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gstreamer/gst-libs/gst/video/video-converter.c
Wim Taymans 63012a07c5 video-converter: split YUV to and from RGB conversions 
Prepare for doing full gamma corrected conversion and scaling by first
splitting the conversions from and to RGB into separate steps.
split scaling in downscaling and upscaling steps to be performed before
and after conversion respectively.
2014-11-19 12:55:02 +01:00

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/* 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>
*/
/*
* (a) unpack
* (b) chroma upsample
* (c) (convert Y'CbCr to R'G'B')
* (d) gamma decode
* (e) downscale
* (f) colorspace convert through XYZ
* (g) upscale
* (h) gamma encode
* (i) (convert R'G'B' to Y'CbCr)
* (j) chroma downsample
* (k) pack
*
* quality options
*
* (a) range truncate, range expand
* (b) full upsample, 1-1 non-cosited upsample, no upsample
* (c) 8 bits, 16 bits
* (d)
* (e) 8 bits, 16 bits
* (f) 8 bits, 16 bits
* (g) 8 bits, 16 bits
* (h)
* (i) 8 bits, 16 bits
* (j) 1-1 cosited downsample, no downsample
* (k)
*
*
* 1 : a -> -> -> -> e -> f -> g -> -> -> -> k
* 2 : a -> -> -> -> e -> f* -> g -> -> -> -> k
* 3 : a -> -> -> -> e* -> f* -> g* -> -> -> -> k
* 4 : a -> b -> -> -> e -> f -> g -> -> -> j -> k
* 5 : a -> b -> -> -> e* -> f* -> g* -> -> -> j -> k
* 6 : a -> b -> c -> d -> e -> f -> g -> h -> i -> j -> k
* 7 : a -> b -> c -> d -> e* -> f* -> g* -> h -> i -> j -> k
*
* 8 : a -> b -> c -> d -> e* -> f* -> g* -> h -> i -> j -> k
* 9 : a -> b -> c -> d -> e* -> f* -> g* -> h -> i -> j -> k
* 10 : a -> b -> c -> d -> e* -> f* -> g* -> h -> i -> j -> k
*/
typedef struct _GstLineCache GstLineCache;
#define SCALE (8)
#define SCALE_F ((float) (1 << SCALE))
typedef struct
{
gdouble m[4][4];
} ColorMatrix;
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;
gint current_height;
GstVideoFormat current_format;
gint current_bits;
ColorMatrix current_matrix;
gboolean current_identity;
gint cmatrix[4][4];
guint64 orc_p1;
guint64 orc_p2;
guint64 orc_p3;
GstStructure *config;
GstVideoDitherMethod dither;
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;
void (*convert) (GstVideoConverter * convert, const GstVideoFrame * src,
GstVideoFrame * dest);
void (*dither16) (GstVideoConverter * convert, guint16 * pixels, int j);
/* data for unpack */
GstLineCache *unpack_lines;
GstFormat unpack_format;
guint unpack_bits;
gboolean unpack_rgb;
gboolean identity_unpack;
gint unpack_pstride;
/* chroma upsample */
GstLineCache *upsample_lines;
GstVideoChromaResample *upsample;
guint up_n_lines;
gint up_offset;
/* to R'G'B */
GstLineCache *to_RGB_lines;
gint to_RGB_matrix[4][4];
/* gamma decode */
GstLineCache *gamma_decode_lines;
gpointer gamma_dec_table;
/* scaling */
GstLineCache *hscale_lines;
GstVideoScaler *h_scaler;
gint h_scale_format;
GstLineCache *vscale_lines;
GstVideoScaler *v_scaler;
gint v_scale_width;
gint v_scale_format;
/* color space conversion */
GstLineCache *convert_lines;
gint convert_matrix[4][4];
void (*matrix) (GstVideoConverter * convert, gpointer pixels);
/* gamma encode */
GstLineCache *gamma_encode_lines;
gpointer gamma_enc_table;
/* to Y'CbCr */
GstLineCache *to_YUV_lines;
gint to_YUV_matrix[4][4];
/* chroma downsample */
GstLineCache *downsample_lines;
GstVideoChromaResample *downsample;
guint down_n_lines;
gint down_offset;
/* pack */
GstLineCache *pack_lines;
guint pack_nlines;
GstFormat pack_format;
guint pack_bits;
gboolean pack_rgb;
gboolean identity_pack;
