mirror of https://github.com/mpv-player/mpv
320 lines
9.6 KiB
C
320 lines
9.6 KiB
C
/*
|
|
* This file is part of mpv.
|
|
*
|
|
* mpv is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* mpv 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with mpv. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
|
|
#include "options/m_option.h"
|
|
#include "options/options.h"
|
|
|
|
#include "stream/stream.h"
|
|
#include "demux.h"
|
|
#include "stheader.h"
|
|
#include "codec_tags.h"
|
|
|
|
#include "video/img_format.h"
|
|
#include "video/img_fourcc.h"
|
|
|
|
#include "osdep/endian.h"
|
|
|
|
struct demux_rawaudio_opts {
|
|
struct mp_chmap channels;
|
|
int samplerate;
|
|
int aformat;
|
|
};
|
|
|
|
// Ad-hoc schema to systematically encode the format as int
|
|
#define PCM(sign, is_float, bits, is_be) \
|
|
((sign) | ((is_float) << 1) | ((is_be) << 2) | ((bits) << 3))
|
|
#define NE (BYTE_ORDER == BIG_ENDIAN)
|
|
|
|
#define OPT_BASE_STRUCT struct demux_rawaudio_opts
|
|
const struct m_sub_options demux_rawaudio_conf = {
|
|
.opts = (const m_option_t[]) {
|
|
OPT_CHMAP("channels", channels, CONF_MIN, .min = 1),
|
|
OPT_INTRANGE("rate", samplerate, 0, 1000, 8 * 48000),
|
|
OPT_CHOICE("format", aformat, 0,
|
|
({"u8", PCM(0, 0, 8, 0)},
|
|
{"s8", PCM(1, 0, 8, 0)},
|
|
{"u16le", PCM(0, 0, 16, 0)}, {"u16be", PCM(0, 0, 16, 1)},
|
|
{"s16le", PCM(1, 0, 16, 0)}, {"u16be", PCM(1, 0, 16, 1)},
|
|
{"u24le", PCM(0, 0, 24, 0)}, {"u24be", PCM(0, 0, 24, 1)},
|
|
{"s24le", PCM(1, 0, 24, 0)}, {"s24be", PCM(1, 0, 24, 1)},
|
|
{"u32le", PCM(0, 0, 32, 0)}, {"u32be", PCM(0, 0, 32, 1)},
|
|
{"s32le", PCM(1, 0, 32, 0)}, {"s32be", PCM(1, 0, 32, 1)},
|
|
{"floatle", PCM(0, 1, 32, 0)}, {"floatbe", PCM(0, 1, 32, 1)},
|
|
{"doublele",PCM(0, 1, 64, 0)}, {"doublebe", PCM(0, 1, 64, 1)},
|
|
{"u16", PCM(0, 0, 16, NE)},
|
|
{"s16", PCM(1, 0, 16, NE)},
|
|
{"u24", PCM(0, 0, 24, NE)},
|
|
{"s24", PCM(1, 0, 24, NE)},
|
|
{"u32", PCM(0, 0, 32, NE)},
|
|
{"s32", PCM(1, 0, 32, NE)},
|
|
{"float", PCM(0, 1, 32, NE)},
|
|
{"double", PCM(0, 1, 64, NE)})),
|
|
{0}
|
|
},
|
|
.size = sizeof(struct demux_rawaudio_opts),
|
|
.defaults = &(const struct demux_rawaudio_opts){
|
|
// Note that currently, stream_cdda expects exactly these parameters!
