mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-19 00:01:23 +00:00
Code Issues 1 Projects Releases Wiki Activity
gstreamer/gst-libs/gst/video/video-converter.c
Wim Taymans da6f66e550 video-converter: unpack into the destination when needed 
Make sure we write into the destination line when we can propose the
dest allocator.
2014-11-06 16:26:24 +01:00

2477 lines
77 KiB
C
Raw Blame History

/* GStreamer
* Copyright (C) 2010 David Schleef <ds@schleef.org>
* Copyright (C) 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "video-converter.h"
#include <glib.h>
#include <string.h>
#include <math.h>
#include "video-orc.h"
/**
* SECTION:videoconverter
* @short_description: Generic video conversion
*
* <refsect2>
* <para>
* This object is used to convert video frames from one format to another.
* The object can perform conversion of:
* <itemizedlist>
* <listitem><para>
* video format
* </para></listitem>
* <listitem><para>
* video colorspace
* </para></listitem>
* <listitem><para>
* chroma-siting
* </para></listitem>
* <listitem><para>
* video size (planned)
* </para></listitem>
* </para>
* </refsect2>
*/
typedef struct _GstLineCache GstLineCache;
struct _GstVideoConverter
{
GstVideoInfo in_info;
GstVideoInfo out_info;
gint in_x;
gint in_y;
gint in_width;
gint in_height;
gint in_maxwidth;
gint in_maxheight;
gint out_x;
gint out_y;
gint out_width;
gint out_height;
gint out_maxwidth;
gint out_maxheight;
gint current_pstride;
gint current_width;
GstVideoFormat current_format;
gint in_bits;
gint out_bits;
gint cmatrix[4][4];
guint64 orc_p1;
guint64 orc_p2;
guint64 orc_p3;
GstStructure *config;
GstVideoDitherMethod dither;
guint lines;
guint n_tmplines;
gpointer *tmplines;
guint16 *errline;
guint tmplines_idx;
guint n_btmplines;
gpointer *btmplines;
guint btmplines_idx;
gboolean fill_border;
gpointer borderline;
guint32 border_argb;
GstVideoChromaResample *upsample;
guint up_n_lines;
gint up_offset;
GstVideoChromaResample *downsample;
guint down_n_lines;
gint down_offset;
void (*convert) (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest);
void (*matrix) (GstVideoConverter * convert, gpointer pixels);
void (*dither16) (GstVideoConverter * convert, guint16 * pixels, int j);
gboolean identity_unpack;
GstLineCache *unpack_lines;
GstLineCache *upsample_lines;
GstLineCache *hscale_lines;
GstLineCache *vscale_lines;
GstLineCache *convert_lines;
GstLineCache *downsample_lines;
GstLineCache *pack_lines;
gboolean identity_pack;
GstVideoScaler *h_scaler;
gint h_scale_format;
GstVideoScaler *v_scaler;
gint v_scale_width;
gint v_scale_format;
gint pack_pstride;
const GstVideoFrame *src;
GstVideoFrame *dest;
};
typedef gpointer (*GstLineCacheAllocLineFunc) (GstLineCache * cache, gint idx,
gpointer user_data);
typedef gboolean (*GstLineCacheNeedLineFunc) (GstLineCache * cache,
gint out_line, gint in_line, gpointer user_data);
struct _GstLineCache
{
gint first;
GPtrArray *lines;
GstLineCache *prev;
gboolean write_input;
gboolean pass_alloc;
gboolean alloc_writable;
GstLineCacheNeedLineFunc need_line;
gpointer need_line_data;
GDestroyNotify need_line_notify;
GstLineCacheAllocLineFunc alloc_line;
gpointer alloc_line_data;
GDestroyNotify alloc_line_notify;
};
static GstLineCache *
gst_line_cache_new (GstLineCache * prev)
{
GstLineCache *result;
result = g_slice_new0 (GstLineCache);
result->lines = g_ptr_array_new ();
result->prev = prev;
return result;
}
static void
gst_line_cache_clear (GstLineCache * cache)
{
g_return_if_fail (cache != NULL);
g_ptr_array_set_size (cache->lines, 0);
cache->first = 0;
}
static void
gst_line_cache_free (GstLineCache * cache)
{
gst_line_cache_clear (cache);
g_ptr_array_unref (cache->lines);
g_slice_free (GstLineCache, cache);
}
static void
gst_line_cache_set_need_line_func (GstLineCache * cache,
GstLineCacheNeedLineFunc need_line, gpointer user_data,
GDestroyNotify notify)
{
cache->need_line = need_line;
cache->need_line_data = user_data;
cache->need_line_notify = notify;
}
static void
gst_line_cache_set_alloc_line_func (GstLineCache * cache,
GstLineCacheAllocLineFunc alloc_line, gpointer user_data,
GDestroyNotify notify)
{
cache->alloc_line = alloc_line;
cache->alloc_line_data = user_data;
cache->alloc_line_notify = notify;
}
static gpointer *
gst_line_cache_get_lines (GstLineCache * cache, gint out_line, gint in_line,
gint n_lines)
{
if (cache->first < in_line) {
gint to_remove = MIN (in_line - cache->first, cache->lines->len);
if (to_remove > 0)
g_ptr_array_remove_range (cache->lines, 0, to_remove);
cache->first = in_line;
} else if (in_line < cache->first) {
gst_line_cache_clear (cache);
cache->first = in_line;
}
while (TRUE) {
gint oline;
if (cache->first <= in_line
&& in_line + n_lines <= cache->first + (gint) cache->lines->len) {
return cache->lines->pdata + (in_line - cache->first);
}
if (cache->need_line == NULL)
break;
oline = out_line + cache->first + cache->lines->len - in_line;
if (!cache->need_line (cache, oline, cache->first + cache->lines->len,
cache->need_line_data))
break;
}
GST_DEBUG ("no lines");
return NULL;
}
static void
gst_line_cache_add_line (GstLineCache * cache, gint idx, gpointer line)
{
if (cache->first + cache->lines->len != idx) {
gst_line_cache_clear (cache);
cache->first = idx;
}
g_ptr_array_add (cache->lines, line);
}
static gpointer
gst_line_cache_alloc_line (GstLineCache * cache, gint idx)
{
gpointer res;
if (cache->alloc_line)
res = cache->alloc_line (cache, idx, cache->alloc_line_data);
else
res = NULL;
return res;
}
static void video_converter_generic (GstVideoConverter * convert,
const GstVideoFrame * src, GstVideoFrame * dest);
static void video_converter_matrix8 (GstVideoConverter * convert,
gpointer pixels);
static void video_converter_matrix16 (GstVideoConverter * convert,
gpointer pixels);
static gboolean video_converter_lookup_fastpath (GstVideoConverter * convert);
static void video_converter_compute_matrix (GstVideoConverter * convert);
static void video_converter_compute_resample (GstVideoConverter * convert);
static gpointer get_dest_line (GstLineCache * cache, gint idx,
gpointer user_data);
static gboolean do_unpack_lines (GstLineCache * cache, gint out_line,
gint in_line, gpointer user_data);
static gboolean do_downsample_lines (GstLineCache * cache, gint out_line,
gint in_line, gpointer user_data);
static gboolean do_convert_lines (GstLineCache * cache, gint out_line,
gint in_line, gpointer user_data);
static gboolean do_upsample_lines (GstLineCache * cache, gint out_line,
gint in_line, gpointer user_data);
static gboolean do_vscale_lines (GstLineCache * cache, gint out_line,
gint in_line, gpointer user_data);
static gboolean do_hscale_lines (GstLineCache * cache, gint out_line,
gint in_line, gpointer user_data);
static void
alloc_tmplines (GstVideoConverter * convert, guint lines, guint blines,
gint width)
{
gint i;
convert->n_tmplines = lines;
convert->tmplines = g_malloc (lines * sizeof (gpointer));
for (i = 0; i < lines; i++)
convert->tmplines[i] = g_malloc (sizeof (guint16) * (width + 8) * 4);
convert->tmplines_idx = 0;
convert->n_btmplines = blines;
convert->btmplines = g_malloc (blines * sizeof (gpointer));
for (i = 0; i < blines; i++) {
convert->btmplines[i] = g_malloc (sizeof (guint16) * (width + 8) * 4);
if (convert->borderline)
memcpy (convert->btmplines[i], convert->borderline, width * 8);
}
convert->btmplines_idx = 0;
}
static gpointer
get_temp_line (GstLineCache * cache, gint idx, gpointer user_data)
{
GstVideoConverter *convert = user_data;
gpointer tmpline;
GST_DEBUG ("get temp line %d", idx);
tmpline = (guint8 *) convert->tmplines[convert->tmplines_idx] +
(convert->out_x * convert->pack_pstride);
convert->tmplines_idx = (convert->tmplines_idx + 1) % convert->n_tmplines;
return tmpline;
}
static gpointer
get_border_temp_line (GstLineCache * cache, gint idx, gpointer user_data)
{
GstVideoConverter *convert = user_data;
gpointer tmpline;
GST_DEBUG ("get border temp line %d", idx);
tmpline = (guint8 *) convert->btmplines[convert->btmplines_idx] +
(convert->out_x * convert->pack_pstride);
convert->btmplines_idx = (convert->btmplines_idx + 1) % convert->n_btmplines;
return tmpline;
}
static GstLineCache *
chain_unpack_line (GstVideoConverter * convert)
{
GstLineCache *prev;
convert->current_format = convert->in_info.finfo->unpack_format;
convert->current_pstride = convert->in_bits >> 1;
convert->identity_unpack =
(convert->current_format == convert->in_info.finfo->format);
GST_DEBUG ("chain unpack line format %s, pstride %d, identity_unpack %d",
gst_video_format_to_string (convert->current_format),
convert->current_pstride, convert->identity_unpack);
prev = convert->unpack_lines = gst_line_cache_new (NULL);
prev->write_input = FALSE;
prev->pass_alloc = FALSE;
gst_line_cache_set_need_line_func (convert->unpack_lines,
do_unpack_lines, convert, NULL);
return convert->unpack_lines;
}
static GstLineCache *
chain_upsample (GstVideoConverter * convert, GstLineCache * prev)
{
video_converter_compute_resample (convert);
if (convert->upsample) {
GST_DEBUG ("chain upsample");
prev = convert->upsample_lines = gst_line_cache_new (prev);
prev->write_input = TRUE;
prev->pass_alloc = TRUE;
gst_line_cache_set_need_line_func (convert->upsample_lines,
do_upsample_lines, convert, NULL);
}
return prev;
}
static GstLineCache *
chain_convert (GstVideoConverter * convert, GstLineCache * prev)
{
if (convert->in_bits != convert->out_bits || convert->matrix) {
GST_DEBUG ("chain convert");
prev = convert->convert_lines = gst_line_cache_new (prev);
prev->write_input = TRUE;
prev->pass_alloc = TRUE;
gst_line_cache_set_need_line_func (convert->convert_lines,
do_convert_lines, convert, NULL);
}
convert->current_format = convert->out_info.finfo->unpack_format;
convert->current_pstride = convert->out_bits >> 1;
GST_DEBUG ("chain after convert %s, pstride %d",
gst_video_format_to_string (convert->current_format),
convert->current_pstride);
return prev;
}
static GstLineCache *
chain_hscale (GstVideoConverter * convert, GstLineCache * prev)
{
gint method;
guint taps;
prev = convert->hscale_lines = gst_line_cache_new (prev);
prev->write_input = FALSE;
prev->pass_alloc = FALSE;
gst_line_cache_set_need_line_func (convert->hscale_lines,
do_hscale_lines, convert, NULL);
if (!gst_structure_get_enum (convert->config,
GST_VIDEO_CONVERTER_OPT_RESAMPLER_METHOD,
GST_TYPE_VIDEO_RESAMPLER_METHOD, &method))
method = GST_VIDEO_RESAMPLER_METHOD_CUBIC;
if (!gst_structure_get_uint (convert->config,
GST_VIDEO_CONVERTER_OPT_RESAMPLER_TAPS, &taps))
taps = 0;
convert->h_scaler =
gst_video_scaler_new (method, GST_VIDEO_SCALER_FLAG_NONE, taps,
convert->in_width, convert->out_width, convert->config);
GST_DEBUG ("chain hscale %d->%d, taps %d, method %d",
convert->in_width, convert->out_width, taps, method);
convert->current_width = convert->out_width;
convert->h_scale_format = convert->current_format;
return prev;
}
static GstLineCache *
chain_vscale (GstVideoConverter * convert, GstLineCache * prev)
{
GstVideoScalerFlags flags;
gint method;
guint taps;
flags = GST_VIDEO_INFO_IS_INTERLACED (&convert->in_info) ?