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 void video_converter_matrix8_AYUV_ARGB (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;
GstVideoInfo *info;
info = &convert->in_info;
convert->current_format = convert->unpack_format;
convert->current_bits = convert->unpack_bits;
convert->current_pstride = convert->current_bits >> 1;
convert->unpack_pstride = convert->current_pstride;
convert->identity_unpack = (convert->current_format == 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 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_debug (const ColorMatrix * s)
{
GST_DEBUG ("[%f %f %f %f]", s->m[0][0], s->m[0][1], s->m[0][2], s->m[0][3]);
GST_DEBUG ("[%f %f %f %f]", s->m[1][0], s->m[1][1], s->m[1][2], s->m[1][3]);
GST_DEBUG ("[%f %f %f %f]", s->m[2][0], s->m[2][1], s->m[2][2], s->m[2][3]);
GST_DEBUG ("[%f %f %f %f]", s->m[3][0], s->m[3][1], s->m[3][2], s->m[3][3]);
}
static void
color_matrix_convert (const ColorMatrix * s, gint d[4][4])
{
gint i, j;
for (i = 0; i < 4; i++)
for (j = 0; j < 4; j++)
d[i][j] = rint (s->m[i][j]);
GST_DEBUG ("[%6d %6d %6d %6d]", d[0][0], d[0][1], d[0][2], d[0][3]);
GST_DEBUG ("[%6d %6d %6d %6d]", d[1][0], d[1][1], d[1][2], d[1][3]);
GST_DEBUG ("[%6d %6d %6d %6d]", d[2][0], d[2][1], d[2][2], d[2][3]);
GST_DEBUG ("[%6d %6d %6d %6d]", d[3][0], d[3][1], d[3][2], d[3][3]);
}
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
compute_matrix_to_RGB (GstVideoConverter * convert, ColorMatrix * dst)
{
GstVideoInfo *info;
gdouble Kr = 0, Kb = 0;
const GstVideoFormatInfo *uinfo;
gint offset[4], scale[4];
info = &convert->in_info;
uinfo = gst_video_format_get_info (convert->unpack_format);
/* bring color components to [0..1.0] range */
gst_video_color_range_offsets (info->colorimetry.range, uinfo, 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]));
if (info->colorimetry.range > GST_VIDEO_COLOR_RANGE_0_255)
convert->current_identity = FALSE;
if (GST_VIDEO_FORMAT_INFO_IS_YUV (uinfo)) {
/* bring components to R'G'B' space */
if (gst_video_color_matrix_get_Kr_Kb (info->colorimetry.matrix, &Kr, &Kb)) {
color_matrix_YCbCr_to_RGB (dst, Kr, Kb);
convert->current_identity = FALSE;
}
}
color_matrix_debug (dst);
}
static GstLineCache *
chain_convert_to_RGB (GstVideoConverter * convert, GstLineCache * prev)
{
compute_matrix_to_RGB (convert, &convert->current_matrix);
if (convert->current_bits == 8)
convert->current_format = GST_VIDEO_FORMAT_ARGB;
else
convert->current_format = GST_VIDEO_FORMAT_ARGB64;
return prev;
}
static GstLineCache *
chain_gamma_decode (GstVideoConverter * convert, GstLineCache * prev)
{
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;
convert->current_height = convert->out_height;
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_scale (GstVideoConverter * convert, GstLineCache * prev, gboolean force)
{
gint s0, s1, s2, s3;
s0 = convert->current_width * convert->current_height;
s3 = convert->out_width * convert->out_height;
if (s0 <= s3 || force) {
/* we are making the image smaller or are forced to resample */
s1 = convert->out_width * convert->current_height;
s2 = convert->current_width * convert->out_height;
if (s1 <= s2) {
/* h scaling first produces less pixels */
if (convert->current_width != convert->out_width)
prev = chain_hscale (convert, prev);
if (convert->current_height != convert->out_height)
prev = chain_vscale (convert, prev);
} else {
/* v scaling first produces less pixels */
if (convert->current_height != convert->out_height)
prev = chain_vscale (convert, prev);
if (convert->current_width != convert->out_width)
