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gstreamer/ext/libav/gstavutils.c
Sebastian Dröge d3a2a9a951 libav: Change from deprecated PIX_FMT_* to AV_PIX_FMT_*
2015-03-10 10:17:45 +01:00

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/* GStreamer
* Copyright (c) 2009 Edward Hervey <bilboed@bilboed.com>
*
* 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 "gstavutils.h"
#include <unistd.h>
#ifdef __APPLE__
#include <sys/sysctl.h>
#endif
#ifdef __MINGW32__
#include <stdlib.h>
#endif
#include <libavutil/mem.h>
G_CONST_RETURN gchar *
gst_ffmpeg_get_codecid_longname (enum AVCodecID codec_id)
{
AVCodec *codec;
/* Let's use what ffmpeg can provide us */
if ((codec = avcodec_find_decoder (codec_id)) ||
(codec = avcodec_find_encoder (codec_id)))
return codec->long_name;
return NULL;
}
gint
av_smp_format_depth (enum AVSampleFormat smp_fmt)
{
gint depth = -1;
switch (smp_fmt) {
case AV_SAMPLE_FMT_U8:
case AV_SAMPLE_FMT_U8P:
depth = 1;
break;
case AV_SAMPLE_FMT_S16:
case AV_SAMPLE_FMT_S16P:
depth = 2;
break;
case AV_SAMPLE_FMT_S32:
case AV_SAMPLE_FMT_S32P:
case AV_SAMPLE_FMT_FLT:
case AV_SAMPLE_FMT_FLTP:
depth = 4;
break;
case AV_SAMPLE_FMT_DBL:
case AV_SAMPLE_FMT_DBLP:
depth = 8;
break;
default:
GST_ERROR ("UNHANDLED SAMPLE FORMAT !");
break;
}
return depth;
}
/*
* Fill in pointers to memory in a AVPicture, where
* everything is aligned by 4 (as required by X).
* This is mostly a copy from imgconvert.c with some
* small changes.
*/
#define FF_COLOR_RGB 0 /* RGB color space */
#define FF_COLOR_GRAY 1 /* gray color space */
#define FF_COLOR_YUV 2 /* YUV color space. 16 <= Y <= 235, 16 <= U, V <= 240 */
#define FF_COLOR_YUV_JPEG 3 /* YUV color space. 0 <= Y <= 255, 0 <= U, V <= 255 */
#define FF_PIXEL_PLANAR 0 /* each channel has one component in AVPicture */
#define FF_PIXEL_PACKED 1 /* only one components containing all the channels */
#define FF_PIXEL_PALETTE 2 /* one components containing indexes for a palette */
typedef struct PixFmtInfo
{
const char *name;
uint8_t nb_channels; /* number of channels (including alpha) */
uint8_t color_type; /* color type (see FF_COLOR_xxx constants) */
uint8_t pixel_type; /* pixel storage type (see FF_PIXEL_xxx constants) */
uint8_t is_alpha:1; /* true if alpha can be specified */
uint8_t x_chroma_shift; /* X chroma subsampling factor is 2 ^ shift */
uint8_t y_chroma_shift; /* Y chroma subsampling factor is 2 ^ shift */
uint8_t depth; /* bit depth of the color components */
} PixFmtInfo;
/* this table gives more information about formats */
static PixFmtInfo pix_fmt_info[AV_PIX_FMT_NB];
