[FFmpeg-devel] [PATCH] yuv4mpeg: support 9/10/16 bit pixel formats
Jean First
jeanfirst at gmail.com
Mon May 7 16:29:07 CEST 2012
it's not mentioned in the specification on http://linux.die.net/man/5/yuv4mpeg
but it would be nice if ffmepg could support it in order to join higher bit depth
files with the yuv4mpegpipe. ffmpeg will also print a warning when encoding to
non standart bit depths.
creating a ffyuv4mpeg like Compn suggested on http://multimedia.cx/eggs/yuv4mpeg2-origin/
would be the other option.
Signed-off-by: Jean First <jeanfirst at gmail.com>
---
libavformat/yuv4mpeg.c | 144 +++++++++++++++++++++++++++++++++++++++++++-----
1 file changed, 130 insertions(+), 14 deletions(-)
diff --git a/libavformat/yuv4mpeg.c b/libavformat/yuv4mpeg.c
index 553b999..7da8837 100644
--- a/libavformat/yuv4mpeg.c
+++ b/libavformat/yuv4mpeg.c
@@ -60,6 +60,9 @@ static int yuv4_generate_header(AVFormatContext *s, char* buf)
case PIX_FMT_GRAY8:
colorspace = " Cmono";
break;
+ case PIX_FMT_GRAY16:
+ colorspace = " Cmono16";
+ break;
case PIX_FMT_YUV411P:
colorspace = " C411 XYSCSS=411";
break;
@@ -76,6 +79,33 @@ static int yuv4_generate_header(AVFormatContext *s, char* buf)
case PIX_FMT_YUV444P:
colorspace = " C444 XYSCSS=444";
break;
+ case PIX_FMT_YUV420P9:
+ colorspace = " C420p9 XYSCSS=420P9";
+ break;
+ case PIX_FMT_YUV422P9:
+ colorspace = " C422p9 XYSCSS=422P9";
+ break;
+ case PIX_FMT_YUV444P9:
+ colorspace = " C444p9 XYSCSS=444P9";
+ break;
+ case PIX_FMT_YUV420P10:
+ colorspace = " C420p10 XYSCSS=420P10";
+ break;
+ case PIX_FMT_YUV422P10:
+ colorspace = " C422p10 XYSCSS=422P10";
+ break;
+ case PIX_FMT_YUV444P10:
+ colorspace = " C444p10 XYSCSS=444P10";
+ break;
+ case PIX_FMT_YUV420P16:
+ colorspace = " C420p16 XYSCSS=420P16";
+ break;
+ case PIX_FMT_YUV422P16:
+ colorspace = " C422p16 XYSCSS=422P16";
+ break;
+ case PIX_FMT_YUV444P16:
+ colorspace = " C444p16 XYSCSS=444P16";
+ break;
}
/* construct stream header, if this is the first frame */
@@ -121,12 +151,39 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
height = st->codec->height;
ptr = picture->data[0];
+
+ switch (st->codec->pix_fmt) {
+ case PIX_FMT_GRAY8:
+ case PIX_FMT_YUV411P:
+ case PIX_FMT_YUV420P:
+ case PIX_FMT_YUV422P:
+ case PIX_FMT_YUV444P:
+ break;
+ case PIX_FMT_GRAY16:
+ case PIX_FMT_YUV420P9:
+ case PIX_FMT_YUV422P9:
+ case PIX_FMT_YUV444P9:
+ case PIX_FMT_YUV420P10:
+ case PIX_FMT_YUV422P10:
+ case PIX_FMT_YUV444P10:
+ case PIX_FMT_YUV420P16:
+ case PIX_FMT_YUV422P16:
+ case 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->codec->pix_fmt));
+ return AVERROR(EINVAL);
+ }
+
for (i = 0; i < height; i++) {
avio_write(pb, ptr, width);
ptr += picture->linesize[0];
}
- if (st->codec->pix_fmt != PIX_FMT_GRAY8) {
+ if (st->codec->pix_fmt != PIX_FMT_GRAY8 &&
+ st->codec->pix_fmt != PIX_FMT_GRAY16) {
// Adjust for smaller Cb and Cr planes
avcodec_get_chroma_sub_sample(st->codec->pix_fmt, &h_chroma_shift,
&v_chroma_shift);
@@ -144,6 +201,7 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
ptr2 += picture->linesize[2];
}
}
+
avio_flush(pb);
return 0;
}
@@ -161,15 +219,35 @@ static int yuv4_write_header(AVFormatContext *s)
return AVERROR(EINVAL);
}
- if (s->streams[0]->codec->pix_fmt == PIX_FMT_YUV411P) {
- av_log(s, AV_LOG_ERROR, "Warning: generating rarely used 4:1:1 YUV "
+ switch (s->streams[0]->codec->pix_fmt) {
+ case 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]->codec->pix_fmt != PIX_FMT_YUV420P) &&
- (s->streams[0]->codec->pix_fmt != PIX_FMT_YUV422P) &&
- (s->streams[0]->codec->pix_fmt != PIX_FMT_GRAY8) &&
- (s->streams[0]->codec->pix_fmt != PIX_FMT_YUV444P)) {
- av_log(s, AV_LOG_ERROR, "ERROR: yuv4mpeg only handles yuv444p, "
- "yuv422p, yuv420p, yuv411p and gray pixel formats. "
+ break;
+ case PIX_FMT_GRAY8:
+ case PIX_FMT_GRAY16:
+ case PIX_FMT_YUV420P:
+ case PIX_FMT_YUV422P:
+ case PIX_FMT_YUV444P:
+ break;
+ case PIX_FMT_YUV420P9:
+ case PIX_FMT_YUV422P9:
+ case PIX_FMT_YUV444P9:
+ case PIX_FMT_YUV420P10:
+ case PIX_FMT_YUV422P10:
+ case PIX_FMT_YUV444P10:
+ case PIX_FMT_YUV420P16:
+ case PIX_FMT_YUV422P16:
+ case PIX_FMT_YUV444P16:
+ av_log(s, AV_LOG_WARNING, "Warning: generating non standart YUV stream."