prev = chain_hscale (convert, prev);
}
}
return prev;
}
static GstLineCache *
chain_convert (GstVideoConverter * convert, GstLineCache * prev)
{
return prev;
}
static GstLineCache *
chain_gamma_encode (GstVideoConverter * convert, GstLineCache * prev)
{
return prev;
}
static void
prepare_matrix (GstVideoConverter * convert, ColorMatrix * dst)
{
color_matrix_scale_components (dst, SCALE_F, SCALE_F, SCALE_F);
color_matrix_convert (dst, convert->cmatrix);
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);
if (!convert->current_identity) {
if (convert->current_bits == 8) {
if (!convert->unpack_rgb && convert->pack_rgb)
convert->matrix = video_converter_matrix8_AYUV_ARGB;
else
convert->matrix = video_converter_matrix8;
} else {
convert->matrix = video_converter_matrix16;
}
} else {
convert->matrix = NULL;
}
}
static GstLineCache *
chain_matrix (GstVideoConverter * convert, GstLineCache * prev)
{
prepare_matrix (convert, &convert->current_matrix);
GST_DEBUG ("chain matrix convert");
prev = convert->convert_lines = gst_line_cache_new (prev);
prev->write_input = TRUE;
if (convert->unpack_bits != convert->pack_bits)
prev->pass_alloc = FALSE;
else
prev->pass_alloc = TRUE;
gst_line_cache_set_need_line_func (convert->convert_lines,
do_convert_lines, convert, NULL);
return prev;
}
static void
compute_matrix_to_YUV (GstVideoConverter * convert, ColorMatrix * dst)
{
GstVideoInfo *info;
const GstVideoFormatInfo *uinfo;
gint offset[4], scale[4];
gdouble Kr = 0, Kb = 0;
info = &convert->out_info;
uinfo = gst_video_format_get_info (convert->pack_format);
if (GST_VIDEO_FORMAT_INFO_IS_YUV (uinfo)) {
/* bring components to YCbCr space */
if (gst_video_color_matrix_get_Kr_Kb (info->colorimetry.matrix, &Kr, &Kb)) {
color_matrix_RGB_to_YCbCr (dst, Kr, Kb);
convert->current_identity = FALSE;
}
}
/* bring color components to nominal range */
gst_video_color_range_offsets (info->colorimetry.range, uinfo, 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]);
if (info->colorimetry.range > GST_VIDEO_COLOR_RANGE_0_255)
convert->current_identity = FALSE;
if (convert->unpack_bits > convert->pack_bits) {
gint scale = 1 << (convert->unpack_bits - convert->pack_bits);
color_matrix_scale_components (dst, (float) scale, (float) scale,
(float) scale);
} else if (convert->unpack_bits < convert->pack_bits) {
gint scale = 1 << (convert->pack_bits - convert->unpack_bits);
color_matrix_scale_components (dst, 1 / (float) scale, 1 / (float) scale,
1 / (float) scale);
}
color_matrix_debug (dst);
}
static GstLineCache *
chain_convert_to_YUV (GstVideoConverter * convert, GstLineCache * prev)
{
compute_matrix_to_YUV (convert, &convert->current_matrix);
if (!convert->current_identity || convert->pack_bits != convert->unpack_bits)
prev = chain_matrix (convert, prev);
convert->current_format = convert->pack_format;
convert->current_bits = convert->pack_bits;
convert->current_pstride = convert->current_bits >> 1;
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_nlines = convert->out_info.finfo->pack_lines;
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;
const GstVideoFormatInfo *fin, *fout, *finfo;
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);
convert->unpack_format = in_info->finfo->unpack_format;
finfo = gst_video_format_get_info (convert->unpack_format);
convert->unpack_bits = GST_VIDEO_FORMAT_INFO_DEPTH (finfo, 0);
convert->unpack_rgb = GST_VIDEO_FORMAT_INFO_IS_YUV (finfo);
convert->pack_format = out_info->finfo->unpack_format;
finfo = gst_video_format_get_info (convert->pack_format);