void
gst_ffmpeg_init_pix_fmt_info (void)
{
/* YUV formats */
pix_fmt_info[AV_PIX_FMT_YUV420P].name = g_strdup ("yuv420p");
pix_fmt_info[AV_PIX_FMT_YUV420P].nb_channels = 3;
pix_fmt_info[AV_PIX_FMT_YUV420P].color_type = FF_COLOR_YUV;
pix_fmt_info[AV_PIX_FMT_YUV420P].pixel_type = FF_PIXEL_PLANAR;
pix_fmt_info[AV_PIX_FMT_YUV420P].depth = 8,
pix_fmt_info[AV_PIX_FMT_YUV420P].x_chroma_shift = 1,
pix_fmt_info[AV_PIX_FMT_YUV420P].y_chroma_shift = 1;
pix_fmt_info[AV_PIX_FMT_YUV422P].name = g_strdup ("yuv422p");
pix_fmt_info[AV_PIX_FMT_YUV422P].nb_channels = 3;
pix_fmt_info[AV_PIX_FMT_YUV422P].color_type = FF_COLOR_YUV;
pix_fmt_info[AV_PIX_FMT_YUV422P].pixel_type = FF_PIXEL_PLANAR;
pix_fmt_info[AV_PIX_FMT_YUV422P].depth = 8;
pix_fmt_info[AV_PIX_FMT_YUV422P].x_chroma_shift = 1;
pix_fmt_info[AV_PIX_FMT_YUV422P].y_chroma_shift = 0;
pix_fmt_info[AV_PIX_FMT_YUV444P].name = g_strdup ("yuv444p");
pix_fmt_info[AV_PIX_FMT_YUV444P].nb_channels = 3;
pix_fmt_info[AV_PIX_FMT_YUV444P].color_type = FF_COLOR_YUV;
pix_fmt_info[AV_PIX_FMT_YUV444P].pixel_type = FF_PIXEL_PLANAR;
pix_fmt_info[AV_PIX_FMT_YUV444P].depth = 8;
pix_fmt_info[AV_PIX_FMT_YUV444P].x_chroma_shift = 0;
pix_fmt_info[AV_PIX_FMT_YUV444P].y_chroma_shift = 0;
pix_fmt_info[AV_PIX_FMT_YUYV422].name = g_strdup ("yuv422");
pix_fmt_info[AV_PIX_FMT_YUYV422].nb_channels = 1;
pix_fmt_info[AV_PIX_FMT_YUYV422].color_type = FF_COLOR_YUV;
pix_fmt_info[AV_PIX_FMT_YUYV422].pixel_type = FF_PIXEL_PACKED;
pix_fmt_info[AV_PIX_FMT_YUYV422].depth = 8;
pix_fmt_info[AV_PIX_FMT_YUYV422].x_chroma_shift = 1;
pix_fmt_info[AV_PIX_FMT_YUYV422].y_chroma_shift = 0;
pix_fmt_info[AV_PIX_FMT_YUV410P].name = g_strdup ("yuv410p");
pix_fmt_info[AV_PIX_FMT_YUV410P].nb_channels = 3;
pix_fmt_info[AV_PIX_FMT_YUV410P].color_type = FF_COLOR_YUV;
pix_fmt_info[AV_PIX_FMT_YUV410P].pixel_type = FF_PIXEL_PLANAR;
pix_fmt_info[AV_PIX_FMT_YUV410P].depth = 8;
pix_fmt_info[AV_PIX_FMT_YUV410P].x_chroma_shift = 2;
pix_fmt_info[AV_PIX_FMT_YUV410P].y_chroma_shift = 2;
pix_fmt_info[AV_PIX_FMT_YUV411P].name = g_strdup ("yuv411p");
pix_fmt_info[AV_PIX_FMT_YUV411P].nb_channels = 3;
pix_fmt_info[AV_PIX_FMT_YUV411P].color_type = FF_COLOR_YUV;
pix_fmt_info[AV_PIX_FMT_YUV411P].pixel_type = FF_PIXEL_PLANAR;
pix_fmt_info[AV_PIX_FMT_YUV411P].depth = 8;
pix_fmt_info[AV_PIX_FMT_YUV411P].x_chroma_shift = 2;
pix_fmt_info[AV_PIX_FMT_YUV411P].y_chroma_shift = 0;
/* JPEG YUV */
pix_fmt_info[AV_PIX_FMT_YUVJ420P].name = g_strdup ("yuvj420p");
pix_fmt_info[AV_PIX_FMT_YUVJ420P].nb_channels = 3;
pix_fmt_info[AV_PIX_FMT_YUVJ420P].color_type = FF_COLOR_YUV_JPEG;
