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Sweden-Number/dlls/winegstreamer/wg_format.c

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/*
* GStreamer format helpers
*
* Copyright 2010 Maarten Lankhorst for CodeWeavers
* Copyright 2010 Aric Stewart for CodeWeavers
* Copyright 2019-2020 Zebediah Figura
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#if 0
#pragma makedep unix
#endif
#include "config.h"
#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/audio/audio.h>
#include "winternl.h"
#include "dshow.h"
#include "unix_private.h"
GST_DEBUG_CATEGORY_EXTERN(wine);
#define GST_CAT_DEFAULT wine
static enum wg_audio_format wg_audio_format_from_gst(GstAudioFormat format)
{
switch (format)
{
case GST_AUDIO_FORMAT_U8:
return WG_AUDIO_FORMAT_U8;
case GST_AUDIO_FORMAT_S16LE:
return WG_AUDIO_FORMAT_S16LE;
case GST_AUDIO_FORMAT_S24LE:
return WG_AUDIO_FORMAT_S24LE;
case GST_AUDIO_FORMAT_S32LE:
return WG_AUDIO_FORMAT_S32LE;
case GST_AUDIO_FORMAT_F32LE:
return WG_AUDIO_FORMAT_F32LE;
case GST_AUDIO_FORMAT_F64LE:
return WG_AUDIO_FORMAT_F64LE;
default:
return WG_AUDIO_FORMAT_UNKNOWN;
}
}
static uint32_t wg_channel_position_from_gst(GstAudioChannelPosition position)
{
static const uint32_t position_map[] =
{
SPEAKER_FRONT_LEFT,
SPEAKER_FRONT_RIGHT,
SPEAKER_FRONT_CENTER,
SPEAKER_LOW_FREQUENCY,
SPEAKER_BACK_LEFT,
SPEAKER_BACK_RIGHT,
SPEAKER_FRONT_LEFT_OF_CENTER,
SPEAKER_FRONT_RIGHT_OF_CENTER,
SPEAKER_BACK_CENTER,
0,
SPEAKER_SIDE_LEFT,
SPEAKER_SIDE_RIGHT,
SPEAKER_TOP_FRONT_LEFT,
SPEAKER_TOP_FRONT_RIGHT,
SPEAKER_TOP_FRONT_CENTER,
SPEAKER_TOP_CENTER,
SPEAKER_TOP_BACK_LEFT,
SPEAKER_TOP_BACK_RIGHT,
0,
0,
SPEAKER_TOP_BACK_CENTER,
};
if (position == GST_AUDIO_CHANNEL_POSITION_MONO)
return SPEAKER_FRONT_CENTER;
if (position >= 0 && position < ARRAY_SIZE(position_map))
return position_map[position];
return 0;
}
static uint32_t wg_channel_mask_from_gst(const GstAudioInfo *info)
{
uint32_t mask = 0, position;
unsigned int i;
for (i = 0; i < GST_AUDIO_INFO_CHANNELS(info); ++i)
{
if (!(position = wg_channel_position_from_gst(GST_AUDIO_INFO_POSITION(info, i))))
{
GST_WARNING("Unsupported channel %#x.", GST_AUDIO_INFO_POSITION(info, i));
return 0;
}
/* Make sure it's also in WinMM order. WinMM mandates that channels be
* ordered, as it were, from least to most significant SPEAKER_* bit.