convert->pack_bits = GST_VIDEO_FORMAT_INFO_DEPTH (finfo, 0);
convert->pack_rgb = GST_VIDEO_FORMAT_INFO_IS_YUV (finfo);
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;
convert->current_format = GST_VIDEO_INFO_FORMAT (in_info);
convert->current_width = convert->in_width;
convert->current_height = convert->in_height;
color_matrix_set_identity (&convert->current_matrix);
convert->current_identity = TRUE;
/* unpack */
prev = chain_unpack_line (convert);
/* upsample chroma */
prev = chain_upsample (convert, prev);
/* convert to gamma encoded R'G'B' */
prev = chain_convert_to_RGB (convert, prev);
/* decode gamma */
prev = chain_gamma_decode (convert, prev);
/* do all downscaling */
prev = chain_scale (convert, prev, FALSE);
/* do conversion between color spaces */
prev = chain_convert (convert, prev);
/* do all remaining (up)scaling */
prev = chain_scale (convert, prev, TRUE);
/* encode gamma */
prev = chain_gamma_encode (convert, prev);
/* convert to gamma encoded Y'Cb'Cr' */
prev = chain_convert_to_YUV (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);
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)) {
guint64 border_val;
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->pack_bits == 8)
video_orc_splat_u32 (convert->borderline, border_val, width);
else
video_orc_splat_u64 (convert->borderline, border_val, width);
} 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);
}
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;
gint width = MIN (convert->in_width, convert->out_width);
for (i = 0; i < 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);
}
}
static void
video_converter_compute_matrix (GstVideoConverter * convert)
{
ColorMatrix dst;
color_matrix_set_identity (&dst);
convert->current_identity = TRUE;
compute_matrix_to_RGB (convert, &dst);
compute_matrix_to_YUV (convert, &dst);
prepare_matrix (convert, &dst);
}
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 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;
guint cline;
cline = CLAMP (idx, 0, convert->out_maxheight - 1);
GST_DEBUG ("get dest line %d", cline);
line = FRAME_GET_LINE (convert->dest, cline);
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 = ((guint8 *) FRAME_GET_LINE (convert->src, cline)) +
convert->in_x * convert->unpack_pstride;
}
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, destline;
guint in_bits, out_bits;
gint width;
lines = gst_line_cache_get_lines (cache->prev, out_line, in_line, 1);
destline = lines[0];
in_bits = convert->unpack_bits;
out_bits = convert->pack_bits;
width = MIN (convert->in_width, convert->out_width);
if (out_bits == 16 || in_bits == 16) {
gpointer srcline = lines[0];
if (out_bits != in_bits)
destline = gst_line_cache_alloc_line (cache, out_line);
/* FIXME, we can scale in the conversion matrix */
if (in_bits == 8) {
GST_DEBUG ("8->16 line %d", in_line);
video_orc_convert_u8_to_u16 (destline, srcline, width * 4);
srcline = destline;
}
if (convert->matrix) {
GST_DEBUG ("matrix line %d", in_line);
convert->matrix (convert, srcline);
}
if (convert->dither16)
convert->dither16 (convert, srcline, in_line);
if (out_bits == 8) {
GST_DEBUG ("16->8 line %d", in_line);
video_orc_convert_u16_to_u8 (destline, srcline, width * 4);
}
} else {
if (convert->matrix) {
GST_DEBUG ("matrix line %d", in_line);
convert->matrix (convert, destline);
}
}
gst_line_cache_add_line (cache, in_line, destline);
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->pack_nlines; /* 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;
}
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