIDEO_PARAM_PORTFORMATTYPE param;
OMX_ERRORTYPE err;
GList *negotiation_map = NULL;
gint old_index;
GstOMXVideoNegotiationMap *m;
GST_OMX_INIT_STRUCT (¶m);
param.nPortIndex = port->index;
param.nIndex = 0;
if (!state || state->info.fps_n == 0)
param.xFramerate = 0;
else
param.xFramerate = (state->info.fps_n << 16) / (state->info.fps_d);
old_index = -1;
do {
err =
gst_omx_component_get_parameter (comp,
OMX_IndexParamVideoPortFormat, ¶m);
/* FIXME: Workaround for Bellagio that simply always
* returns the same value regardless of nIndex and
* never returns OMX_ErrorNoMore
*/
if (old_index == param.nIndex)
break;
if (err == OMX_ErrorNone || err == OMX_ErrorNoMore) {
switch (param.eColorFormat) {
case OMX_COLOR_FormatYUV420Planar:
case OMX_COLOR_FormatYUV420PackedPlanar:
m = g_slice_new (GstOMXVideoNegotiationMap);
m->format = GST_VIDEO_FORMAT_I420;
m->type = param.eColorFormat;
negotiation_map = g_list_append (negotiation_map, m);
GST_DEBUG_OBJECT (comp->parent,
"Component supports I420 (%d) at index %u",
param.eColorFormat, (guint) param.nIndex);
break;
case OMX_COLOR_FormatYUV420SemiPlanar:
m = g_slice_new (GstOMXVideoNegotiationMap);
m->format = GST_VIDEO_FORMAT_NV12;
m->type = param.eColorFormat;
negotiation_map = g_list_append (negotiation_map, m);
GST_DEBUG_OBJECT (comp->parent,
"Component supports NV12 (%d) at index %u",
param.eColorFormat, (guint) param.nIndex);
break;
default:
GST_DEBUG_OBJECT (comp->parent,
"Component supports unsupported color format %d at index %u",
param.eColorFormat, (guint) param.nIndex);
break;
}
}
old_index = param.nIndex++;
} while (err == OMX_ErrorNone);
return negotiation_map;
}
GstCaps *
gst_omx_video_get_caps_for_map (GList * map)
{
GstCaps *caps = gst_caps_new_empty ();
GList *l;
for (l = map; l; l = l->next) {
GstOMXVideoNegotiationMap *entry = l->data;
gst_caps_append_structure (caps,
gst_structure_new ("video/x-raw",
"format", G_TYPE_STRING,
gst_video_format_to_string (entry->format), NULL));
}
return caps;
}
void
gst_omx_video_negotiation_map_free (GstOMXVideoNegotiationMap * m)
{
g_slice_free (GstOMXVideoNegotiationMap, m);
}
GstVideoCodecFrame *
gst_omx_video_find_nearest_frame (GstOMXBuffer * buf, GList * frames)
{
GstVideoCodecFrame *best = NULL;
GstClockTimeDiff best_diff = G_MAXINT64;
GstClockTime timestamp;
GList *l;
timestamp =
gst_util_uint64_scale (buf->omx_buf->nTimeStamp, GST_SECOND,
OMX_TICKS_PER_SECOND);
for (l = frames; l; l = l->next) {
GstVideoCodecFrame *tmp = l->data;
GstClockTimeDiff diff = ABS (GST_CLOCK_DIFF (timestamp, tmp->pts));
if (diff < best_diff) {
best = tmp;
best_diff = diff;
if (diff == 0)
break;
}
}
if (best)
gst_video_codec_frame_ref (best);
g_list_foreach (frames, (GFunc) gst_video_codec_frame_unref, NULL);
g_list_free (frames);
return best;
}
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