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Diffstat (limited to 'libavformat/yuv4mpegenc.c')
-rw-r--r--libavformat/yuv4mpegenc.c163
1 files changed, 144 insertions, 19 deletions
diff --git a/libavformat/yuv4mpegenc.c b/libavformat/yuv4mpegenc.c
index 8721c21227..b4dc6e9ef6 100644
--- a/libavformat/yuv4mpegenc.c
+++ b/libavformat/yuv4mpegenc.c
@@ -2,20 +2,20 @@
* YUV4MPEG muxer
* Copyright (c) 2001, 2002, 2003 Fabrice Bellard
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -33,10 +33,12 @@ static int yuv4_generate_header(AVFormatContext *s, char* buf)
int raten, rated, aspectn, aspectd, n;
char inter;
const char *colorspace = "";
+ 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,
@@ -48,8 +50,17 @@ static int yuv4_generate_header(AVFormatContext *s, char* buf)
if (aspectn == 0 && aspectd == 1)
aspectd = 0; // 0:0 means unknown
- switch (st->codecpar->field_order) {
+#if FF_API_LAVF_AVCTX
+ FF_DISABLE_DEPRECATION_WARNINGS
+ if (field_order != st->codec->field_order && st->codec->field_order != AV_FIELD_UNKNOWN)
+ field_order = st->codec->field_order;
+ FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+ 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;
}
@@ -58,6 +69,9 @@ static int yuv4_generate_header(AVFormatContext *s, char* buf)
case AV_PIX_FMT_GRAY8:
colorspace = " Cmono";
break;
+ case AV_PIX_FMT_GRAY16:
+ colorspace = " Cmono16";
+ break;
case AV_PIX_FMT_YUV411P:
colorspace = " C411 XYSCSS=411";
break;
@@ -74,6 +88,51 @@ static int yuv4_generate_header(AVFormatContext *s, char* buf)
case AV_PIX_FMT_YUV444P:
colorspace = " C444 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;
}
/* construct stream header, if this is the first frame */
@@ -93,7 +152,6 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
int width, height, h_chroma_shift, v_chroma_shift;
int i;
char buf2[Y4M_LINE_MAX + 1];
- char buf1[20];
uint8_t *ptr, *ptr1, *ptr2;
frame = (AVFrame *)pkt->data;
@@ -112,24 +170,56 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
/* construct frame header */
- snprintf(buf1, sizeof(buf1), "%s\n", Y4M_FRAME_MAGIC);
- avio_write(pb, buf1, strlen(buf1));
+ avio_printf(s->pb, "%s\n", Y4M_FRAME_MAGIC);
width = st->codecpar->width;
height = st->codecpar->height;
ptr = frame->data[0];
+
+ switch (st->codecpar->format) {
+ case AV_PIX_FMT_GRAY8:
+ case AV_PIX_FMT_YUV411P:
+ case AV_PIX_FMT_YUV420P:
+ case AV_PIX_FMT_YUV422P:
+ case AV_PIX_FMT_YUV444P:
+ break;
+ 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:
+ width *= 2;
+ break;
+ default:
+ av_log(s, AV_LOG_ERROR, "The pixel format '%s' is not supported.\n",
+ av_get_pix_fmt_name(st->codecpar->format));
+ return AVERROR(EINVAL);
+ }
+
for (i = 0; i < height; i++) {
avio_write(pb, ptr, width);
ptr += frame->linesize[0];
}
- if (st->codecpar->format != AV_PIX_FMT_GRAY8) {
+ if (st->codecpar->format != AV_PIX_FMT_GRAY8 &&
+ st->codecpar->format != AV_PIX_FMT_GRAY16) {
// Adjust for smaller Cb and Cr planes
av_pix_fmt_get_chroma_sub_sample(st->codecpar->format, &h_chroma_shift,
&v_chroma_shift);
// Shift right, rounding up
- width = AV_CEIL_RSHIFT(width, h_chroma_shift);
+ width = AV_CEIL_RSHIFT(width, h_chroma_shift);
height = AV_CEIL_RSHIFT(height, v_chroma_shift);
ptr1 = frame->data[1];
@@ -143,6 +233,7 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
ptr2 += frame->linesize[2];
}
}
+
return 0;
}
@@ -158,15 +249,50 @@ static int yuv4_write_header(AVFormatContext *s)
return AVERROR_INVALIDDATA;
}
- if (s->streams[0]->codecpar->format == AV_PIX_FMT_YUV411P) {
- av_log(s, AV_LOG_ERROR, "Warning: generating rarely used 4:1:1 YUV "
+ 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");
- } else if ((s->streams[0]->codecpar->format != AV_PIX_FMT_YUV420P) &&
- (s->streams[0]->codecpar->format != AV_PIX_FMT_YUV422P) &&
- (s->streams[0]->codecpar->format != AV_PIX_FMT_GRAY8) &&
- (s->streams[0]->codecpar->format != AV_PIX_FMT_YUV444P)) {
- av_log(s, AV_LOG_ERROR, "ERROR: yuv4mpeg only handles yuv444p, "
- "yuv422p, yuv420p, yuv411p and gray pixel formats. "
+ break;
+ case AV_PIX_FMT_GRAY8:
+ case AV_PIX_FMT_GRAY16:
+ case AV_PIX_FMT_YUV420P:
+ case AV_PIX_FMT_YUV422P:
+ case AV_PIX_FMT_YUV444P:
+ break;
+ 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:
+ 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 "
+ "and gray16 pixel formats. "
"Use -pix_fmt to select one.\n");
return AVERROR(EIO);
}
@@ -178,7 +304,6 @@ static int yuv4_write_header(AVFormatContext *s)
AVOutputFormat ff_yuv4mpegpipe_muxer = {
.name = "yuv4mpegpipe",
.long_name = NULL_IF_CONFIG_SMALL("YUV4MPEG pipe"),
- .mime_type = "",
.extensions = "y4m",
.priv_data_size = sizeof(int),
.audio_codec = AV_CODEC_ID_NONE,
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-13 12:52:06 +0000