gstreamer/omx/gstomxvideo.c
Guillaume Desmottes 9ff4dc533f omxvideo: use GST_VIDEO_CAPS_MAKE() for template caps
Simplify the code and so we advertise the formats actually supported by
gst-omx.
2019-01-25 23:48:11 +00:00

237 lines
6.9 KiB
C

/*
* 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"
#include <math.h>
GST_DEBUG_CATEGORY (gst_omx_video_debug_category);
#define GST_CAT_DEFAULT gst_omx_video_debug_category
/* Keep synced with GST_OMX_VIDEO_SUPPORTED_FORMATS */
GstVideoFormat
gst_omx_video_get_format_from_omx (OMX_COLOR_FORMATTYPE omx_colorformat)
{
GstVideoFormat format;
switch (omx_colorformat) {
case OMX_COLOR_FormatL8:
format = GST_VIDEO_FORMAT_GRAY8;
break;
case OMX_COLOR_FormatYUV420Planar:
case OMX_COLOR_FormatYUV420PackedPlanar:
format = GST_VIDEO_FORMAT_I420;
break;
case OMX_COLOR_FormatYUV420SemiPlanar:
case OMX_COLOR_FormatYUV420PackedSemiPlanar:
format = GST_VIDEO_FORMAT_NV12;
break;
case OMX_COLOR_FormatYUV422SemiPlanar:
format = GST_VIDEO_FORMAT_NV16;
break;
case OMX_COLOR_FormatYCbYCr:
format = GST_VIDEO_FORMAT_YUY2;
break;
case OMX_COLOR_FormatYCrYCb:
format = GST_VIDEO_FORMAT_YVYU;
break;
case OMX_COLOR_FormatCbYCrY:
format = GST_VIDEO_FORMAT_UYVY;
break;
case OMX_COLOR_Format32bitARGB8888:
/* There is a mismatch in omxil specification 4.2.1 between
* OMX_COLOR_Format32bitARGB8888 and its description
* Follow the description */
format = GST_VIDEO_FORMAT_ABGR;
break;
case OMX_COLOR_Format32bitBGRA8888:
/* Same issue as OMX_COLOR_Format32bitARGB8888 */
format = GST_VIDEO_FORMAT_ARGB;
break;
case OMX_COLOR_Format16bitRGB565:
format = GST_VIDEO_FORMAT_RGB16;
break;
case OMX_COLOR_Format16bitBGR565:
format = GST_VIDEO_FORMAT_BGR16;
break;
case OMX_COLOR_Format24bitBGR888:
format = GST_VIDEO_FORMAT_BGR;
break;
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
/* Formats defined in extensions have their own enum so disable to -Wswitch warning */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wswitch"
case OMX_ALG_COLOR_FormatYUV420SemiPlanar10bitPacked:
format = GST_VIDEO_FORMAT_NV12_10LE32;
break;
case OMX_ALG_COLOR_FormatYUV422SemiPlanar10bitPacked:
format = GST_VIDEO_FORMAT_NV16_10LE32;
break;
#pragma GCC diagnostic pop
#endif
default:
format = GST_VIDEO_FORMAT_UNKNOWN;
break;
}
return format;
}
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;
GstVideoFormat f;
GST_OMX_INIT_STRUCT (&param);
param.nPortIndex = port->index;
param.nIndex = 0;
param.xFramerate =
state ? gst_omx_video_calculate_framerate_q16 (&state->info) : 0;
old_index = -1;
do {
err =
gst_omx_component_get_parameter (comp,
OMX_IndexParamVideoPortFormat, &param);
/* 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) {
f = gst_omx_video_get_format_from_omx (param.eColorFormat);
if (f != GST_VIDEO_FORMAT_UNKNOWN) {
m = g_slice_new (GstOMXVideoNegotiationMap);
m->format = f;
m->type = param.eColorFormat;
negotiation_map = g_list_append (negotiation_map, m);
GST_DEBUG_OBJECT (comp->parent,
"Component port %d supports %s (%d) at index %u", port->index,
gst_video_format_to_string (f), param.eColorFormat,
(guint) param.nIndex);
} else {
GST_DEBUG_OBJECT (comp->parent,
"Component port %d supports unsupported color format %d at index %u",
port->index, param.eColorFormat, (guint) param.nIndex);
}
}
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 (GST_OMX_GET_TICKS (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;
}
OMX_U32
gst_omx_video_calculate_framerate_q16 (GstVideoInfo * info)
{
g_assert (info);
return gst_util_uint64_scale_int (1 << 16, info->fps_n, info->fps_d);
}
gboolean
gst_omx_video_is_equal_framerate_q16 (OMX_U32 q16_a, OMX_U32 q16_b)
{
/* If one of them is 0 use the classic comparison. The value 0 has a special
meaning and is used to indicate the frame rate is unknown, variable, or
is not needed. */
if (!q16_a || !q16_b)
return q16_a == q16_b;
/* If the 'percentage change' is less than 1% then consider it equal to avoid
* an unnecessary re-negotiation. */
return fabs (((gdouble) q16_a) - ((gdouble) q16_b)) / (gdouble) q16_b < 0.01;
}