GST_VIDEO_SCALER_FLAG_INTERLACED : 0;
if (!gst_structure_get_enum (convert->config,
GST_VIDEO_CONVERTER_OPT_RESAMPLER_METHOD,
GST_TYPE_VIDEO_RESAMPLER_METHOD, &method))
method = GST_VIDEO_RESAMPLER_METHOD_CUBIC;
if (!gst_structure_get_uint (convert->config,
GST_VIDEO_CONVERTER_OPT_RESAMPLER_TAPS, &taps))
taps = 0;
convert->v_scaler =
gst_video_scaler_new (method, flags, taps, convert->in_height,
convert->out_height, convert->config);
convert->v_scale_width = convert->current_width;
convert->v_scale_format = convert->current_format;
gst_video_scaler_get_coeff (convert->v_scaler, 0, NULL, &taps);
GST_DEBUG ("chain vscale %d->%d, taps %d, method %d",
convert->in_width, convert->out_height, taps, method);
prev = convert->vscale_lines = gst_line_cache_new (prev);
prev->pass_alloc = (taps == 1);
prev->write_input = FALSE;
gst_line_cache_set_need_line_func (convert->vscale_lines,
do_vscale_lines, convert, NULL);
return prev;
}
static GstLineCache *
chain_downsample (GstVideoConverter * convert, GstLineCache * prev)
{
if (convert->downsample) {
GST_DEBUG ("chain downsample");
prev = convert->downsample_lines = gst_line_cache_new (prev);
prev->write_input = TRUE;
prev->pass_alloc = TRUE;
gst_line_cache_set_need_line_func (convert->downsample_lines,
do_downsample_lines, convert, NULL);
}
return prev;
}
static GstLineCache *
chain_pack (GstVideoConverter * convert, GstLineCache * prev)
{
convert->pack_pstride = convert->current_pstride;
convert->identity_pack =
(convert->out_info.finfo->format ==
convert->out_info.finfo->unpack_format);
GST_DEBUG ("chain pack line format %s, pstride %d, identity_pack %d (%d %d)",
gst_video_format_to_string (convert->current_format),
convert->current_pstride, convert->identity_pack,
convert->out_info.finfo->format, convert->out_info.finfo->unpack_format);
return prev;
}
static gint
get_opt_int (GstVideoConverter * convert, const gchar * opt, gint def)
{
gint res;
if (!gst_structure_get_int (convert->config, opt, &res))
res = def;
return res;
}
static guint
get_opt_uint (GstVideoConverter * convert, const gchar * opt, guint def)
{
guint res;
if (!gst_structure_get_uint (convert->config, opt, &res))
res = def;
return res;
}
static gboolean
get_opt_bool (GstVideoConverter * convert, const gchar * opt, gboolean def)
{
gboolean res;
if (!gst_structure_get_boolean (convert->config, opt, &res))
res = def;
return res;
}
static void
setup_allocators (GstVideoConverter * convert)
{
GstLineCache *cache;
GstLineCacheAllocLineFunc alloc_line;
gboolean alloc_writable;
/* start with using dest lines if we can directly write into it */
if (convert->identity_pack) {
alloc_line = get_dest_line;
alloc_writable = TRUE;
} else {
alloc_line = get_border_temp_line;
alloc_writable = FALSE;
}
/* now walk backwards, we try to write into the dest lines directly
* and keep track if the source needs to be writable */
for (cache = convert->pack_lines; cache; cache = cache->prev) {
gst_line_cache_set_alloc_line_func (cache, alloc_line, convert, NULL);
cache->alloc_writable = alloc_writable;
if (cache->pass_alloc == FALSE) {
/* can't pass allocator, use temp lines */
alloc_line = get_temp_line;
alloc_writable = FALSE;
}
/* if someone writes to the input, we need a writable line from the
* previous cache */
if (cache->write_input)
alloc_writable = TRUE;
}
}
/**
* gst_video_converter_new:
* @in_info: a #GstVideoInfo
* @out_info: a #GstVideoInfo
* @config: a #GstStructure with configuration options
*
* Create a new converter object to convert between @in_info and @out_info
* with @config.
*
* Returns: a #GstVideoConverter or %NULL if conversion is not possible.
*
* Since: 1.6
*/
GstVideoConverter *
gst_video_converter_new (GstVideoInfo * in_info, GstVideoInfo * out_info,
GstStructure * config)
{
GstVideoConverter *convert;
gint width;
GstLineCache *prev;
gint s2, s3;
const GstVideoFormatInfo *fin, *fout;
g_return_val_if_fail (in_info != NULL, NULL);
g_return_val_if_fail (out_info != NULL, NULL);
/* we won't ever do framerate conversion */
g_return_val_if_fail (in_info->fps_n == out_info->fps_n, NULL);
g_return_val_if_fail (in_info->fps_d == out_info->fps_d, NULL);
/* we won't ever do deinterlace */
g_return_val_if_fail (in_info->interlace_mode == out_info->interlace_mode,
NULL);
convert = g_slice_new0 (GstVideoConverter);
fin = in_info->finfo;
fout = out_info->finfo;
convert->in_info = *in_info;
convert->out_info = *out_info;
/* default config */
convert->config = gst_structure_new ("GstVideoConverter",
"dither", GST_TYPE_VIDEO_DITHER_METHOD, GST_VIDEO_DITHER_NONE, NULL);
if (config)
gst_video_converter_set_config (convert, config);
convert->in_maxwidth = GST_VIDEO_INFO_WIDTH (in_info);
convert->in_maxheight = GST_VIDEO_INFO_HEIGHT (in_info);
convert->out_maxwidth = GST_VIDEO_INFO_WIDTH (out_info);
convert->out_maxheight = GST_VIDEO_INFO_HEIGHT (out_info);
convert->in_x = get_opt_int (convert, GST_VIDEO_CONVERTER_OPT_SRC_X, 0);
convert->in_y = get_opt_int (convert, GST_VIDEO_CONVERTER_OPT_SRC_Y, 0);
convert->in_width = get_opt_int (convert,
GST_VIDEO_CONVERTER_OPT_SRC_WIDTH, convert->in_maxwidth);
convert->in_height = get_opt_int (convert,
GST_VIDEO_CONVERTER_OPT_SRC_HEIGHT, convert->in_maxheight);
convert->in_x &= ~((1 << fin->w_sub[1]) - 1);
convert->in_y &= ~((1 << fin->h_sub[1]) - 1);
convert->out_x = get_opt_int (convert, GST_VIDEO_CONVERTER_OPT_DEST_X, 0);
convert->out_y = get_opt_int (convert, GST_VIDEO_CONVERTER_OPT_DEST_Y, 0);
convert->out_width = get_opt_int (convert,
GST_VIDEO_CONVERTER_OPT_DEST_WIDTH, convert->out_maxwidth);
convert->out_height = get_opt_int (convert,
GST_VIDEO_CONVERTER_OPT_DEST_HEIGHT, convert->out_maxheight);
convert->out_x &= ~((1 << fout->w_sub[1]) - 1);
convert->out_y &= ~((1 << fout->h_sub[1]) - 1);
convert->fill_border = get_opt_bool (convert,
GST_VIDEO_CONVERTER_OPT_FILL_BORDER, TRUE);
convert->border_argb = get_opt_uint (convert,
GST_VIDEO_CONVERTER_OPT_BORDER_ARGB, 0x00000000);
if (video_converter_lookup_fastpath (convert))
goto done;
if (in_info->finfo->unpack_func == NULL)
goto no_unpack_func;
if (out_info->finfo->pack_func == NULL)
goto no_pack_func;
convert->convert = video_converter_generic;
s2 = convert->in_width * convert->out_height;
s3 = convert->out_width * convert->in_height;
video_converter_compute_matrix (convert);
convert->current_format = GST_VIDEO_INFO_FORMAT (in_info);
convert->current_width = convert->in_width;
/* unpack */
prev = chain_unpack_line (convert);
/* upsample chroma */
prev = chain_upsample (convert, prev);
if (s3 <= s2) {
/* horizontal scaling first produces less pixels */
if (convert->in_width <= convert->out_width) {
/* upscaling, first convert then */
prev = chain_convert (convert, prev);
}
if (convert->in_width != convert->out_width) {
prev = chain_hscale (convert, prev);
}
if (convert->in_width > convert->out_width) {