pix_fmt_info[AV_PIX_FMT_YUVJ420P].pixel_type = FF_PIXEL_PLANAR;
pix_fmt_info[AV_PIX_FMT_YUVJ420P].depth = 8;
pix_fmt_info[AV_PIX_FMT_YUVJ420P].x_chroma_shift = 1;
pix_fmt_info[AV_PIX_FMT_YUVJ420P].y_chroma_shift = 1;
pix_fmt_info[AV_PIX_FMT_YUVJ422P].name = g_strdup ("yuvj422p");
pix_fmt_info[AV_PIX_FMT_YUVJ422P].nb_channels = 3;
pix_fmt_info[AV_PIX_FMT_YUVJ422P].color_type = FF_COLOR_YUV_JPEG;
pix_fmt_info[AV_PIX_FMT_YUVJ422P].pixel_type = FF_PIXEL_PLANAR;
pix_fmt_info[AV_PIX_FMT_YUVJ422P].depth = 8;
pix_fmt_info[AV_PIX_FMT_YUVJ422P].x_chroma_shift = 1;
pix_fmt_info[AV_PIX_FMT_YUVJ422P].y_chroma_shift = 0;
pix_fmt_info[AV_PIX_FMT_YUVJ444P].name = g_strdup ("yuvj444p");
pix_fmt_info[AV_PIX_FMT_YUVJ444P].nb_channels = 3;
pix_fmt_info[AV_PIX_FMT_YUVJ444P].color_type = FF_COLOR_YUV_JPEG;
pix_fmt_info[AV_PIX_FMT_YUVJ444P].pixel_type = FF_PIXEL_PLANAR;
pix_fmt_info[AV_PIX_FMT_YUVJ444P].depth = 8;
pix_fmt_info[AV_PIX_FMT_YUVJ444P].x_chroma_shift = 0;
pix_fmt_info[AV_PIX_FMT_YUVJ444P].y_chroma_shift = 0;
/* RGB formats */
pix_fmt_info[AV_PIX_FMT_RGB24].name = g_strdup ("rgb24");
pix_fmt_info[AV_PIX_FMT_RGB24].nb_channels = 3;
pix_fmt_info[AV_PIX_FMT_RGB24].color_type = FF_COLOR_RGB;
pix_fmt_info[AV_PIX_FMT_RGB24].pixel_type = FF_PIXEL_PACKED;
pix_fmt_info[AV_PIX_FMT_RGB24].depth = 8;
pix_fmt_info[AV_PIX_FMT_RGB24].x_chroma_shift = 0;
pix_fmt_info[AV_PIX_FMT_RGB24].y_chroma_shift = 0;
pix_fmt_info[AV_PIX_FMT_BGR24].name = g_strdup ("bgr24");
pix_fmt_info[AV_PIX_FMT_BGR24].nb_channels = 3;
pix_fmt_info[AV_PIX_FMT_BGR24].color_type = FF_COLOR_RGB;
pix_fmt_info[AV_PIX_FMT_BGR24].pixel_type = FF_PIXEL_PACKED;
pix_fmt_info[AV_PIX_FMT_BGR24].depth = 8;
pix_fmt_info[AV_PIX_FMT_BGR24].x_chroma_shift = 0;
pix_fmt_info[AV_PIX_FMT_BGR24].y_chroma_shift = 0;
pix_fmt_info[AV_PIX_FMT_RGB32].name = g_strdup ("rgba32");
pix_fmt_info[AV_PIX_FMT_RGB32].nb_channels = 4;
pix_fmt_info[AV_PIX_FMT_RGB32].is_alpha = 1;
pix_fmt_info[AV_PIX_FMT_RGB32].color_type = FF_COLOR_RGB;
pix_fmt_info[AV_PIX_FMT_RGB32].pixel_type = FF_PIXEL_PACKED;
pix_fmt_info[AV_PIX_FMT_RGB32].depth = 8;
pix_fmt_info[AV_PIX_FMT_RGB32].x_chroma_shift = 0;
pix_fmt_info[AV_PIX_FMT_RGB32].y_chroma_shift = 0;
pix_fmt_info[AV_PIX_FMT_RGB565].name = g_strdup ("rgb565");
pix_fmt_info[AV_PIX_FMT_RGB565].nb_channels = 3;
pix_fmt_info[AV_PIX_FMT_RGB565].color_type = FF_COLOR_RGB;
pix_fmt_info[AV_PIX_FMT_RGB565].pixel_type = FF_PIXEL_PACKED;
pix_fmt_info[AV_PIX_FMT_RGB565].depth = 5;
pix_fmt_info[AV_PIX_FMT_RGB565].x_chroma_shift = 0;
pix_fmt_info[AV_PIX_FMT_RGB565].y_chroma_shift = 0;