+ "Mjpegtools will not work.\n");
+ break;
+ default:
+ av_log(s, AV_LOG_ERROR, "ERROR: yuv4mpeg can only handle "
+ "yuv444p, yuv422p, yuv420p, "
+ "yuv444p9, yuv422p9, yuv420p9, "
+ "yuv444p10 yuv422p10, yuv420p10, "
+ "yuv411p, gray8 and gray16 pixel formats. "
"Use -pix_fmt to select one.\n");
return AVERROR(EIO);
}
@@ -249,21 +327,41 @@ static int yuv4_read_header(AVFormatContext *s)
} else if (strncmp("420paldv", tokstart, 8) == 0) {
pix_fmt = PIX_FMT_YUV420P;
chroma_sample_location = AVCHROMA_LOC_TOPLEFT;
+ } else if (strncmp("420p16", tokstart, 6) == 0) {
+ pix_fmt = PIX_FMT_YUV420P16;
+ } else if (strncmp("422p16", tokstart, 6) == 0) {
+ pix_fmt = PIX_FMT_YUV422P16;
+ } else if (strncmp("444p16", tokstart, 6) == 0) {
+ pix_fmt = PIX_FMT_YUV444P16;
+ } else if (strncmp("420p10", tokstart, 6) == 0) {
+ pix_fmt = PIX_FMT_YUV420P10;
+ } else if (strncmp("422p10", tokstart, 6) == 0) {
+ pix_fmt = PIX_FMT_YUV422P10;
+ } else if (strncmp("444p10", tokstart, 6) == 0) {
+ pix_fmt = PIX_FMT_YUV444P10;
+ } else if (strncmp("420p9", tokstart, 5) == 0) {
+ pix_fmt = PIX_FMT_YUV420P9;
+ } else if (strncmp("422p9", tokstart, 5) == 0) {
+ pix_fmt = PIX_FMT_YUV422P9;
+ } else if (strncmp("444p9", tokstart, 5) == 0) {
+ pix_fmt = PIX_FMT_YUV444P9;
} else if (strncmp("420", tokstart, 3) == 0) {
pix_fmt = PIX_FMT_YUV420P;
chroma_sample_location = AVCHROMA_LOC_CENTER;
- } else if (strncmp("411", tokstart, 3) == 0)
+ } else if (strncmp("411", tokstart, 3) == 0) {
pix_fmt = PIX_FMT_YUV411P;
- else if (strncmp("422", tokstart, 3) == 0)
+ } else if (strncmp("422", tokstart, 3) == 0) {
pix_fmt = PIX_FMT_YUV422P;
- else if (strncmp("444alpha", tokstart, 8) == 0 ) {
+ } else if (strncmp("444alpha", tokstart, 8) == 0 ) {
av_log(s, AV_LOG_ERROR, "Cannot handle 4:4:4:4 "
"YUV4MPEG stream.\n");
return -1;
- } else if (strncmp("444", tokstart, 3) == 0)
+ } else if (strncmp("444", tokstart, 3) == 0) {
pix_fmt = PIX_FMT_YUV444P;
- else if (strncmp("mono", tokstart, 4) == 0) {
+ } else if (strncmp("mono", tokstart, 4) == 0) {
pix_fmt = PIX_FMT_GRAY8;
+ } else if (strncmp("mono16", tokstart, 6) == 0) {
+ pix_fmt = PIX_FMT_GRAY16;
} else {
av_log(s, AV_LOG_ERROR, "YUV4MPEG stream contains an unknown "
"pixel format.\n");
@@ -316,6 +414,24 @@ static int yuv4_read_header(AVFormatContext *s)
alt_pix_fmt = PIX_FMT_YUV420P;
else if (strncmp("420PALDV", tokstart, 8) == 0)
alt_pix_fmt = PIX_FMT_YUV420P;
+ else if (strncmp("420P9", tokstart, 5) == 0)
+ alt_pix_fmt = PIX_FMT_YUV420P9;
+ else if (strncmp("422P9", tokstart, 5) == 0)
+ alt_pix_fmt = PIX_FMT_YUV422P9;
+ else if (strncmp("444P9", tokstart, 5) == 0)
+ alt_pix_fmt = PIX_FMT_YUV444P9;
+ else if (strncmp("420P10", tokstart, 6) == 0)
+ alt_pix_fmt = PIX_FMT_YUV420P10;
+ else if (strncmp("422P10", tokstart, 6) == 0)
+ alt_pix_fmt = PIX_FMT_YUV422P10;
+ else if (strncmp("444P10", tokstart, 6) == 0)
+ alt_pix_fmt = PIX_FMT_YUV444P10;
+ else if (strncmp("420P16", tokstart, 6) == 0)
+ alt_pix_fmt = PIX_FMT_YUV420P16;
+ else if (strncmp("422P16", tokstart, 6) == 0)
+ alt_pix_fmt = PIX_FMT_YUV422P16;
+ else if (strncmp("444P16", tokstart, 6) == 0)
+ alt_pix_fmt = PIX_FMT_YUV444P16;
else if (strncmp("411", tokstart, 3) == 0)
alt_pix_fmt = PIX_FMT_YUV411P;
else if (strncmp("422", tokstart, 3) == 0)
--
1.7.9.4
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