/* downscaling, convert after scaling then */
prev = chain_convert (convert, prev);
}
}
/* v-scale */
if (convert->in_height != convert->out_height) {
prev = chain_vscale (convert, prev);
}
if (s3 > s2) {
/* vertical scaling first produced less pixels */
if (convert->in_width <= convert->out_width) {
/* upscaling, first convert then */
prev = chain_convert (convert, prev);
}
if (convert->in_width != convert->out_width) {
prev = chain_hscale (convert, prev);
}
if (convert->in_width > convert->out_width) {
/* downscaling, convert after scaling then */
prev = chain_convert (convert, prev);
}
}
/* downsample chroma */
prev = chain_downsample (convert, prev);
/* pack into final format */
convert->pack_lines = chain_pack (convert, prev);
/* now figure out allocators */
setup_allocators (convert);
convert->lines = out_info->finfo->pack_lines;
width = MAX (convert->in_maxwidth, convert->out_maxwidth);
width += convert->out_x;
convert->errline = g_malloc0 (sizeof (guint16) * width * 4);
if (convert->fill_border && (convert->out_height < convert->out_maxheight ||
convert->out_width < convert->out_maxwidth)) {
gint i;
guint8 *b;
guint64 border_val, v;
b = convert->borderline = g_malloc0 (sizeof (guint16) * width * 4);
if (GST_VIDEO_INFO_IS_YUV (&convert->out_info)) {
/* FIXME, convert to AYUV, just black for now */
border_val = 0x00007f7f;
} else {
border_val = convert->border_argb;
}
if (convert->out_bits == 8)
v = (border_val << 32) | border_val;
else {
guint64 c;
c = (border_val >> 24) & 0xff;
v = (c << 56) | (c << 48);
c = (border_val >> 16) & 0xff;
v |= (c << 40) | (c << 32);
c = (border_val >> 8) & 0xff;
v |= (c << 24) | (c << 16);
c = (border_val) & 0xff;
v |= (c << 8) | c;
}
v = GINT64_TO_BE (v);
for (i = 0; i < width; i++) {
memcpy (b, &v, 8);
b += 8;
}
} else {
convert->borderline = NULL;
}
/* FIXME */
alloc_tmplines (convert, 64, 4, width);
done:
return convert;
/* ERRORS */
no_unpack_func:
{
GST_ERROR ("no unpack_func for format %s",
gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (in_info)));
gst_video_converter_free (convert);
return NULL;
}
no_pack_func:
{
GST_ERROR ("no pack_func for format %s",
gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (out_info)));
gst_video_converter_free (convert);
return NULL;
}
}
/**
* gst_video_converter_free:
* @convert: a #GstVideoConverter
*
* Free @convert
*
* Since: 1.6
*/
void
gst_video_converter_free (GstVideoConverter * convert)
{
gint i;
g_return_if_fail (convert != NULL);
if (convert->upsample)
gst_video_chroma_resample_free (convert->upsample);
if (convert->downsample)
gst_video_chroma_resample_free (convert->downsample);
if (convert->v_scaler)
gst_video_scaler_free (convert->v_scaler);
if (convert->h_scaler)
gst_video_scaler_free (convert->h_scaler);
if (convert->unpack_lines)
gst_line_cache_free (convert->unpack_lines);
if (convert->upsample_lines)
gst_line_cache_free (convert->upsample_lines);
if (convert->hscale_lines)
gst_line_cache_free (convert->hscale_lines);
if (convert->vscale_lines)
gst_line_cache_free (convert->vscale_lines);
if (convert->convert_lines)
gst_line_cache_free (convert->convert_lines);
if (convert->downsample_lines)
gst_line_cache_free (convert->downsample_lines);
for (i = 0; i < convert->n_tmplines; i++)
g_free (convert->tmplines[i]);
g_free (convert->tmplines);
for (i = 0; i < convert->n_btmplines; i++)
g_free (convert->btmplines[i]);
g_free (convert->btmplines);
g_free (convert->errline);
g_free (convert->borderline);
if (convert->config)
gst_structure_free (convert->config);
g_slice_free (GstVideoConverter, convert);
}
static void
video_dither_verterr (GstVideoConverter * convert, guint16 * pixels, int j)
{
int i;
guint16 *errline = convert->errline;
unsigned int mask = 0xff;
for (i = 0; i < 4 * convert->in_width; i++) {
int x = pixels[i] + errline[i];
if (x > 65535)
x = 65535;
pixels[i] = x;
errline[i] = x & mask;
}
}
static void
video_dither_halftone (GstVideoConverter * convert, guint16 * pixels, int j)
{
int i;
static guint16 halftone[8][8] = {
{0, 128, 32, 160, 8, 136, 40, 168},
{192, 64, 224, 96, 200, 72, 232, 104},
{48, 176, 16, 144, 56, 184, 24, 152},
{240, 112, 208, 80, 248, 120, 216, 88},
{12, 240, 44, 172, 4, 132, 36, 164},
{204, 76, 236, 108, 196, 68, 228, 100},
{60, 188, 28, 156, 52, 180, 20, 148},
{252, 142, 220, 92, 244, 116, 212, 84}
};
for (i = 0; i < convert->in_width * 4; i++) {
int x;
x = pixels[i] + halftone[(i >> 2) & 7][j & 7];
if (x > 65535)
x = 65535;
pixels[i] = x;
}
}
static gboolean
copy_config (GQuark field_id, const GValue * value, gpointer user_data)
{
GstVideoConverter *convert = user_data;
gst_structure_id_set_value (convert->config, field_id, value);
return TRUE;
}
/**
* gst_video_converter_set_config:
* @convert: a #GstVideoConverter
* @config: (transfer full): a #GstStructure
*
* Set @config as extra configuraion for @convert.
*
* If the parameters in @config can not be set exactly, this function returns
* %FALSE and will try to update as much state as possible. The new state can
* then be retrieved and refined with gst_video_converter_get_config().
*
* The config is a GstStructure that can contain the the following fields:
*
* "dither" GST_TYPE_VIDEO_DITHER_METHOD The dithering used when reducing
* colors
*
* Returns: %TRUE when @config could be set.
*
* Since: 1.6
*/
gboolean
gst_video_converter_set_config (GstVideoConverter * convert,
GstStructure * config)
{
gint dither;
gboolean res = TRUE;
g_return_val_if_fail (convert != NULL, FALSE);
g_return_val_if_fail (config != NULL, FALSE);
if (gst_structure_get_enum (config, GST_VIDEO_CONVERTER_OPT_DITHER_METHOD,
GST_TYPE_VIDEO_DITHER_METHOD, &dither)) {
gboolean update = TRUE;
switch (dither) {
case GST_VIDEO_DITHER_NONE:
convert->dither16 = NULL;
break;
case GST_VIDEO_DITHER_VERTERR:
convert->dither16 = video_dither_verterr;
break;
case GST_VIDEO_DITHER_HALFTONE:
convert->dither16 = video_dither_halftone;
break;
default:
update = FALSE;
break;
}
if (update)
gst_structure_set (convert->config, GST_VIDEO_CONVERTER_OPT_DITHER_METHOD,
GST_TYPE_VIDEO_DITHER_METHOD, dither, NULL);
else
res = FALSE;
}
if (res)
gst_structure_foreach (config, copy_config, convert);
gst_structure_free (config);
return res;
}
/**
* gst_video_converter_get_config:
* @@convert: a #GstVideoConverter
*
* Get the current configuration of @convert.
*
* Returns: a #GstStructure that remains valid for as long as @convert is valid
* or until gst_video_converter_set_config() is called.
*/
const GstStructure *
gst_video_converter_get_config (GstVideoConverter * convert)
{
g_return_val_if_fail (convert != NULL, NULL);
return convert->config;
}
/**
* gst_video_converter_frame:
* @convert: a #GstVideoConverter
* @dest: a #GstVideoFrame
* @src: a #GstVideoFrame
*
* Convert the pixels of @src into @dest using @convert.
