mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-26 17:32:06 +00:00
297 lines
9.3 KiB
C
297 lines
9.3 KiB
C
/*
|
|
* YUV4MPEG muxer
|
|
* Copyright (c) 2001, 2002, 2003 Fabrice Bellard
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg 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.
|
|
*
|
|
* FFmpeg 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 FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "libavutil/pixdesc.h"
|
|
#include "avformat.h"
|
|
#include "internal.h"
|
|
#include "mux.h"
|
|
#include "yuv4mpeg.h"
|
|
|
|
static int yuv4_write_header(AVFormatContext *s)
|
|
{
|
|
AVStream *st;
|
|
AVIOContext *pb = s->pb;
|
|
int width, height;
|
|
int raten, rated, aspectn, aspectd, ret;
|
|
char inter;
|
|
const char *colorspace = "";
|
|
const char *colorrange = "";
|
|
int field_order;
|
|
|
|
st = s->streams[0];
|
|
width = st->codecpar->width;
|
|
height = st->codecpar->height;
|
|
field_order = st->codecpar->field_order;
|
|
|
|
// TODO: should be avg_frame_rate
|
|
av_reduce(&raten, &rated, st->time_base.den,
|
|
st->time_base.num, (1UL << 31) - 1);
|
|
|
|
aspectn = st->sample_aspect_ratio.num;
|
|
aspectd = st->sample_aspect_ratio.den;
|
|
|
|
if (aspectn == 0 && aspectd == 1)
|
|
aspectd = 0; // 0:0 means unknown
|
|
|
|
switch(st->codecpar->color_range) {
|
|
case AVCOL_RANGE_MPEG:
|
|
colorrange = " XCOLORRANGE=LIMITED";
|
|
break;
|
|
case AVCOL_RANGE_JPEG:
|
|
colorrange = " XCOLORRANGE=FULL";
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
switch (field_order) {
|
|
case AV_FIELD_TB:
|
|
case AV_FIELD_TT: inter = 't'; break;
|
|
case AV_FIELD_BT:
|
|
case AV_FIELD_BB: inter = 'b'; break;
|
|
default: inter = 'p'; break;
|
|
}
|
|
|
|
switch (st->codecpar->format) {
|
|
case AV_PIX_FMT_GRAY8:
|
|
colorspace = " Cmono";
|
|
break;
|
|
case AV_PIX_FMT_GRAY9:
|
|
colorspace = " Cmono9";
|
|
break;
|
|
case AV_PIX_FMT_GRAY10:
|
|
colorspace = " Cmono10";
|
|
break;
|
|
case AV_PIX_FMT_GRAY12:
|
|
colorspace = " Cmono12";
|
|
break;
|
|
case AV_PIX_FMT_GRAY16:
|
|
colorspace = " Cmono16";
|
|
break;
|
|
case AV_PIX_FMT_YUV411P:
|
|
colorspace = " C411 XYSCSS=411";
|
|
break;
|
|
case AV_PIX_FMT_YUVJ420P:
|
|
colorspace = " C420jpeg XYSCSS=420JPEG";
|
|
colorrange = " XCOLORRANGE=FULL";
|
|
break;
|
|
case AV_PIX_FMT_YUVJ422P:
|
|
colorspace = " C422 XYSCSS=422";
|
|
colorrange = " XCOLORRANGE=FULL";
|
|
break;
|
|
case AV_PIX_FMT_YUVJ444P:
|
|
colorspace = " C444 XYSCSS=444";
|
|
colorrange = " XCOLORRANGE=FULL";
|
|
break;
|
|
case AV_PIX_FMT_YUV420P:
|
|
switch (st->codecpar->chroma_location) {
|
|
case AVCHROMA_LOC_TOPLEFT: colorspace = " C420paldv XYSCSS=420PALDV"; break;
|
|
case AVCHROMA_LOC_LEFT: colorspace = " C420mpeg2 XYSCSS=420MPEG2"; break;
|
|
default: colorspace = " C420jpeg XYSCSS=420JPEG"; break;
|
|
}
|
|
break;
|
|
case AV_PIX_FMT_YUV422P:
|
|
colorspace = " C422 XYSCSS=422";
|
|
break;
|
|
case AV_PIX_FMT_YUV444P:
|
|
colorspace = " C444 XYSCSS=444";
|
|
break;
|
|
case AV_PIX_FMT_YUVA444P:
|
|
colorspace = " C444alpha XYSCSS=444";
|
|
break;
|
|
case AV_PIX_FMT_YUV420P9:
|
|
colorspace = " C420p9 XYSCSS=420P9";
|
|
break;
|
|
case AV_PIX_FMT_YUV422P9:
|
|
colorspace = " C422p9 XYSCSS=422P9";
