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avformat/yuv4mpeg: add gray9/10/12 support 

Signed-off-by: Mateusz Brzostek <mateuszb@poczta.onet.pl>
This commit is contained in:
Mateusz 2017-10-07 19:05:53 +02:00 committed by Paul B Mahol
parent f2c867051c
commit a4743d2574
2 changed files with 26 additions and 3 deletions
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6
libavformat/yuv4mpegdec.c
View File

@ -126,6 +126,12 @@ static int yuv4_read_header(AVFormatContext *s)
pix_fmt = AV_PIX_FMT_YUV444P;
} else if (strncmp("mono16", tokstart, 6) == 0) {
pix_fmt = AV_PIX_FMT_GRAY16;
} else if (strncmp("mono12", tokstart, 6) == 0) {
pix_fmt = AV_PIX_FMT_GRAY12;
} else if (strncmp("mono10", tokstart, 6) == 0) {
pix_fmt = AV_PIX_FMT_GRAY10;
} else if (strncmp("mono9", tokstart, 5) == 0) {
pix_fmt = AV_PIX_FMT_GRAY9;
} else if (strncmp("mono", tokstart, 4) == 0) {
pix_fmt = AV_PIX_FMT_GRAY8;
} else {

23
libavformat/yuv4mpegenc.c
View File

@ -69,6 +69,15 @@ static int yuv4_generate_header(AVFormatContext *s, char* buf)
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;
@ -184,6 +193,9 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
case AV_PIX_FMT_YUV422P:
case AV_PIX_FMT_YUV444P:
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:
@ -213,7 +225,8 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
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_GRAY9 &&
st->codecpar->format != AV_PIX_FMT_GRAY10 && st->codecpar->format != AV_PIX_FMT_GRAY12 &&
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,
@ -255,11 +268,14 @@ static int yuv4_write_header(AVFormatContext *s)
"stream, some mjpegtools might not work.\n");
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_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:
@ -291,7 +307,8 @@ static int yuv4_write_header(AVFormatContext *s)
"yuv444p10, yuv422p10, yuv420p10, "
"yuv444p12, yuv422p12, yuv420p12, "
"yuv444p14, yuv422p14, yuv420p14, "
"yuv444p16, yuv422p16, yuv420p16 "
"yuv444p16, yuv422p16, yuv420p16, "
"gray9, gray10, gray12 "
"and gray16 pixel formats. "
"Use -pix_fmt to select one.\n");
return AVERROR(EIO);