*
* Since: 1.6
*/
void
gst_video_converter_frame (GstVideoConverter * convert,
const GstVideoFrame * src, GstVideoFrame * dest)
{
g_return_if_fail (convert != NULL);
g_return_if_fail (src != NULL);
g_return_if_fail (dest != NULL);
convert->convert (convert, src, dest);
}
#define SCALE (8)
#define SCALE_F ((float) (1 << SCALE))
static void
video_converter_matrix8 (GstVideoConverter * convert, gpointer pixels)
{
gint width = MIN (convert->in_width, convert->out_width);
#if 1
video_orc_matrix8 (pixels, pixels, convert->orc_p1, convert->orc_p2,
convert->orc_p3, width);
#elif 0
/* FIXME we would like to set this as a backup function, it's faster than the
* orc generated one */
int i;
int r, g, b;
int y, u, v;
guint8 *p = pixels;
for (i = 0; i < convert->in_width; i++) {
r = p[i * 4 + 1];
g = p[i * 4 + 2];
b = p[i * 4 + 3];
y = (convert->cmatrix[0][0] * r + convert->cmatrix[0][1] * g +
convert->cmatrix[0][2] * b + convert->cmatrix[0][3]) >> SCALE;
u = (convert->cmatrix[1][0] * r + convert->cmatrix[1][1] * g +
convert->cmatrix[1][2] * b + convert->cmatrix[1][3]) >> SCALE;
v = (convert->cmatrix[2][0] * r + convert->cmatrix[2][1] * g +
convert->cmatrix[2][2] * b + convert->cmatrix[2][3]) >> SCALE;
p[i * 4 + 1] = CLAMP (y, 0, 255);
p[i * 4 + 2] = CLAMP (u, 0, 255);
p[i * 4 + 3] = CLAMP (v, 0, 255);
}
#endif
}
static void
video_converter_matrix8_AYUV_ARGB (GstVideoConverter * convert, gpointer pixels)
{
video_orc_convert_AYUV_ARGB (pixels, 0, pixels, 0,
convert->cmatrix[0][0], convert->cmatrix[0][2],
convert->cmatrix[2][1], convert->cmatrix[1][1], convert->cmatrix[1][2],
convert->in_width, 1);
}
static void
video_converter_matrix16 (GstVideoConverter * convert, gpointer pixels)
{
int i;
int r, g, b;
int y, u, v;
guint16 *p = pixels;
for (i = 0; i < convert->in_width; i++) {
r = p[i * 4 + 1];
g = p[i * 4 + 2];
b = p[i * 4 + 3];
y = (convert->cmatrix[0][0] * r + convert->cmatrix[0][1] * g +
convert->cmatrix[0][2] * b + convert->cmatrix[0][3]) >> SCALE;
u = (convert->cmatrix[1][0] * r + convert->cmatrix[1][1] * g +
convert->cmatrix[1][2] * b + convert->cmatrix[1][3]) >> SCALE;
v = (convert->cmatrix[2][0] * r + convert->cmatrix[2][1] * g +
convert->cmatrix[2][2] * b + convert->cmatrix[2][3]) >> SCALE;
p[i * 4 + 1] = CLAMP (y, 0, 65535);
p[i * 4 + 2] = CLAMP (u, 0, 65535);
p[i * 4 + 3] = CLAMP (v, 0, 65535);
}
}
typedef struct
{
double m[4][4];
} ColorMatrix;
static void
color_matrix_set_identity (ColorMatrix * m)
{
int i, j;
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) {
m->m[i][j] = (i == j);
}
}
}
/* Perform 4x4 matrix multiplication:
* - @dst@ = @a@ * @b@
* - @dst@ may be a pointer to @a@ andor @b@
*/
static void
color_matrix_multiply (ColorMatrix * dst, ColorMatrix * a, ColorMatrix * b)
{
ColorMatrix tmp;
int i, j, k;
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) {
double x = 0;
for (k = 0; k < 4; k++) {
x += a->m[i][k] * b->m[k][j];
}
tmp.m[i][j] = x;
}
}
memcpy (dst, &tmp, sizeof (ColorMatrix));
}
static void
color_matrix_offset_components (ColorMatrix * m, double a1, double a2,
double a3)
{
ColorMatrix a;
color_matrix_set_identity (&a);
a.m[0][3] = a1;
a.m[1][3] = a2;
a.m[2][3] = a3;
color_matrix_multiply (m, &a, m);
}
static void
color_matrix_scale_components (ColorMatrix * m, double a1, double a2, double a3)
{
ColorMatrix a;
color_matrix_set_identity (&a);
a.m[0][0] = a1;
a.m[1][1] = a2;
a.m[2][2] = a3;
color_matrix_multiply (m, &a, m);
}
static void
color_matrix_YCbCr_to_RGB (ColorMatrix * m, double Kr, double Kb)
{
double Kg = 1.0 - Kr - Kb;
ColorMatrix k = {
{
{1., 0., 2 * (1 - Kr), 0.},
{1., -2 * Kb * (1 - Kb) / Kg, -2 * Kr * (1 - Kr) / Kg, 0.},
{1., 2 * (1 - Kb), 0., 0.},
{0., 0., 0., 1.},
}
};
color_matrix_multiply (m, &k, m);
}
static void
color_matrix_RGB_to_YCbCr (ColorMatrix * m, double Kr, double Kb)
{
double Kg = 1.0 - Kr - Kb;
ColorMatrix k;
double x;
k.m[0][0] = Kr;
k.m[0][1] = Kg;
k.m[0][2] = Kb;
k.m[0][3] = 0;
x = 1 / (2 * (1 - Kb));
k.m[1][0] = -x * Kr;
k.m[1][1] = -x * Kg;
k.m[1][2] = x * (1 - Kb);
k.m[1][3] = 0;
x = 1 / (2 * (1 - Kr));
k.m[2][0] = x * (1 - Kr);
k.m[2][1] = -x * Kg;
k.m[2][2] = -x * Kb;
k.m[2][3] = 0;
k.m[3][0] = 0;
k.m[3][1] = 0;
k.m[3][2] = 0;
k.m[3][3] = 1;
color_matrix_multiply (m, &k, m);
}
static void
video_converter_compute_matrix (GstVideoConverter * convert)
{
GstVideoInfo *in_info, *out_info;
ColorMatrix dst;
gint i, j;
const GstVideoFormatInfo *sfinfo, *dfinfo;
const GstVideoFormatInfo *suinfo, *duinfo;
gint offset[4], scale[4];
gdouble Kr = 0, Kb = 0;
in_info = &convert->in_info;
out_info = &convert->out_info;
sfinfo = in_info->finfo;
dfinfo = out_info->finfo;
suinfo = gst_video_format_get_info (sfinfo->unpack_format);
duinfo = gst_video_format_get_info (dfinfo->unpack_format);
convert->in_bits = GST_VIDEO_FORMAT_INFO_DEPTH (suinfo, 0);
convert->out_bits = GST_VIDEO_FORMAT_INFO_DEPTH (duinfo, 0);
GST_DEBUG ("in bits %d, out bits %d", convert->in_bits, convert->out_bits);
if (in_info->colorimetry.range == out_info->colorimetry.range &&
in_info->colorimetry.matrix == out_info->colorimetry.matrix) {
GST_DEBUG ("using identity color transform");
convert->matrix = NULL;
return;
}
/* calculate intermediate format for the matrix. When unpacking, we expand
* input to 16 when one of the inputs is 16 bits */
if (convert->in_bits == 16 || convert->out_bits == 16) {
convert->matrix = video_converter_matrix16;
if (GST_VIDEO_FORMAT_INFO_IS_RGB (suinfo))
suinfo = gst_video_format_get_info (GST_VIDEO_FORMAT_ARGB64);
else
suinfo = gst_video_format_get_info (GST_VIDEO_FORMAT_AYUV64);
if (GST_VIDEO_FORMAT_INFO_IS_RGB (duinfo))
duinfo = gst_video_format_get_info (GST_VIDEO_FORMAT_ARGB64);
else
duinfo = gst_video_format_get_info (GST_VIDEO_FORMAT_AYUV64);
} else {
if (GST_VIDEO_FORMAT_INFO_IS_YUV (suinfo)
&& GST_VIDEO_FORMAT_INFO_IS_RGB (duinfo))
convert->matrix = video_converter_matrix8_AYUV_ARGB;
else
convert->matrix = video_converter_matrix8;
}
color_matrix_set_identity (&dst);
/* 1, bring color components to [0..1.0] range */
gst_video_color_range_offsets (in_info->colorimetry.range, suinfo, offset,
scale);
color_matrix_offset_components (&dst, -offset[0], -offset[1], -offset[2]);
color_matrix_scale_components (&dst, 1 / ((float) scale[0]),
1 / ((float) scale[1]), 1 / ((float) scale[2]));
/* 2. bring components to R'G'B' space */
if (gst_video_color_matrix_get_Kr_Kb (in_info->colorimetry.matrix, &Kr, &Kb))
color_matrix_YCbCr_to_RGB (&dst, Kr, Kb);
/* 3. inverse transfer function. R'G'B' to linear RGB */
/* 4. from RGB to XYZ using the primaries */
/* 5. from XYZ to RGB using the primaries */
/* 6. transfer function. linear RGB to R'G'B' */
/* 7. bring components to YCbCr space */
if (gst_video_color_matrix_get_Kr_Kb (out_info->colorimetry.matrix, &Kr, &Kb))
color_matrix_RGB_to_YCbCr (&dst, Kr, Kb);
/* 8, bring color components to nominal range */
gst_video_color_range_offsets (out_info->colorimetry.range, duinfo, offset,
scale);
color_matrix_scale_components (&dst, (float) scale[0], (float) scale[1],
(float) scale[2]);
color_matrix_offset_components (&dst, offset[0], offset[1], offset[2]);
/* because we're doing fixed point matrix coefficients */
color_matrix_scale_components (&dst, SCALE_F, SCALE_F, SCALE_F);
for (i = 0; i < 4; i++)
for (j = 0; j < 4; j++)
convert->cmatrix[i][j] = rint (dst.m[i][j]);
GST_DEBUG ("[%6d %6d %6d %6d]", convert->cmatrix[0][0],
convert->cmatrix[0][1], convert->cmatrix[0][2], convert->cmatrix[0][3]);
GST_DEBUG ("[%6d %6d %6d %6d]", convert->cmatrix[1][0],
convert->cmatrix[1][1], convert->cmatrix[1][2], convert->cmatrix[1][3]);
GST_DEBUG ("[%6d %6d %6d %6d]", convert->cmatrix[2][0],
convert->cmatrix[2][1], convert->cmatrix[2][2], convert->cmatrix[2][3]);
GST_DEBUG ("[%6d %6d %6d %6d]", convert->cmatrix[3][0],
convert->cmatrix[3][1], convert->cmatrix[3][2], convert->cmatrix[3][3]);
convert->orc_p1 = (((guint64) (guint16) convert->cmatrix[2][0]) << 48) |
(((guint64) (guint16) convert->cmatrix[1][0]) << 32) |
(((guint64) (guint16) convert->cmatrix[0][0]) << 16);
convert->orc_p2 = (((guint64) (guint16) convert->cmatrix[2][1]) << 48) |
(((guint64) (guint16) convert->cmatrix[1][1]) << 32) |
(((guint64) (guint16) convert->cmatrix[0][1]) << 16);
convert->orc_p3 = (((guint64) (guint16) convert->cmatrix[2][2]) << 48) |
(((guint64) (guint16) convert->cmatrix[1][2]) << 32) |
(((guint64) (guint16) convert->cmatrix[0][2]) << 16);
}
static void
video_converter_compute_resample (GstVideoConverter * convert)
{
GstVideoInfo *in_info, *out_info;
const GstVideoFormatInfo *sfinfo, *dfinfo;
in_info = &convert->in_info;
out_info = &convert->out_info;
sfinfo = in_info->finfo;
dfinfo = out_info->finfo;
if (sfinfo->w_sub[2] != dfinfo->w_sub[2] ||
sfinfo->h_sub[2] != dfinfo->h_sub[2] ||
in_info->chroma_site != out_info->chroma_site ||
in_info->width != out_info->width ||
in_info->height != out_info->height) {
GstVideoChromaFlags flags = (GST_VIDEO_INFO_IS_INTERLACED (in_info) ?