* Hence we fail if the current channel was already specified, or if any
* higher bit was already specified. */
if (mask & ~(position - 1))
{
GST_WARNING("Unsupported channel order.");
return 0;
}
mask |= position;
}
return mask;
}
static void wg_format_from_audio_info(struct wg_format *format, const GstAudioInfo *info)
{
format->major_type = WG_MAJOR_TYPE_AUDIO;
format->u.audio.format = wg_audio_format_from_gst(GST_AUDIO_INFO_FORMAT(info));
format->u.audio.channels = GST_AUDIO_INFO_CHANNELS(info);
format->u.audio.channel_mask = wg_channel_mask_from_gst(info);
format->u.audio.rate = GST_AUDIO_INFO_RATE(info);
}
static enum wg_video_format wg_video_format_from_gst(GstVideoFormat format)
{
switch (format)
{
case GST_VIDEO_FORMAT_BGRA:
return WG_VIDEO_FORMAT_BGRA;
case GST_VIDEO_FORMAT_BGRx:
return WG_VIDEO_FORMAT_BGRx;
case GST_VIDEO_FORMAT_BGR:
return WG_VIDEO_FORMAT_BGR;
case GST_VIDEO_FORMAT_RGB15:
return WG_VIDEO_FORMAT_RGB15;
case GST_VIDEO_FORMAT_RGB16:
return WG_VIDEO_FORMAT_RGB16;
case GST_VIDEO_FORMAT_AYUV:
return WG_VIDEO_FORMAT_AYUV;
case GST_VIDEO_FORMAT_I420:
return WG_VIDEO_FORMAT_I420;
case GST_VIDEO_FORMAT_NV12:
return WG_VIDEO_FORMAT_NV12;
case GST_VIDEO_FORMAT_UYVY:
return WG_VIDEO_FORMAT_UYVY;
case GST_VIDEO_FORMAT_YUY2:
return WG_VIDEO_FORMAT_YUY2;
case GST_VIDEO_FORMAT_YV12:
return WG_VIDEO_FORMAT_YV12;
case GST_VIDEO_FORMAT_YVYU:
return WG_VIDEO_FORMAT_YVYU;
default:
return WG_VIDEO_FORMAT_UNKNOWN;
}
}
static void wg_format_from_video_info(struct wg_format *format, const GstVideoInfo *info)
{
format->major_type = WG_MAJOR_TYPE_VIDEO;
format->u.video.format = wg_video_format_from_gst(GST_VIDEO_INFO_FORMAT(info));
format->u.video.width = GST_VIDEO_INFO_WIDTH(info);
format->u.video.height = GST_VIDEO_INFO_HEIGHT(info);
format->u.video.fps_n = GST_VIDEO_INFO_FPS_N(info);
format->u.video.fps_d = GST_VIDEO_INFO_FPS_D(info);
}
static void wg_format_from_caps_audio_mpeg(struct wg_format *format, const GstCaps *caps)
{
const GstStructure *structure = gst_caps_get_structure(caps, 0);
gint layer, channels, rate;
if (!gst_structure_get_int(structure, "layer", &layer))
{
GST_WARNING("Missing \"layer\" value.");
return;
}
if (!gst_structure_get_int(structure, "channels", &channels))
{
GST_WARNING("Missing \"channels\" value.");
return;
}
if (!gst_structure_get_int(structure, "rate", &rate))
{
GST_WARNING("Missing \"rate\" value.");
return;
}
format->major_type = WG_MAJOR_TYPE_AUDIO;
if (layer == 1)
format->u.audio.format = WG_AUDIO_FORMAT_MPEG1_LAYER1;
else if (layer == 2)
format->u.audio.format = WG_AUDIO_FORMAT_MPEG1_LAYER2;
else if (layer == 3)
format->u.audio.format = WG_AUDIO_FORMAT_MPEG1_LAYER3;
format->u.audio.channels = channels;
format->u.audio.rate = rate;
}
static void wg_format_from_caps_video_cinepak(struct wg_format *format, const GstCaps *caps)
{
const GstStructure *structure = gst_caps_get_structure(caps, 0);
gint width, height, fps_n, fps_d;
if (!gst_structure_get_int(structure, "width", &width))