pix_fmt_info[AV_PIX_FMT_RGB555].name = g_strdup ("rgb555");
pix_fmt_info[AV_PIX_FMT_RGB555].nb_channels = 4;
pix_fmt_info[AV_PIX_FMT_RGB555].is_alpha = 1;
pix_fmt_info[AV_PIX_FMT_RGB555].color_type = FF_COLOR_RGB;
pix_fmt_info[AV_PIX_FMT_RGB555].pixel_type = FF_PIXEL_PACKED;
pix_fmt_info[AV_PIX_FMT_RGB555].depth = 5;
pix_fmt_info[AV_PIX_FMT_RGB555].x_chroma_shift = 0;
pix_fmt_info[AV_PIX_FMT_RGB555].y_chroma_shift = 0;
/* gray / mono formats */
pix_fmt_info[AV_PIX_FMT_GRAY8].name = g_strdup ("gray");
pix_fmt_info[AV_PIX_FMT_GRAY8].nb_channels = 1;
pix_fmt_info[AV_PIX_FMT_GRAY8].color_type = FF_COLOR_GRAY;
pix_fmt_info[AV_PIX_FMT_GRAY8].pixel_type = FF_PIXEL_PLANAR;
pix_fmt_info[AV_PIX_FMT_GRAY8].depth = 8;
pix_fmt_info[AV_PIX_FMT_MONOWHITE].name = g_strdup ("monow");
pix_fmt_info[AV_PIX_FMT_MONOWHITE].nb_channels = 1;
pix_fmt_info[AV_PIX_FMT_MONOWHITE].color_type = FF_COLOR_GRAY;
pix_fmt_info[AV_PIX_FMT_MONOWHITE].pixel_type = FF_PIXEL_PLANAR;
pix_fmt_info[AV_PIX_FMT_MONOWHITE].depth = 1;
pix_fmt_info[AV_PIX_FMT_MONOBLACK].name = g_strdup ("monob");
pix_fmt_info[AV_PIX_FMT_MONOBLACK].nb_channels = 1;
pix_fmt_info[AV_PIX_FMT_MONOBLACK].color_type = FF_COLOR_GRAY;
pix_fmt_info[AV_PIX_FMT_MONOBLACK].pixel_type = FF_PIXEL_PLANAR;
pix_fmt_info[AV_PIX_FMT_MONOBLACK].depth = 1;
/* paletted formats */
pix_fmt_info[AV_PIX_FMT_PAL8].name = g_strdup ("pal8");
pix_fmt_info[AV_PIX_FMT_PAL8].nb_channels = 4;
pix_fmt_info[AV_PIX_FMT_PAL8].is_alpha = 1;
pix_fmt_info[AV_PIX_FMT_PAL8].color_type = FF_COLOR_RGB;
pix_fmt_info[AV_PIX_FMT_PAL8].pixel_type = FF_PIXEL_PALETTE;
pix_fmt_info[AV_PIX_FMT_PAL8].depth = 8;
pix_fmt_info[AV_PIX_FMT_YUVA420P].name = g_strdup ("yuva420p");
pix_fmt_info[AV_PIX_FMT_YUVA420P].nb_channels = 4;
pix_fmt_info[AV_PIX_FMT_YUVA420P].is_alpha = 1;
pix_fmt_info[AV_PIX_FMT_YUVA420P].color_type = FF_COLOR_YUV;
pix_fmt_info[AV_PIX_FMT_YUVA420P].pixel_type = FF_PIXEL_PLANAR;
pix_fmt_info[AV_PIX_FMT_YUVA420P].depth = 8,
pix_fmt_info[AV_PIX_FMT_YUVA420P].x_chroma_shift = 1,
pix_fmt_info[AV_PIX_FMT_YUVA420P].y_chroma_shift = 1;
};
int
gst_ffmpeg_avpicture_get_size (int pix_fmt, int width, int height)
{
AVPicture dummy_pict;
return gst_ffmpeg_avpicture_fill (&dummy_pict, NULL, pix_fmt, width, height);
}
#define GEN_MASK(x) ((1<<(x))-1)
#define ROUND_UP_X(v,x) (((v) + GEN_MASK(x)) & ~GEN_MASK(x))
#define ROUND_UP_2(x) ROUND_UP_X (x, 1)
#define ROUND_UP_4(x) ROUND_UP_X (x, 2)
#define ROUND_UP_8(x) ROUND_UP_X (x, 3)
#define DIV_ROUND_UP_X(v,x) (((v) + GEN_MASK(x)) >> (x))
int
gst_ffmpeg_avpicture_fill (AVPicture * picture,
uint8_t * ptr, enum PixelFormat pix_fmt, int width, int height)