GST_VIDEO_CHROMA_FLAG_INTERLACED : 0);
convert->upsample = gst_video_chroma_resample_new (0,
in_info->chroma_site, flags, sfinfo->unpack_format, sfinfo->w_sub[2],
sfinfo->h_sub[2]);
convert->downsample = gst_video_chroma_resample_new (0,
out_info->chroma_site, flags, dfinfo->unpack_format, -dfinfo->w_sub[2],
-dfinfo->h_sub[2]);
} else {
convert->upsample = NULL;
convert->downsample = NULL;
}
if (convert->upsample) {
gst_video_chroma_resample_get_info (convert->upsample,
&convert->up_n_lines, &convert->up_offset);
} else {
convert->up_n_lines = 1;
convert->up_offset = 0;
}
if (convert->downsample) {
gst_video_chroma_resample_get_info (convert->downsample,
&convert->down_n_lines, &convert->down_offset);
} else {
convert->down_n_lines = 1;
convert->down_offset = 0;
}
GST_DEBUG ("upsample: %p, site: %d, offset %d, n_lines %d", convert->upsample,
in_info->chroma_site, convert->up_offset, convert->up_n_lines);
GST_DEBUG ("downsample: %p, site: %d, offset %d, n_lines %d",
convert->downsample, out_info->chroma_site, convert->down_offset,
convert->down_n_lines);
}
#define TO_16(x) (((x)<<8) | (x))
static void
convert_to16 (gpointer line, gint width)
{
guint8 *line8 = line;
guint16 *line16 = line;
gint i;
for (i = (width - 1) * 4; i >= 0; i--)
line16[i] = TO_16 (line8[i]);
}
static void
convert_to8 (gpointer line, gint width)
{
guint8 *line8 = line;
guint16 *line16 = line;
gint i;
for (i = 0; i < width * 4; i++)
line8[i] = line16[i] >> 8;
}
#define FRAME_GET_PLANE_STRIDE(frame, plane) \
GST_VIDEO_FRAME_PLANE_STRIDE (frame, plane)
#define FRAME_GET_PLANE_LINE(frame, plane, line) \
(gpointer)(((guint8*)(GST_VIDEO_FRAME_PLANE_DATA (frame, plane))) + \
FRAME_GET_PLANE_STRIDE (frame, plane) * (line))
#define FRAME_GET_COMP_STRIDE(frame, comp) \
GST_VIDEO_FRAME_COMP_STRIDE (frame, comp)
#define FRAME_GET_COMP_LINE(frame, comp, line) \
(gpointer)(((guint8*)(GST_VIDEO_FRAME_COMP_DATA (frame, comp))) + \
FRAME_GET_COMP_STRIDE (frame, comp) * (line))
#define FRAME_GET_STRIDE(frame) FRAME_GET_PLANE_STRIDE (frame, 0)
#define FRAME_GET_LINE(frame,line) FRAME_GET_PLANE_LINE (frame, 0, line)
#define FRAME_GET_Y_LINE(frame,line) FRAME_GET_COMP_LINE(frame, GST_VIDEO_COMP_Y, line)
#define FRAME_GET_U_LINE(frame,line) FRAME_GET_COMP_LINE(frame, GST_VIDEO_COMP_U, line)
#define FRAME_GET_V_LINE(frame,line) FRAME_GET_COMP_LINE(frame, GST_VIDEO_COMP_V, line)
#define FRAME_GET_A_LINE(frame,line) FRAME_GET_COMP_LINE(frame, GST_VIDEO_COMP_A, line)
#define FRAME_GET_Y_STRIDE(frame) FRAME_GET_COMP_STRIDE(frame, GST_VIDEO_COMP_Y)
#define FRAME_GET_U_STRIDE(frame) FRAME_GET_COMP_STRIDE(frame, GST_VIDEO_COMP_U)
#define FRAME_GET_V_STRIDE(frame) FRAME_GET_COMP_STRIDE(frame, GST_VIDEO_COMP_V)
#define FRAME_GET_A_STRIDE(frame) FRAME_GET_COMP_STRIDE(frame, GST_VIDEO_COMP_A)
#define UNPACK_FRAME(frame,dest,line,x,width) \
frame->info.finfo->unpack_func (frame->info.finfo, \
(GST_VIDEO_FRAME_IS_INTERLACED (frame) ? \
GST_VIDEO_PACK_FLAG_INTERLACED : \
GST_VIDEO_PACK_FLAG_NONE), \
dest, frame->data, frame->info.stride, x, \
line, width)
#define PACK_FRAME(frame,src,line,width) \
frame->info.finfo->pack_func (frame->info.finfo, \
(GST_VIDEO_FRAME_IS_INTERLACED (frame) ? \
GST_VIDEO_PACK_FLAG_INTERLACED : \
GST_VIDEO_PACK_FLAG_NONE), \
src, 0, frame->data, frame->info.stride, \
frame->info.chroma_site, line, width);
static gpointer
get_dest_line (GstLineCache * cache, gint idx, gpointer user_data)
{
GstVideoConverter *convert = user_data;
guint8 *line;
gint pstride = convert->pack_pstride;
gint out_x = convert->out_x;
GST_DEBUG ("get dest line %d", idx);
line = FRAME_GET_LINE (convert->dest, idx);
if (convert->borderline) {
gint r_border = (out_x + convert->out_width) * pstride;
gint rb_width = convert->out_maxwidth * pstride - r_border;
gint lb_width = out_x * pstride;
memcpy (line, convert->borderline, lb_width);
memcpy (line + r_border, convert->borderline, rb_width);
}
line += out_x * pstride;
return line;
}
static gboolean
do_unpack_lines (GstLineCache * cache, gint out_line, gint in_line,
gpointer user_data)
{
GstVideoConverter *convert = user_data;
gpointer tmpline;
guint cline;
cline = CLAMP (in_line + convert->in_y, 0, convert->in_maxheight - 1);
if (cache->alloc_writable || !convert->identity_unpack) {
tmpline = gst_line_cache_alloc_line (cache, out_line);
GST_DEBUG ("unpack line %d (%u) %p", in_line, cline, tmpline);
UNPACK_FRAME (convert->src, tmpline, cline, convert->in_x,
convert->in_width);
} else {
GST_DEBUG ("get src line %d (%u)", in_line, cline);
tmpline = FRAME_GET_LINE (convert->src, cline);
}
gst_line_cache_add_line (cache, in_line, tmpline);
return TRUE;
}
static gboolean
do_upsample_lines (GstLineCache * cache, gint out_line, gint in_line,
gpointer user_data)
{
GstVideoConverter *convert = user_data;
gpointer *lines;
gint i, start_line, n_lines;
n_lines = convert->up_n_lines;
start_line = in_line;
if (start_line < n_lines + convert->up_offset)
start_line += convert->up_offset;
/* get the lines needed for chroma upsample */
lines = gst_line_cache_get_lines (cache->prev, out_line, start_line, n_lines);
GST_DEBUG ("doing upsample %d-%d", start_line, start_line + n_lines - 1);
gst_video_chroma_resample (convert->upsample, lines, convert->in_width);
for (i = 0; i < n_lines; i++)
gst_line_cache_add_line (cache, start_line + i, lines[i]);
return TRUE;
}
static gboolean
do_hscale_lines (GstLineCache * cache, gint out_line, gint in_line,
gpointer user_data)
{
GstVideoConverter *convert = user_data;
gpointer *lines, destline;
lines = gst_line_cache_get_lines (cache->prev, out_line, in_line, 1);
destline = gst_line_cache_alloc_line (cache, out_line);
GST_DEBUG ("hresample line %d", in_line);
gst_video_scaler_horizontal (convert->h_scaler, convert->h_scale_format,
lines[0], destline, 0, convert->out_width);
gst_line_cache_add_line (cache, in_line, destline);
return TRUE;
}
static gboolean
do_vscale_lines (GstLineCache * cache, gint out_line, gint in_line,
gpointer user_data)
{
GstVideoConverter *convert = user_data;
gpointer *lines, destline;
guint sline, n_lines;
guint cline;
cline = CLAMP (in_line, 0, convert->out_height - 1);
gst_video_scaler_get_coeff (convert->v_scaler, cline, &sline, &n_lines);
lines = gst_line_cache_get_lines (cache->prev, out_line, sline, n_lines);
destline = gst_line_cache_alloc_line (cache, out_line);
GST_DEBUG ("vresample line %d %d-%d", in_line, sline, sline + n_lines - 1);
gst_video_scaler_vertical (convert->v_scaler, convert->v_scale_format,
lines, destline, cline, convert->v_scale_width);
gst_line_cache_add_line (cache, in_line, destline);
return TRUE;
}
static gboolean
do_convert_lines (GstLineCache * cache, gint out_line, gint in_line,
gpointer user_data)
{
GstVideoConverter *convert = user_data;
gpointer *lines;
guint in_bits, out_bits;
gint width;
lines = gst_line_cache_get_lines (cache->prev, out_line, in_line, 1);
in_bits = convert->in_bits;
out_bits = convert->out_bits;
width = MIN (convert->in_width, convert->out_width);
GST_DEBUG ("convert line %d", in_line);
if (out_bits == 16 || in_bits == 16) {
/* FIXME, we can scale in the conversion matrix */
if (in_bits == 8)
convert_to16 (lines[0], width);
if (convert->matrix)
convert->matrix (convert, lines[0]);
if (convert->dither16)
convert->dither16 (convert, lines[0], in_line);
if (out_bits == 8)
convert_to8 (lines[0], width);
} else {
if (convert->matrix)
convert->matrix (convert, lines[0]);
}
gst_line_cache_add_line (cache, in_line, lines[0]);
return TRUE;
}
static gboolean
do_downsample_lines (GstLineCache * cache, gint out_line, gint in_line,
gpointer user_data)
{
GstVideoConverter *convert = user_data;
gpointer *lines;
gint i, start_line, n_lines;
n_lines = convert->down_n_lines;
start_line = in_line;
if (start_line < n_lines + convert->down_offset)
start_line += convert->down_offset;
/* get the lines needed for chroma downsample */
lines = gst_line_cache_get_lines (cache->prev, out_line, start_line, n_lines);
GST_DEBUG ("downsample line %d %d-%d", in_line, start_line,
start_line + n_lines - 1);
gst_video_chroma_resample (convert->downsample, lines, convert->out_width);
for (i = 0; i < n_lines; i++)
gst_line_cache_add_line (cache, start_line + i, lines[i]);
return TRUE;
}
static void
video_converter_generic (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint i;
gint out_maxwidth, out_maxheight;
gint out_x, out_y, out_height;
gint pack_lines, pstride;
gint lb_width;
out_height = convert->out_height;
out_maxwidth = convert->out_maxwidth;
out_maxheight = convert->out_maxheight;
out_x = convert->out_x;
out_y = convert->out_y;
convert->src = src;
convert->dest = dest;
pack_lines = convert->lines; /* only 1 for now */
pstride = convert->pack_pstride;
lb_width = out_x * pstride;
if (convert->borderline) {
/* FIXME we should try to avoid PACK_FRAME */
for (i = 0; i < out_y; i++)
PACK_FRAME (dest, convert->borderline, i, out_maxwidth);