|
|
break;
|
|
case AV_PIX_FMT_YUV444P9:
|
|
colorspace = " C444p9 XYSCSS=444P9";
|
|
break;
|
|
case AV_PIX_FMT_YUV420P10:
|
|
colorspace = " C420p10 XYSCSS=420P10";
|
|
break;
|
|
case AV_PIX_FMT_YUV422P10:
|
|
colorspace = " C422p10 XYSCSS=422P10";
|
|
break;
|
|
case AV_PIX_FMT_YUV444P10:
|
|
colorspace = " C444p10 XYSCSS=444P10";
|
|
break;
|
|
case AV_PIX_FMT_YUV420P12:
|
|
colorspace = " C420p12 XYSCSS=420P12";
|
|
break;
|
|
case AV_PIX_FMT_YUV422P12:
|
|
colorspace = " C422p12 XYSCSS=422P12";
|
|
break;
|
|
case AV_PIX_FMT_YUV444P12:
|
|
colorspace = " C444p12 XYSCSS=444P12";
|
|
break;
|
|
case AV_PIX_FMT_YUV420P14:
|
|
colorspace = " C420p14 XYSCSS=420P14";
|
|
break;
|
|
case AV_PIX_FMT_YUV422P14:
|
|
colorspace = " C422p14 XYSCSS=422P14";
|
|
break;
|
|
case AV_PIX_FMT_YUV444P14:
|
|
colorspace = " C444p14 XYSCSS=444P14";
|
|
break;
|
|
case AV_PIX_FMT_YUV420P16:
|
|
colorspace = " C420p16 XYSCSS=420P16";
|
|
break;
|
|
case AV_PIX_FMT_YUV422P16:
|
|
colorspace = " C422p16 XYSCSS=422P16";
|
|
break;
|
|
case AV_PIX_FMT_YUV444P16:
|
|
colorspace = " C444p16 XYSCSS=444P16";
|
|
break;
|
|
}
|
|
|
|
ret = avio_printf(pb, Y4M_MAGIC " W%d H%d F%d:%d I%c A%d:%d%s%s\n",
|
|
width, height, raten, rated, inter,
|
|
aspectn, aspectd, colorspace, colorrange);
|
|
if (ret < 0) {
|
|
av_log(s, AV_LOG_ERROR,
|
|
"Error. YUV4MPEG stream header write failed.\n");
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
|
|
{
|
|
AVStream *st = s->streams[pkt->stream_index];
|
|
AVIOContext *pb = s->pb;
|
|
const AVFrame *frame = (const AVFrame *)pkt->data;
|
|
int width, height;
|
|
const AVPixFmtDescriptor *desc;
|
|
|
|
/* construct frame header */
|
|
|
|
avio_printf(s->pb, Y4M_FRAME_MAGIC "\n");
|
|
|
|
width = st->codecpar->width;
|
|
height = st->codecpar->height;
|
|
desc = av_pix_fmt_desc_get(st->codecpar->format);
|
|
|
|
/* The following code presumes all planes to be non-interleaved. */
|
|
for (int k = 0; k < desc->nb_components; k++) {
|
|
int plane_height = height, plane_width = width;
|
|
const uint8_t *ptr = frame->data[k];
|
|
|
|
if (desc->nb_components >= 3 && (k == 1 || k == 2)) { /* chroma? */
|
|
plane_width = AV_CEIL_RSHIFT(plane_width, desc->log2_chroma_w);
|
|
plane_height = AV_CEIL_RSHIFT(plane_height, desc->log2_chroma_h);
|
|
}
|
|
plane_width *= desc->comp[k].step;
|
|
|
|
for (int i = 0; i < plane_height; i++) {
|
|
avio_write(pb, ptr, plane_width);
|
|
ptr += frame->linesize[k];
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int yuv4_init(AVFormatContext *s)
|
|
{
|
|
if (s->nb_streams != 1)
|
|
return AVERROR(EIO);
|
|
|
|
if (s->streams[0]->codecpar->codec_id != AV_CODEC_ID_WRAPPED_AVFRAME) {
|
|
av_log(s, AV_LOG_ERROR, "ERROR: Codec not supported.\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
switch (s->streams[0]->codecpar->format) {
|
|
case AV_PIX_FMT_YUV411P:
|
|
av_log(s, AV_LOG_WARNING, "Warning: generating rarely used 4:1:1 YUV "
|
|
"stream, some mjpegtools might not work.\n");
|
|
break;
|
|
case AV_PIX_FMT_GRAY8:
|
|
case AV_PIX_FMT_YUV420P:
|
|
case AV_PIX_FMT_YUV422P:
|
|
case AV_PIX_FMT_YUV444P:
|
|
// TODO: remove YUVJ pixel formats when they are completely removed from the codebase.