{
int size, w2, h2, size2;
int stride, stride2;
PixFmtInfo *pinfo;
pinfo = &pix_fmt_info[pix_fmt];
switch (pix_fmt) {
case AV_PIX_FMT_YUV420P:
case AV_PIX_FMT_YUV422P:
case AV_PIX_FMT_YUV444P:
case AV_PIX_FMT_YUV410P:
case AV_PIX_FMT_YUV411P:
case AV_PIX_FMT_YUVJ420P:
case AV_PIX_FMT_YUVJ422P:
case AV_PIX_FMT_YUVJ444P:
stride = ROUND_UP_4 (width);
h2 = ROUND_UP_X (height, pinfo->y_chroma_shift);
size = stride * h2;
w2 = DIV_ROUND_UP_X (width, pinfo->x_chroma_shift);
stride2 = ROUND_UP_4 (w2);
h2 = DIV_ROUND_UP_X (height, pinfo->y_chroma_shift);
size2 = stride2 * h2;
picture->data[0] = ptr;
picture->data[1] = picture->data[0] + size;
picture->data[2] = picture->data[1] + size2;
picture->data[3] = NULL;
picture->linesize[0] = stride;
picture->linesize[1] = stride2;
picture->linesize[2] = stride2;
picture->linesize[3] = 0;
GST_DEBUG ("planes %d %d %d", 0, size, size + size2);
GST_DEBUG ("strides %d %d %d", stride, stride2, stride2);
return size + 2 * size2;
case AV_PIX_FMT_YUVA420P:
stride = ROUND_UP_4 (width);
h2 = ROUND_UP_X (height, pinfo->y_chroma_shift);
size = stride * h2;
w2 = DIV_ROUND_UP_X (width, pinfo->x_chroma_shift);
stride2 = ROUND_UP_4 (w2);
h2 = DIV_ROUND_UP_X (height, pinfo->y_chroma_shift);
size2 = stride2 * h2;
picture->data[0] = ptr;
picture->data[1] = picture->data[0] + size;
picture->data[2] = picture->data[1] + size2;
picture->data[3] = picture->data[2] + size2;
picture->linesize[0] = stride;
picture->linesize[1] = stride2;
picture->linesize[2] = stride2;
picture->linesize[3] = stride;
GST_DEBUG ("planes %d %d %d %d", 0, size, size + size2, size + 2 * size2);
GST_DEBUG ("strides %d %d %d %d", stride, stride2, stride2, stride);
return 2 * size + 2 * size2;
case AV_PIX_FMT_RGB24:
case AV_PIX_FMT_BGR24:
stride = ROUND_UP_4 (width * 3);
size = stride * height;
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->data[3] = NULL;
picture->linesize[0] = stride;
picture->linesize[1] = 0;
picture->linesize[2] = 0;
picture->linesize[3] = 0;
return size;
/*case AV_PIX_FMT_AYUV4444:
case AV_PIX_FMT_BGR32:
case AV_PIX_FMT_BGRA32:
case AV_PIX_FMT_RGB32: */
case AV_PIX_FMT_RGB32:
stride = width * 4;
size = stride * height;
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->data[3] = NULL;
picture->linesize[0] = stride;
picture->linesize[1] = 0;
picture->linesize[2] = 0;
picture->linesize[3] = 0;
return size;
case AV_PIX_FMT_RGB555:
case AV_PIX_FMT_RGB565:
case AV_PIX_FMT_YUYV422:
case AV_PIX_FMT_UYVY422:
stride = ROUND_UP_4 (width * 2);
size = stride * height;
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->data[3] = NULL;