}
for (i = 0; i < out_height; i += pack_lines) {
gpointer *lines;
/* load the lines needed to pack */
lines = gst_line_cache_get_lines (convert->pack_lines, i + out_y,
i, pack_lines);
if (!convert->identity_pack) {
/* take away the border */
guint8 *l = ((guint8 *) lines[0]) - lb_width;
/* and pack into destination */
GST_DEBUG ("pack line %d", i + out_y);
PACK_FRAME (dest, l, i + out_y, out_maxwidth);
}
}
if (convert->borderline) {
for (i = out_y + out_height; i < out_maxheight; i++)
PACK_FRAME (dest, convert->borderline, i, out_maxwidth);
}
}
/* Fast paths */
#define GET_LINE_OFFSETS(interlaced,line,l1,l2) \
if (interlaced) { \
l1 = (line & 2 ? line - 1 : line); \
l2 = l1 + 2; \
} else { \
l1 = line; \
l2 = l1 + 1; \
}
static void
convert_I420_YUY2 (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
int i;
gint width = convert->in_width;
gint height = convert->in_height;
gboolean interlaced = GST_VIDEO_FRAME_IS_INTERLACED (src);
gint l1, l2;
for (i = 0; i < GST_ROUND_DOWN_2 (height); i += 2) {
GET_LINE_OFFSETS (interlaced, i, l1, l2);
video_orc_convert_I420_YUY2 (FRAME_GET_LINE (dest, l1),
FRAME_GET_LINE (dest, l2),
FRAME_GET_Y_LINE (src, l1),
FRAME_GET_Y_LINE (src, l2),
FRAME_GET_U_LINE (src, i >> 1),
FRAME_GET_V_LINE (src, i >> 1), (width + 1) / 2);
}
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmplines[0], height - 1, convert->in_x, width);
PACK_FRAME (dest, convert->tmplines[0], height - 1, width);
}
}
static void
convert_I420_UYVY (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
int i;
gint width = convert->in_width;
gint height = convert->in_height;
gboolean interlaced = GST_VIDEO_FRAME_IS_INTERLACED (src);
gint l1, l2;
for (i = 0; i < GST_ROUND_DOWN_2 (height); i += 2) {
GET_LINE_OFFSETS (interlaced, i, l1, l2);
video_orc_convert_I420_UYVY (FRAME_GET_LINE (dest, l1),
FRAME_GET_LINE (dest, l2),
FRAME_GET_Y_LINE (src, l1),
FRAME_GET_Y_LINE (src, l2),
FRAME_GET_U_LINE (src, i >> 1),
FRAME_GET_V_LINE (src, i >> 1), (width + 1) / 2);
}
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmplines[0], height - 1, convert->in_x, width);
PACK_FRAME (dest, convert->tmplines[0], height - 1, width);
}
}
static void
convert_I420_AYUV (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
int i;
gint width = convert->in_width;
gint height = convert->in_height;
gboolean interlaced = GST_VIDEO_FRAME_IS_INTERLACED (src);
gint l1, l2;
for (i = 0; i < GST_ROUND_DOWN_2 (height); i += 2) {
GET_LINE_OFFSETS (interlaced, i, l1, l2);
video_orc_convert_I420_AYUV (FRAME_GET_LINE (dest, l1),
FRAME_GET_LINE (dest, l2),
FRAME_GET_Y_LINE (src, l1),
FRAME_GET_Y_LINE (src, l2),
FRAME_GET_U_LINE (src, i >> 1), FRAME_GET_V_LINE (src, i >> 1), width);
}
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmplines[0], height - 1, convert->in_x, width);
PACK_FRAME (dest, convert->tmplines[0], height - 1, width);
}
}
static void
convert_I420_Y42B (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_memcpy_2d (FRAME_GET_Y_LINE (dest, 0),
FRAME_GET_Y_STRIDE (dest), FRAME_GET_Y_LINE (src, 0),
FRAME_GET_Y_STRIDE (src), width, height);
video_orc_planar_chroma_420_422 (FRAME_GET_U_LINE (dest, 0),
2 * FRAME_GET_U_STRIDE (dest), FRAME_GET_U_LINE (dest, 1),
2 * FRAME_GET_U_STRIDE (dest), FRAME_GET_U_LINE (src, 0),
FRAME_GET_U_STRIDE (src), (width + 1) / 2, height / 2);
video_orc_planar_chroma_420_422 (FRAME_GET_V_LINE (dest, 0),
2 * FRAME_GET_V_STRIDE (dest), FRAME_GET_V_LINE (dest, 1),
2 * FRAME_GET_V_STRIDE (dest), FRAME_GET_V_LINE (src, 0),
FRAME_GET_V_STRIDE (src), (width + 1) / 2, height / 2);
}
static void
convert_I420_Y444 (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_memcpy_2d (FRAME_GET_Y_LINE (dest, 0),
FRAME_GET_Y_STRIDE (dest), FRAME_GET_Y_LINE (src, 0),
FRAME_GET_Y_STRIDE (src), width, height);
video_orc_planar_chroma_420_444 (FRAME_GET_U_LINE (dest, 0),
2 * FRAME_GET_U_STRIDE (dest), FRAME_GET_U_LINE (dest, 1),
2 * FRAME_GET_U_STRIDE (dest), FRAME_GET_U_LINE (src, 0),
FRAME_GET_U_STRIDE (src), (width + 1) / 2, height / 2);
video_orc_planar_chroma_420_444 (FRAME_GET_V_LINE (dest, 0),
2 * FRAME_GET_V_STRIDE (dest), FRAME_GET_V_LINE (dest, 1),
2 * FRAME_GET_V_STRIDE (dest), FRAME_GET_V_LINE (src, 0),
FRAME_GET_V_STRIDE (src), (width + 1) / 2, height / 2);
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmplines[0], height - 1, convert->in_x, width);
PACK_FRAME (dest, convert->tmplines[0], height - 1, width);
}
}
static void
convert_YUY2_I420 (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
int i;
gint width = convert->in_width;
gint height = convert->in_height;
gboolean interlaced = GST_VIDEO_FRAME_IS_INTERLACED (src);
gint l1, l2;
for (i = 0; i < GST_ROUND_DOWN_2 (height); i += 2) {
GET_LINE_OFFSETS (interlaced, i, l1, l2);
video_orc_convert_YUY2_I420 (FRAME_GET_Y_LINE (dest, l1),
FRAME_GET_Y_LINE (dest, l2),
FRAME_GET_U_LINE (dest, i >> 1),
FRAME_GET_V_LINE (dest, i >> 1),
FRAME_GET_LINE (src, l1), FRAME_GET_LINE (src, l2), (width + 1) / 2);
}
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmplines[0], height - 1, convert->in_x, width);
PACK_FRAME (dest, convert->tmplines[0], height - 1, width);
}
}
static void
convert_YUY2_AYUV (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_convert_YUY2_AYUV (FRAME_GET_LINE (dest, 0),
FRAME_GET_STRIDE (dest), FRAME_GET_LINE (src, 0),
FRAME_GET_STRIDE (src), (width + 1) / 2, height);
}
static void
convert_YUY2_Y42B (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_convert_YUY2_Y42B (FRAME_GET_Y_LINE (dest, 0),
FRAME_GET_Y_STRIDE (dest), FRAME_GET_U_LINE (dest, 0),
FRAME_GET_U_STRIDE (dest), FRAME_GET_V_LINE (dest, 0),
FRAME_GET_V_STRIDE (dest), FRAME_GET_LINE (src, 0),
FRAME_GET_STRIDE (src), (width + 1) / 2, height);
}
static void
convert_YUY2_Y444 (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_convert_YUY2_Y444 (FRAME_GET_COMP_LINE (dest, 0, 0),
FRAME_GET_COMP_STRIDE (dest, 0), FRAME_GET_COMP_LINE (dest, 1, 0),
FRAME_GET_COMP_STRIDE (dest, 1), FRAME_GET_COMP_LINE (dest, 2, 0),
FRAME_GET_COMP_STRIDE (dest, 2), FRAME_GET_LINE (src, 0),
FRAME_GET_STRIDE (src), (width + 1) / 2, height);
}
static void
convert_UYVY_I420 (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
int i;
gint width = convert->in_width;
gint height = convert->in_height;
gboolean interlaced = GST_VIDEO_FRAME_IS_INTERLACED (src);
gint l1, l2;
for (i = 0; i < GST_ROUND_DOWN_2 (height); i += 2) {
GET_LINE_OFFSETS (interlaced, i, l1, l2);
video_orc_convert_UYVY_I420 (FRAME_GET_COMP_LINE (dest, 0, l1),
FRAME_GET_COMP_LINE (dest, 0, l2),
FRAME_GET_COMP_LINE (dest, 1, i >> 1),
FRAME_GET_COMP_LINE (dest, 2, i >> 1),
FRAME_GET_LINE (src, l1), FRAME_GET_LINE (src, l2), (width + 1) / 2);
}
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmplines[0], height - 1, convert->in_x, width);
PACK_FRAME (dest, convert->tmplines[0], height - 1, width);
}
}
static void
convert_UYVY_AYUV (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_convert_UYVY_AYUV (FRAME_GET_LINE (dest, 0),
FRAME_GET_STRIDE (dest), FRAME_GET_LINE (src, 0),
FRAME_GET_STRIDE (src), (width + 1) / 2, height);
}
static void
convert_UYVY_YUY2 (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_convert_UYVY_YUY2 (FRAME_GET_LINE (dest, 0),
FRAME_GET_STRIDE (dest), FRAME_GET_LINE (src, 0),
FRAME_GET_STRIDE (src), (width + 1) / 2, height);
}
static void
convert_UYVY_Y42B (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_convert_UYVY_Y42B (FRAME_GET_Y_LINE (dest, 0),
FRAME_GET_Y_STRIDE (dest), FRAME_GET_U_LINE (dest, 0),
FRAME_GET_U_STRIDE (dest), FRAME_GET_V_LINE (dest, 0),
FRAME_GET_V_STRIDE (dest), FRAME_GET_LINE (src, 0),
FRAME_GET_STRIDE (src), (width + 1) / 2, height);
}
static void
convert_UYVY_Y444 (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_convert_UYVY_Y444 (FRAME_GET_Y_LINE (dest, 0),
FRAME_GET_Y_STRIDE (dest), FRAME_GET_U_LINE (dest, 0),
FRAME_GET_U_STRIDE (dest), FRAME_GET_V_LINE (dest, 0),
FRAME_GET_V_STRIDE (dest), FRAME_GET_LINE (src, 0),
FRAME_GET_STRIDE (src), (width + 1) / 2, height);
}
static void
convert_AYUV_I420 (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
/* only for even width/height */
video_orc_convert_AYUV_I420 (FRAME_GET_Y_LINE (dest, 0),
2 * FRAME_GET_Y_STRIDE (dest), FRAME_GET_Y_LINE (dest, 1),
2 * FRAME_GET_Y_STRIDE (dest), FRAME_GET_U_LINE (dest, 0),
FRAME_GET_U_STRIDE (dest), FRAME_GET_V_LINE (dest, 0),
FRAME_GET_V_STRIDE (dest), FRAME_GET_LINE (src, 0),
2 * FRAME_GET_STRIDE (src), FRAME_GET_LINE (src, 1),
2 * FRAME_GET_STRIDE (src), width / 2, height / 2);
}
static void
convert_AYUV_YUY2 (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
/* only for even width */
video_orc_convert_AYUV_YUY2 (FRAME_GET_LINE (dest, 0),
FRAME_GET_STRIDE (dest), FRAME_GET_LINE (src, 0),
FRAME_GET_STRIDE (src), width / 2, height);
}
static void
convert_AYUV_UYVY (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