|
|
case AV_PIX_FMT_YUVJ420P:
|
|
case AV_PIX_FMT_YUVJ422P:
|
|
case AV_PIX_FMT_YUVJ444P:
|
|
break;
|
|
case AV_PIX_FMT_GRAY9:
|
|
case AV_PIX_FMT_GRAY10:
|
|
case AV_PIX_FMT_GRAY12:
|
|
case AV_PIX_FMT_GRAY16:
|
|
case AV_PIX_FMT_YUV420P9:
|
|
case AV_PIX_FMT_YUV422P9:
|
|
case AV_PIX_FMT_YUV444P9:
|
|
case AV_PIX_FMT_YUV420P10:
|
|
case AV_PIX_FMT_YUV422P10:
|
|
case AV_PIX_FMT_YUV444P10:
|
|
case AV_PIX_FMT_YUV420P12:
|
|
case AV_PIX_FMT_YUV422P12:
|
|
case AV_PIX_FMT_YUV444P12:
|
|
case AV_PIX_FMT_YUV420P14:
|
|
case AV_PIX_FMT_YUV422P14:
|
|
case AV_PIX_FMT_YUV444P14:
|
|
case AV_PIX_FMT_YUV420P16:
|
|
case AV_PIX_FMT_YUV422P16:
|
|
case AV_PIX_FMT_YUV444P16:
|
|
case AV_PIX_FMT_YUVA444P:
|
|
if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
|
|
av_log(s, AV_LOG_ERROR, "'%s' is not an official yuv4mpegpipe pixel format. "
|
|
"Use '-strict -1' to encode to this pixel format.\n",
|
|
av_get_pix_fmt_name(s->streams[0]->codecpar->format));
|
|
return AVERROR(EINVAL);
|
|
}
|
|
av_log(s, AV_LOG_WARNING, "Warning: generating non standard YUV stream. "
|
|
"Mjpegtools will not work.\n");
|
|
break;
|
|
default:
|
|
av_log(s, AV_LOG_ERROR, "ERROR: yuv4mpeg can only handle "
|
|
"yuv444p, yuv422p, yuv420p, yuv411p and gray8 pixel formats. "
|
|
"And using 'strict -1' also yuv444p9, yuv422p9, yuv420p9, "
|
|
"yuv444p10, yuv422p10, yuv420p10, "
|
|
"yuv444p12, yuv422p12, yuv420p12, "
|
|
"yuv444p14, yuv422p14, yuv420p14, "
|
|
"yuv444p16, yuv422p16, yuv420p16, "
|
|
"yuva444p, "
|
|
"gray9, gray10, gray12 "
|
|
"and gray16 pixel formats. "
|
|
"Use -pix_fmt to select one.\n");
|
|
return AVERROR(EIO);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
const FFOutputFormat ff_yuv4mpegpipe_muxer = {
|
|
.p.name = "yuv4mpegpipe",
|
|
.p.long_name = NULL_IF_CONFIG_SMALL("YUV4MPEG pipe"),
|
|
.p.extensions = "y4m",
|
|
.p.audio_codec = AV_CODEC_ID_NONE,
|
|
.p.video_codec = AV_CODEC_ID_WRAPPED_AVFRAME,
|
|
.init = yuv4_init,
|
|
.write_header = yuv4_write_header,
|
|
.write_packet = yuv4_write_packet,
|
|
};
|