picture->linesize[0] = stride;
picture->linesize[1] = 0;
picture->linesize[2] = 0;
picture->linesize[3] = 0;
return size;
case AV_PIX_FMT_UYYVYY411:
/* FIXME, probably not the right stride */
stride = ROUND_UP_4 (width);
size = stride * height;
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->data[3] = NULL;
picture->linesize[0] = width + width / 2;
picture->linesize[1] = 0;
picture->linesize[2] = 0;
picture->linesize[3] = 0;
return size + size / 2;
case AV_PIX_FMT_GRAY8:
stride = ROUND_UP_4 (width);
size = stride * height;
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->data[3] = NULL;
picture->linesize[0] = stride;
picture->linesize[1] = 0;
picture->linesize[2] = 0;
picture->linesize[3] = 0;
return size;
case AV_PIX_FMT_MONOWHITE:
case AV_PIX_FMT_MONOBLACK:
stride = ROUND_UP_4 ((width + 7) >> 3);
size = stride * height;
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->data[3] = NULL;
picture->linesize[0] = stride;
picture->linesize[1] = 0;
picture->linesize[2] = 0;
picture->linesize[3] = 0;
return size;
case AV_PIX_FMT_PAL8:
/* already forced to be with stride, so same result as other function */
stride = ROUND_UP_4 (width);
size = stride * height;
picture->data[0] = ptr;
picture->data[1] = ptr + size; /* palette is stored here as 256 32 bit words */
picture->data[2] = NULL;
picture->data[3] = NULL;
picture->linesize[0] = stride;
picture->linesize[1] = 4;
picture->linesize[2] = 0;
picture->linesize[3] = 0;
return size + 256 * 4;
default:
picture->data[0] = NULL;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->data[3] = NULL;
return -1;
}
return 0;
}
/* Create a GstBuffer of the requested size and caps.
* The memory will be allocated by ffmpeg, making sure it's properly aligned
* for any processing. */
GstBuffer *
new_aligned_buffer (gint size)
{
GstBuffer *buf;
guint8 *data;
data = av_malloc (size);
buf = gst_buffer_new ();
gst_buffer_append_memory (buf,
gst_memory_new_wrapped (0, data, size, 0, size, data, av_free));
return buf;
}
int
gst_ffmpeg_auto_max_threads (void)
{
static gsize n_threads = 0;
if (g_once_init_enter (&n_threads)) {
int n = 1;
#if defined(_WIN32)
{
const char *s = getenv ("NUMBER_OF_PROCESSORS");
if (s) {
n = atoi (s);
}
}
#elif defined(__APPLE__)
{
int mib[] = { CTL_HW, HW_NCPU };
size_t dataSize = sizeof (int);
if (sysctl (mib, 2, &n, &dataSize, NULL, 0)) {
n = 1;
}
}
#else
n = sysconf (_SC_NPROCESSORS_CONF);
#endif
if (n < 1)
n = 1;
g_once_init_leave (&n_threads, n);
}
return (int) (n_threads);
}
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