/* only for even width */
video_orc_convert_AYUV_UYVY (FRAME_GET_LINE (dest, 0),
FRAME_GET_STRIDE (dest), FRAME_GET_LINE (src, 0),
FRAME_GET_STRIDE (src), width / 2, height);
}
static void
convert_AYUV_Y42B (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
/* only works for even width */
video_orc_convert_AYUV_Y42B (FRAME_GET_Y_LINE (dest, 0),
FRAME_GET_Y_STRIDE (dest), FRAME_GET_U_LINE (dest, 0),
FRAME_GET_U_STRIDE (dest), FRAME_GET_V_LINE (dest, 0),
FRAME_GET_V_STRIDE (dest), FRAME_GET_LINE (src, 0),
FRAME_GET_STRIDE (src), width / 2, height);
}
static void
convert_AYUV_Y444 (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_convert_AYUV_Y444 (FRAME_GET_Y_LINE (dest, 0),
FRAME_GET_Y_STRIDE (dest), FRAME_GET_U_LINE (dest, 0),
FRAME_GET_U_STRIDE (dest), FRAME_GET_V_LINE (dest, 0),
FRAME_GET_V_STRIDE (dest), FRAME_GET_LINE (src, 0),
FRAME_GET_STRIDE (src), width, height);
}
static void
convert_Y42B_I420 (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_memcpy_2d (FRAME_GET_Y_LINE (dest, 0),
FRAME_GET_Y_STRIDE (dest), FRAME_GET_Y_LINE (src, 0),
FRAME_GET_Y_STRIDE (src), width, height);
video_orc_planar_chroma_422_420 (FRAME_GET_U_LINE (dest, 0),
FRAME_GET_U_STRIDE (dest), FRAME_GET_U_LINE (src, 0),
2 * FRAME_GET_U_STRIDE (src), FRAME_GET_U_LINE (src, 1),
2 * FRAME_GET_U_STRIDE (src), (width + 1) / 2, height / 2);
video_orc_planar_chroma_422_420 (FRAME_GET_V_LINE (dest, 0),
FRAME_GET_V_STRIDE (dest), FRAME_GET_V_LINE (src, 0),
2 * FRAME_GET_V_STRIDE (src), FRAME_GET_V_LINE (src, 1),
2 * FRAME_GET_V_STRIDE (src), (width + 1) / 2, height / 2);
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmplines[0], height - 1, convert->in_x, width);
PACK_FRAME (dest, convert->tmplines[0], height - 1, width);
}
}
static void
convert_Y42B_Y444 (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_memcpy_2d (FRAME_GET_Y_LINE (dest, 0),
FRAME_GET_Y_STRIDE (dest), FRAME_GET_Y_LINE (src, 0),
FRAME_GET_Y_STRIDE (src), width, height);
video_orc_planar_chroma_422_444 (FRAME_GET_U_LINE (dest, 0),
FRAME_GET_U_STRIDE (dest), FRAME_GET_U_LINE (src, 0),
FRAME_GET_U_STRIDE (src), (width + 1) / 2, height);
video_orc_planar_chroma_422_444 (FRAME_GET_V_LINE (dest, 0),
FRAME_GET_V_STRIDE (dest), FRAME_GET_V_LINE (src, 0),
FRAME_GET_V_STRIDE (src), (width + 1) / 2, height);
}
static void
convert_Y42B_YUY2 (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_convert_Y42B_YUY2 (FRAME_GET_LINE (dest, 0),
FRAME_GET_STRIDE (dest), FRAME_GET_Y_LINE (src, 0),
FRAME_GET_Y_STRIDE (src), FRAME_GET_U_LINE (src, 0),
FRAME_GET_U_STRIDE (src), FRAME_GET_V_LINE (src, 0),
FRAME_GET_V_STRIDE (src), (width + 1) / 2, height);
}
static void
convert_Y42B_UYVY (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_convert_Y42B_UYVY (FRAME_GET_LINE (dest, 0),
FRAME_GET_STRIDE (dest), FRAME_GET_Y_LINE (src, 0),
FRAME_GET_Y_STRIDE (src), FRAME_GET_U_LINE (src, 0),
FRAME_GET_U_STRIDE (src), FRAME_GET_V_LINE (src, 0),
FRAME_GET_V_STRIDE (src), (width + 1) / 2, height);
}
static void
convert_Y42B_AYUV (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
/* only for even width */
video_orc_convert_Y42B_AYUV (FRAME_GET_LINE (dest, 0),
FRAME_GET_STRIDE (dest), FRAME_GET_Y_LINE (src, 0),
FRAME_GET_Y_STRIDE (src), FRAME_GET_U_LINE (src, 0),
FRAME_GET_U_STRIDE (src), FRAME_GET_V_LINE (src, 0),
FRAME_GET_V_STRIDE (src), width / 2, height);
}
static void
convert_Y444_I420 (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_memcpy_2d (FRAME_GET_Y_LINE (dest, 0),
FRAME_GET_Y_STRIDE (dest), FRAME_GET_Y_LINE (src, 0),
FRAME_GET_Y_STRIDE (src), width, height);
video_orc_planar_chroma_444_420 (FRAME_GET_U_LINE (dest, 0),
FRAME_GET_U_STRIDE (dest), FRAME_GET_U_LINE (src, 0),
2 * FRAME_GET_U_STRIDE (src), FRAME_GET_U_LINE (src, 1),
2 * FRAME_GET_U_STRIDE (src), width / 2, height / 2);
video_orc_planar_chroma_444_420 (FRAME_GET_V_LINE (dest, 0),
FRAME_GET_V_STRIDE (dest), FRAME_GET_V_LINE (src, 0),
2 * FRAME_GET_V_STRIDE (src), FRAME_GET_V_LINE (src, 1),
2 * FRAME_GET_V_STRIDE (src), width / 2, height / 2);
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmplines[0], height - 1, convert->in_x, width);
PACK_FRAME (dest, convert->tmplines[0], height - 1, width);
}
}
static void
convert_Y444_Y42B (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_memcpy_2d (FRAME_GET_Y_LINE (dest, 0),
FRAME_GET_Y_STRIDE (dest), FRAME_GET_Y_LINE (src, 0),
FRAME_GET_Y_STRIDE (src), width, height);
video_orc_planar_chroma_444_422 (FRAME_GET_U_LINE (dest, 0),
FRAME_GET_U_STRIDE (dest), FRAME_GET_U_LINE (src, 0),
FRAME_GET_U_STRIDE (src), width / 2, height);
video_orc_planar_chroma_444_422 (FRAME_GET_V_LINE (dest, 0),
FRAME_GET_V_STRIDE (dest), FRAME_GET_V_LINE (src, 0),
FRAME_GET_V_STRIDE (src), width / 2, height);
}
static void
convert_Y444_YUY2 (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_convert_Y444_YUY2 (FRAME_GET_LINE (dest, 0),
FRAME_GET_STRIDE (dest), FRAME_GET_Y_LINE (src, 0),
FRAME_GET_Y_STRIDE (src), FRAME_GET_U_LINE (src, 0),
FRAME_GET_U_STRIDE (src), FRAME_GET_V_LINE (src, 0),
FRAME_GET_V_STRIDE (src), width / 2, height);
}
static void
convert_Y444_UYVY (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_convert_Y444_UYVY (FRAME_GET_LINE (dest, 0),
FRAME_GET_STRIDE (dest), FRAME_GET_Y_LINE (src, 0),
FRAME_GET_Y_STRIDE (src), FRAME_GET_U_LINE (src, 0),
FRAME_GET_U_STRIDE (src), FRAME_GET_V_LINE (src, 0),
FRAME_GET_V_STRIDE (src), width / 2, height);
}
static void
convert_Y444_AYUV (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_convert_Y444_AYUV (FRAME_GET_LINE (dest, 0),
FRAME_GET_STRIDE (dest), FRAME_GET_Y_LINE (src, 0),
FRAME_GET_Y_STRIDE (src), FRAME_GET_U_LINE (src, 0),
FRAME_GET_U_STRIDE (src), FRAME_GET_V_LINE (src, 0),
FRAME_GET_V_STRIDE (src), width, height);
}
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
static void
convert_AYUV_ARGB (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_convert_AYUV_ARGB (FRAME_GET_LINE (dest, 0),
FRAME_GET_STRIDE (dest), FRAME_GET_LINE (src, 0),
FRAME_GET_STRIDE (src), convert->cmatrix[0][0], convert->cmatrix[0][2],
convert->cmatrix[2][1], convert->cmatrix[1][1], convert->cmatrix[1][2],
width, height);
}
static void
convert_AYUV_BGRA (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_convert_AYUV_BGRA (FRAME_GET_LINE (dest, 0),
FRAME_GET_STRIDE (dest), FRAME_GET_LINE (src, 0),
FRAME_GET_STRIDE (src), convert->cmatrix[0][0], convert->cmatrix[0][2],
convert->cmatrix[2][1], convert->cmatrix[1][1], convert->cmatrix[1][2],
width, height);
}
static void
convert_AYUV_ABGR (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_convert_AYUV_ABGR (FRAME_GET_LINE (dest, 0),
FRAME_GET_STRIDE (dest), FRAME_GET_LINE (src, 0),
FRAME_GET_STRIDE (src), convert->cmatrix[0][0], convert->cmatrix[0][2],
convert->cmatrix[2][1], convert->cmatrix[1][1], convert->cmatrix[1][2],
width, height);
}
static void
convert_AYUV_RGBA (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
gint width = convert->in_width;
gint height = convert->in_height;
video_orc_convert_AYUV_RGBA (FRAME_GET_LINE (dest, 0),
FRAME_GET_STRIDE (dest), FRAME_GET_LINE (src, 0),
FRAME_GET_STRIDE (src), convert->cmatrix[0][0], convert->cmatrix[0][2],
convert->cmatrix[2][1], convert->cmatrix[1][1], convert->cmatrix[1][2],
width, height);
}
static void
convert_I420_BGRA (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest)
{
int i;
gint width = convert->in_width;
gint height = convert->in_height;
for (i = 0; i < height; i++) {
video_orc_convert_I420_BGRA (FRAME_GET_LINE (dest, i),
FRAME_GET_Y_LINE (src, i),
FRAME_GET_U_LINE (src, i >> 1), FRAME_GET_V_LINE (src, i >> 1),
convert->cmatrix[0][0], convert->cmatrix[0][2],
convert->cmatrix[2][1], convert->cmatrix[1][1], convert->cmatrix[1][2],
width);
}
}
#endif
/* Fast paths */
typedef struct
{
GstVideoFormat in_format;
GstVideoColorMatrix in_matrix;
GstVideoFormat out_format;
GstVideoColorMatrix out_matrix;
gboolean keeps_color_matrix;
gboolean keeps_interlaced;
gboolean needs_color_matrix;
gint width_align, height_align;
void (*convert) (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest);
} VideoTransform;
static const VideoTransform transforms[] = {
{GST_VIDEO_FORMAT_I420, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YUY2,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_I420_YUY2},
{GST_VIDEO_FORMAT_I420, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_UYVY,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_I420_UYVY},
{GST_VIDEO_FORMAT_I420, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_AYUV,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_I420_AYUV},
{GST_VIDEO_FORMAT_I420, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_Y42B,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, FALSE, 0, 0,
convert_I420_Y42B},
{GST_VIDEO_FORMAT_I420, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_Y444,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, FALSE, 0, 0,