{
GST_WARNING("Missing \"width\" value.");
return;
}
if (!gst_structure_get_int(structure, "height", &height))
{
GST_WARNING("Missing \"height\" value.");
return;
}
if (!gst_structure_get_fraction(structure, "framerate", &fps_n, &fps_d))
{
fps_n = 0;
fps_d = 1;
}
format->major_type = WG_MAJOR_TYPE_VIDEO;
format->u.video.format = WG_VIDEO_FORMAT_CINEPAK;
format->u.video.width = width;
format->u.video.height = height;
format->u.video.fps_n = fps_n;
format->u.video.fps_d = fps_d;
}
void wg_format_from_caps(struct wg_format *format, const GstCaps *caps)
{
const GstStructure *structure = gst_caps_get_structure(caps, 0);
const char *name = gst_structure_get_name(structure);
memset(format, 0, sizeof(*format));
if (!strcmp(name, "audio/x-raw"))
{
GstAudioInfo info;
if (gst_audio_info_from_caps(&info, caps))
wg_format_from_audio_info(format, &info);
}
else if (!strcmp(name, "video/x-raw"))
{
GstVideoInfo info;
if (gst_video_info_from_caps(&info, caps))
wg_format_from_video_info(format, &info);
}
else if (!strcmp(name, "audio/mpeg"))
{
wg_format_from_caps_audio_mpeg(format, caps);
}
else if (!strcmp(name, "video/x-cinepak"))
{
wg_format_from_caps_video_cinepak(format, caps);
}
else
{
gchar *str = gst_caps_to_string(caps);
GST_FIXME("Unhandled caps %s.", str);
g_free(str);
}
}
static GstAudioFormat wg_audio_format_to_gst(enum wg_audio_format format)
{
switch (format)
{
case WG_AUDIO_FORMAT_U8: return GST_AUDIO_FORMAT_U8;
case WG_AUDIO_FORMAT_S16LE: return GST_AUDIO_FORMAT_S16LE;
case WG_AUDIO_FORMAT_S24LE: return GST_AUDIO_FORMAT_S24LE;
case WG_AUDIO_FORMAT_S32LE: return GST_AUDIO_FORMAT_S32LE;
case WG_AUDIO_FORMAT_F32LE: return GST_AUDIO_FORMAT_F32LE;
case WG_AUDIO_FORMAT_F64LE: return GST_AUDIO_FORMAT_F64LE;
default: return GST_AUDIO_FORMAT_UNKNOWN;
}
}
static void wg_channel_mask_to_gst(GstAudioChannelPosition *positions, uint32_t mask, uint32_t channel_count)
{
const uint32_t orig_mask = mask;
unsigned int i;
DWORD bit;
static const GstAudioChannelPosition position_map[] =
{
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
GST_AUDIO_CHANNEL_POSITION_LFE1,
GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER,
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER,
GST_AUDIO_CHANNEL_POSITION_REAR_CENTER,
GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT,
GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT,
GST_AUDIO_CHANNEL_POSITION_TOP_CENTER,
GST_AUDIO_CHANNEL_POSITION_TOP_FRONT_LEFT,
GST_AUDIO_CHANNEL_POSITION_TOP_FRONT_CENTER,
GST_AUDIO_CHANNEL_POSITION_TOP_FRONT_RIGHT,
GST_AUDIO_CHANNEL_POSITION_TOP_REAR_LEFT,
GST_AUDIO_CHANNEL_POSITION_TOP_REAR_CENTER,
GST_AUDIO_CHANNEL_POSITION_TOP_REAR_RIGHT,
};
for (i = 0; i < channel_count; ++i)
{
positions[i] = GST_AUDIO_CHANNEL_POSITION_NONE;
if (BitScanForward(&bit, mask))
{
if (bit < ARRAY_SIZE(position_map))
positions[i] = position_map[bit];
else
GST_WARNING("Invalid channel mask %#x.\n", orig_mask);
mask &= ~(1 << bit);
}
else
{