|
|
.channels = MP_CHMAP_INIT_STEREO,
|
|
.samplerate = 44100,
|
|
.aformat = PCM(1, 0, 16, 0), // s16le
|
|
},
|
|
};
|
|
|
|
#undef PCM
|
|
#undef NE
|
|
|
|
struct demux_rawvideo_opts {
|
|
int vformat;
|
|
int mp_format;
|
|
char *codec;
|
|
int width;
|
|
int height;
|
|
float fps;
|
|
int imgsize;
|
|
};
|
|
|
|
#undef OPT_BASE_STRUCT
|
|
#define OPT_BASE_STRUCT struct demux_rawvideo_opts
|
|
const struct m_sub_options demux_rawvideo_conf = {
|
|
.opts = (const m_option_t[]) {
|
|
OPT_INTRANGE("w", width, 0, 1, 8192),
|
|
OPT_INTRANGE("h", height, 0, 1, 8192),
|
|
OPT_GENERAL(int, "format", vformat, 0, .type = &m_option_type_fourcc),
|
|
OPT_IMAGEFORMAT("mp-format", mp_format, 0),
|
|
OPT_STRING("codec", codec, 0),
|
|
OPT_FLOATRANGE("fps", fps, 0, 0.001, 1000),
|
|
OPT_INTRANGE("size", imgsize, 0, 1, 8192 * 8192 * 4),
|
|
{0}
|
|
},
|
|
.size = sizeof(struct demux_rawvideo_opts),
|
|
.defaults = &(const struct demux_rawvideo_opts){
|
|
.vformat = MP_FOURCC_I420,
|
|
.width = 1280,
|
|
.height = 720,
|
|
.fps = 25,
|
|
},
|
|
};
|
|
|
|
struct priv {
|
|
struct sh_stream *sh;
|
|
int frame_size;
|
|
int read_frames;
|
|
double frame_rate;
|
|
};
|
|
|
|
static int demux_rawaudio_open(demuxer_t *demuxer, enum demux_check check)
|
|
{
|
|
struct demux_rawaudio_opts *opts = demuxer->opts->demux_rawaudio;
|
|
|
|
if (check != DEMUX_CHECK_REQUEST && check != DEMUX_CHECK_FORCE)
|
|
return -1;
|
|
|
|
struct sh_stream *sh = demux_alloc_sh_stream(STREAM_AUDIO);
|
|
struct sh_audio *sh_audio = sh->audio;
|
|
sh_audio->channels = opts->channels;
|
|
sh_audio->force_channels = true;
|
|
sh_audio->samplerate = opts->samplerate;
|
|
|
|
int f = opts->aformat;
|
|
// See PCM(): sign float bits endian
|
|
mp_set_pcm_codec(sh, f & 1, f & 2, f >> 3, f & 4);
|
|
int samplesize = ((f >> 3) + 7) / 8;
|
|
|
|
demux_add_sh_stream(demuxer, sh);
|
|
|
|
struct priv *p = talloc_ptrtype(demuxer, p);
|
|
demuxer->priv = p;
|
|
*p = (struct priv) {
|
|
.sh = sh,
|
|
.frame_size = samplesize * sh_audio->channels.num,
|
|
.frame_rate = sh_audio->samplerate,
|
|
.read_frames = sh_audio->samplerate / 8,
|
|
};
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int demux_rawvideo_open(demuxer_t *demuxer, enum demux_check check)
|
|
{
|
|
struct demux_rawvideo_opts *opts = demuxer->opts->demux_rawvideo;
|
|
|
|
if (check != DEMUX_CHECK_REQUEST && check != DEMUX_CHECK_FORCE)
|
|
return -1;
|
|
|
|
int width = opts->width;
|
|
int height = opts->height;
|
|
|
|
if (!width || !height) {
|
|
MP_ERR(demuxer, "rawvideo: width or height not specified!\n");
|
|
return -1;
|
|
}
|
|
|
|
const char *decoder = "rawvideo";
|
|
int imgfmt = opts->vformat;
|
|
int imgsize = opts->imgsize;
|
|
if (opts->mp_format && !IMGFMT_IS_HWACCEL(opts->mp_format)) {
|
|
decoder = "mp-rawvideo";
|
|
imgfmt = opts->mp_format;
|
|
if (!imgsize) {
|
|
struct mp_imgfmt_desc desc = mp_imgfmt_get_desc(opts->mp_format);
|
|
for (int p = 0; p < desc.num_planes; p++) {
|
|
imgsize += ((width >> desc.xs[p]) * (height >> desc.ys[p]) *
|
|
desc.bpp[p] + 7) / 8;
|
|
}
|
|
}
|
|
} else if (opts->codec && opts->codec[0])
|
|
decoder = talloc_strdup(demuxer, opts->codec);
|
|
|
|
if (!imgsize) {
|
|
int bpp = 0;
|
|
switch (imgfmt) {
|
|
case MP_FOURCC_I420: case MP_FOURCC_IYUV:
|
|
case MP_FOURCC_NV12: case MP_FOURCC_NV21:
|
|
case MP_FOURCC_HM12:
|
|