convert_I420_Y444},
{GST_VIDEO_FORMAT_YV12, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YUY2,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_I420_YUY2},
{GST_VIDEO_FORMAT_YV12, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_UYVY,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_I420_UYVY},
{GST_VIDEO_FORMAT_YV12, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_AYUV,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_I420_AYUV},
{GST_VIDEO_FORMAT_YV12, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_Y42B,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, FALSE, 0, 0,
convert_I420_Y42B},
{GST_VIDEO_FORMAT_YV12, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_Y444,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, FALSE, 0, 0,
convert_I420_Y444},
{GST_VIDEO_FORMAT_YUY2, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_I420,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_YUY2_I420},
{GST_VIDEO_FORMAT_YUY2, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YV12,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_YUY2_I420},
{GST_VIDEO_FORMAT_YUY2, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_UYVY,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0, convert_UYVY_YUY2}, /* alias */
{GST_VIDEO_FORMAT_YUY2, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_AYUV,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_YUY2_AYUV},
{GST_VIDEO_FORMAT_YUY2, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_Y42B,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_YUY2_Y42B},
{GST_VIDEO_FORMAT_YUY2, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_Y444,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_YUY2_Y444},
{GST_VIDEO_FORMAT_UYVY, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_I420,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_UYVY_I420},
{GST_VIDEO_FORMAT_UYVY, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YV12,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_UYVY_I420},
{GST_VIDEO_FORMAT_UYVY, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YUY2,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_UYVY_YUY2},
{GST_VIDEO_FORMAT_UYVY, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_AYUV,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_UYVY_AYUV},
{GST_VIDEO_FORMAT_UYVY, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_Y42B,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_UYVY_Y42B},
{GST_VIDEO_FORMAT_UYVY, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_Y444,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_UYVY_Y444},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_I420,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, FALSE, 1, 1,
convert_AYUV_I420},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YV12,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, FALSE, 1, 1,
convert_AYUV_I420},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YUY2,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 1, 0,
convert_AYUV_YUY2},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_UYVY,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 1, 0,
convert_AYUV_UYVY},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_Y42B,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 1, 0,
convert_AYUV_Y42B},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_Y444,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_AYUV_Y444},
{GST_VIDEO_FORMAT_Y42B, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_I420,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, FALSE, 0, 0,
convert_Y42B_I420},
{GST_VIDEO_FORMAT_Y42B, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YV12,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, FALSE, 0, 0,
convert_Y42B_I420},
{GST_VIDEO_FORMAT_Y42B, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YUY2,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_Y42B_YUY2},
{GST_VIDEO_FORMAT_Y42B, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_UYVY,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_Y42B_UYVY},
{GST_VIDEO_FORMAT_Y42B, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_AYUV,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 1, 0,
convert_Y42B_AYUV},
{GST_VIDEO_FORMAT_Y42B, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_Y444,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_Y42B_Y444},
{GST_VIDEO_FORMAT_Y444, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_I420,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, FALSE, 1, 0,
convert_Y444_I420},
{GST_VIDEO_FORMAT_Y444, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YV12,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, FALSE, 1, 0,
convert_Y444_I420},
{GST_VIDEO_FORMAT_Y444, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YUY2,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 1, 0,
convert_Y444_YUY2},
{GST_VIDEO_FORMAT_Y444, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_UYVY,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 1, 0,
convert_Y444_UYVY},
{GST_VIDEO_FORMAT_Y444, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_AYUV,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 0, 0,
convert_Y444_AYUV},
{GST_VIDEO_FORMAT_Y444, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_Y42B,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, FALSE, 1, 0,
convert_Y444_Y42B},
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_ARGB,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, TRUE, 0, 0,
convert_AYUV_ARGB},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_BGRA,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, TRUE, 0, 0,
convert_AYUV_BGRA},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_xRGB,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, TRUE, 0, 0, convert_AYUV_ARGB}, /* alias */
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_BGRx,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, TRUE, 0, 0, convert_AYUV_BGRA}, /* alias */
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_ABGR,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, TRUE, 0, 0,
convert_AYUV_ABGR},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_RGBA,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, TRUE, 0, 0,
convert_AYUV_RGBA},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_xBGR,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, TRUE, 0, 0, convert_AYUV_ABGR}, /* alias */
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_RGBx,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, TRUE, 0, 0, convert_AYUV_RGBA}, /* alias */
{GST_VIDEO_FORMAT_I420, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_BGRA,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, TRUE, 0, 0,
convert_I420_BGRA},
{GST_VIDEO_FORMAT_I420, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_BGRx,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, TRUE, 0, 0,
convert_I420_BGRA},
{GST_VIDEO_FORMAT_YV12, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_BGRA,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, TRUE, 0, 0,
convert_I420_BGRA},
{GST_VIDEO_FORMAT_YV12, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_BGRx,
GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, TRUE, 0, 0,
convert_I420_BGRA},
#endif
};
static gboolean
video_converter_lookup_fastpath (GstVideoConverter * convert)
{
int i;
GstVideoFormat in_format, out_format;
GstVideoColorMatrix in_matrix, out_matrix;
gboolean interlaced;
gint width, height;
width = GST_VIDEO_INFO_WIDTH (&convert->in_info);
height = GST_VIDEO_INFO_HEIGHT (&convert->in_info);
if (width != convert->out_width || height != convert->out_height)
return FALSE;
in_format = GST_VIDEO_INFO_FORMAT (&convert->in_info);
out_format = GST_VIDEO_INFO_FORMAT (&convert->out_info);
in_matrix = convert->in_info.colorimetry.matrix;
out_matrix = convert->out_info.colorimetry.matrix;
interlaced = GST_VIDEO_INFO_IS_INTERLACED (&convert->in_info);
interlaced |= GST_VIDEO_INFO_IS_INTERLACED (&convert->out_info);
for (i = 0; i < sizeof (transforms) / sizeof (transforms[0]); i++) {
if (transforms[i].in_format == in_format &&
transforms[i].out_format == out_format &&
(transforms[i].keeps_color_matrix ||
(transforms[i].in_matrix == in_matrix &&
transforms[i].out_matrix == out_matrix)) &&
(transforms[i].keeps_interlaced || !interlaced) &&
(transforms[i].width_align & width) == 0 &&
(transforms[i].height_align & height) == 0) {
GST_DEBUG ("using fastpath");
if (transforms[i].needs_color_matrix)
video_converter_compute_matrix (convert);
convert->convert = transforms[i].convert;
alloc_tmplines (convert, 1, 0, GST_VIDEO_INFO_WIDTH (&convert->in_info));
return TRUE;
}
}
GST_DEBUG ("no fastpath found");
return FALSE;
}
Reference in a new issue View git blame Copy permalink