GST_WARNING("Incomplete channel mask %#x.\n", orig_mask);
}
}
}
static GstCaps *wg_format_to_caps_audio(const struct wg_format *format)
{
GstAudioChannelPosition positions[32];
GstAudioFormat audio_format;
GstAudioInfo info;
if ((audio_format = wg_audio_format_to_gst(format->u.audio.format)) == GST_AUDIO_FORMAT_UNKNOWN)
return NULL;
wg_channel_mask_to_gst(positions, format->u.audio.channel_mask, format->u.audio.channels);
gst_audio_info_set_format(&info, audio_format, format->u.audio.rate, format->u.audio.channels, positions);
return gst_audio_info_to_caps(&info);
}
static GstVideoFormat wg_video_format_to_gst(enum wg_video_format format)
{
switch (format)
{
case WG_VIDEO_FORMAT_BGRA: return GST_VIDEO_FORMAT_BGRA;
case WG_VIDEO_FORMAT_BGRx: return GST_VIDEO_FORMAT_BGRx;
case WG_VIDEO_FORMAT_BGR: return GST_VIDEO_FORMAT_BGR;
case WG_VIDEO_FORMAT_RGB15: return GST_VIDEO_FORMAT_RGB15;
case WG_VIDEO_FORMAT_RGB16: return GST_VIDEO_FORMAT_RGB16;
case WG_VIDEO_FORMAT_AYUV: return GST_VIDEO_FORMAT_AYUV;
case WG_VIDEO_FORMAT_I420: return GST_VIDEO_FORMAT_I420;
case WG_VIDEO_FORMAT_NV12: return GST_VIDEO_FORMAT_NV12;
case WG_VIDEO_FORMAT_UYVY: return GST_VIDEO_FORMAT_UYVY;
case WG_VIDEO_FORMAT_YUY2: return GST_VIDEO_FORMAT_YUY2;
case WG_VIDEO_FORMAT_YV12: return GST_VIDEO_FORMAT_YV12;
case WG_VIDEO_FORMAT_YVYU: return GST_VIDEO_FORMAT_YVYU;
default: return GST_VIDEO_FORMAT_UNKNOWN;
}
}
static GstCaps *wg_format_to_caps_video(const struct wg_format *format)
{
GstVideoFormat video_format;
GstVideoInfo info;
unsigned int i;
GstCaps *caps;
if ((video_format = wg_video_format_to_gst(format->u.video.format)) == GST_VIDEO_FORMAT_UNKNOWN)
return NULL;
gst_video_info_set_format(&info, video_format, format->u.video.width, abs(format->u.video.height));
if ((caps = gst_video_info_to_caps(&info)))
{
/* Clear some fields that shouldn't prevent us from connecting. */
for (i = 0; i < gst_caps_get_size(caps); ++i)
{
gst_structure_remove_fields(gst_caps_get_structure(caps, i),
"framerate", "pixel-aspect-ratio", "colorimetry", "chroma-site", NULL);
}
}
return caps;
}
GstCaps *wg_format_to_caps(const struct wg_format *format)
{
switch (format->major_type)
{
case WG_MAJOR_TYPE_UNKNOWN:
return NULL;
case WG_MAJOR_TYPE_AUDIO:
return wg_format_to_caps_audio(format);
case WG_MAJOR_TYPE_VIDEO:
return wg_format_to_caps_video(format);
}
assert(0);
return NULL;
}
bool wg_format_compare(const struct wg_format *a, const struct wg_format *b)
{
if (a->major_type != b->major_type)
return false;
switch (a->major_type)
{
case WG_MAJOR_TYPE_UNKNOWN:
return false;
case WG_MAJOR_TYPE_AUDIO:
return a->u.audio.format == b->u.audio.format
&& a->u.audio.channels == b->u.audio.channels
&& a->u.audio.rate == b->u.audio.rate;
case WG_MAJOR_TYPE_VIDEO:
/* Do not compare FPS. */
return a->u.video.format == b->u.video.format
&& a->u.video.width == b->u.video.width
&& abs(a->u.video.height) == abs(b->u.video.height);
}
assert(0);
return false;
}
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