case MP_FOURCC_YV12:
|
|
bpp = 12;
|
|
break;
|
|
case MP_FOURCC_RGB12: case MP_FOURCC_BGR12:
|
|
case MP_FOURCC_RGB15: case MP_FOURCC_BGR15:
|
|
case MP_FOURCC_RGB16: case MP_FOURCC_BGR16:
|
|
case MP_FOURCC_YUY2: case MP_FOURCC_UYVY:
|
|
bpp = 16;
|
|
break;
|
|
case MP_FOURCC_RGB8: case MP_FOURCC_BGR8:
|
|
case MP_FOURCC_Y800: case MP_FOURCC_Y8:
|
|
bpp = 8;
|
|
break;
|
|
case MP_FOURCC_RGB24: case MP_FOURCC_BGR24:
|
|
bpp = 24;
|
|
break;
|
|
case MP_FOURCC_RGB32: case MP_FOURCC_BGR32:
|
|
bpp = 32;
|
|
break;
|
|
}
|
|
if (!bpp) {
|
|
MP_ERR(demuxer, "rawvideo: img size not specified and unknown format!\n");
|
|
return -1;
|
|
}
|
|
imgsize = width * height * bpp / 8;
|
|
}
|
|
|
|
struct sh_stream *sh = demux_alloc_sh_stream(STREAM_VIDEO);
|
|
struct sh_video *sh_video = sh->video;
|
|
sh->codec = decoder;
|
|
sh->codec_tag = imgfmt;
|
|
sh_video->fps = opts->fps;
|
|
sh_video->disp_w = width;
|
|
sh_video->disp_h = height;
|
|
demux_add_sh_stream(demuxer, sh);
|
|
|
|
struct priv *p = talloc_ptrtype(demuxer, p);
|
|
demuxer->priv = p;
|
|
*p = (struct priv) {
|
|
.sh = sh,
|
|
.frame_size = imgsize,
|
|
.frame_rate = sh_video->fps,
|
|
.read_frames = 1,
|
|
};
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int raw_fill_buffer(demuxer_t *demuxer)
|
|
{
|
|
struct priv *p = demuxer->priv;
|
|
|
|
if (demuxer->stream->eof)
|
|
return 0;
|
|
|
|
struct demux_packet *dp = new_demux_packet(p->frame_size * p->read_frames);
|
|
if (!dp) {
|
|
MP_ERR(demuxer, "Can't read packet.\n");
|
|
return 1;
|
|
}
|
|
|
|
dp->pos = stream_tell(demuxer->stream);
|
|
dp->pts = (dp->pos / p->frame_size) / p->frame_rate;
|
|
|
|
int len = stream_read(demuxer->stream, dp->buffer, dp->len);
|
|
demux_packet_shorten(dp, len);
|
|
demux_add_packet(p->sh, dp);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void raw_seek(demuxer_t *demuxer, double rel_seek_secs, int flags)
|
|
{
|
|
struct priv *p = demuxer->priv;
|
|
stream_t *s = demuxer->stream;
|
|
int64_t end = 0;
|
|
stream_control(s, STREAM_CTRL_GET_SIZE, &end);
|
|
int64_t pos = (flags & SEEK_ABSOLUTE) ? 0 : stream_tell(s);
|
|
if (flags & SEEK_FACTOR)
|
|
pos += end * rel_seek_secs;
|
|
else
|
|
pos += rel_seek_secs * p->frame_rate * p->frame_size;
|
|
if (pos < 0)
|
|
pos = 0;
|
|
if (end && pos > end)
|
|
pos = end;
|
|
stream_seek(s, (pos / p->frame_size) * p->frame_size);
|
|
}
|
|
|
|
static int raw_control(demuxer_t *demuxer, int cmd, void *arg)
|
|
{
|
|
struct priv *p = demuxer->priv;
|
|
|
|
switch (cmd) {
|
|
case DEMUXER_CTRL_GET_TIME_LENGTH: {
|
|
stream_t *s = demuxer->stream;
|
|
int64_t end = 0;
|
|
if (stream_control(s, STREAM_CTRL_GET_SIZE, &end) != STREAM_OK)
|
|
return DEMUXER_CTRL_DONTKNOW;
|
|
|
|
*((double *) arg) = (end / p->frame_size) / p->frame_rate;
|
|
return DEMUXER_CTRL_OK;
|
|
}
|
|
default:
|
|
return DEMUXER_CTRL_NOTIMPL;
|
|
}
|
|
}
|
|
|
|
const demuxer_desc_t demuxer_desc_rawaudio = {
|
|
.name = "rawaudio",
|
|
.desc = "Uncompressed audio",
|
|
.open = demux_rawaudio_open,
|
|
.fill_buffer = raw_fill_buffer,
|
|
.seek = raw_seek,
|
|
.control = raw_control,
|
|
};
|
|
|
|
const demuxer_desc_t demuxer_desc_rawvideo = {
|
|
.name = "rawvideo",
|
|
.desc = "Uncompressed video",
|
|
.open = demux_rawvideo_open,
|
|
.fill_buffer = raw_fill_buffer,
|
|
.seek = raw_seek,
|
|
.control = raw_control,
|
|
};
|