summaryrefslogtreecommitdiff
path: root/libavformat/yuv4mpeg.c
diff options
context:
space:
mode:
Diffstat (limited to 'libavformat/yuv4mpeg.c')
-rw-r--r--libavformat/yuv4mpeg.c291
1 files changed, 231 insertions, 60 deletions
diff --git a/libavformat/yuv4mpeg.c b/libavformat/yuv4mpeg.c
index 699a63a681..bf48230bb3 100644
--- a/libavformat/yuv4mpeg.c
+++ b/libavformat/yuv4mpeg.c
@@ -2,36 +2,32 @@
* YUV4MPEG format
* 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
*/
#include "libavutil/pixdesc.h"
#include "avformat.h"
#include "internal.h"
+#include "libavutil/pixdesc.h"
#define Y4M_MAGIC "YUV4MPEG2"
#define Y4M_FRAME_MAGIC "FRAME"
#define Y4M_LINE_MAX 256
-struct frame_attributes {
- int interlaced_frame;
- int top_field_first;
-};
-
#if CONFIG_YUV4MPEGPIPE_MUXER
static int yuv4_generate_header(AVFormatContext *s, char* buf)
{
@@ -57,11 +53,21 @@ static int yuv4_generate_header(AVFormatContext *s, char* buf)
inter = 'p'; /* progressive is the default */
if (st->codec->coded_frame && st->codec->coded_frame->interlaced_frame)
inter = st->codec->coded_frame->top_field_first ? 't' : 'b';
+ if (st->codec->field_order == AV_FIELD_PROGRESSIVE) {
+ inter = 'p';
+ } else if (st->codec->field_order == AV_FIELD_TB || st->codec->field_order == AV_FIELD_TT) {
+ inter = 't';
+ } else if (st->codec->field_order == AV_FIELD_BT || st->codec->field_order == AV_FIELD_BB) {
+ inter = 'b';
+ }
switch (st->codec->pix_fmt) {
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;
@@ -78,6 +84,51 @@ 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 */
@@ -92,7 +143,7 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
{
AVStream *st = s->streams[pkt->stream_index];
AVIOContext *pb = s->pb;
- AVPicture *picture;
+ AVPicture *picture, picture_tmp;
int* first_pkt = s->priv_data;
int width, height, h_chroma_shift, v_chroma_shift;
int i;
@@ -100,7 +151,8 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
char buf1[20];
uint8_t *ptr, *ptr1, *ptr2;
- picture = (AVPicture *)pkt->data;
+ memcpy(&picture_tmp, pkt->data, sizeof(AVPicture));
+ picture = &picture_tmp;
/* for the first packet we have to output the header as well */
if (*first_pkt) {
@@ -123,12 +175,45 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
height = st->codec->height;
ptr = picture->data[0];
+
+ switch (st->codec->pix_fmt) {
+ 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->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 != AV_PIX_FMT_GRAY8) {
+ if (st->codec->pix_fmt != AV_PIX_FMT_GRAY8 &&
+ st->codec->pix_fmt != AV_PIX_FMT_GRAY16) {
// Adjust for smaller Cb and Cr planes
av_pix_fmt_get_chroma_sub_sample(st->codec->pix_fmt, &h_chroma_shift,
&v_chroma_shift);
@@ -146,7 +231,7 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
ptr2 += picture->linesize[2];
}
}
- avio_flush(pb);
+
return 0;
}
@@ -162,15 +247,50 @@ static int yuv4_write_header(AVFormatContext *s)
return AVERROR_INVALIDDATA;
}
- if (s->streams[0]->codec->pix_fmt == AV_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 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]->codec->pix_fmt != AV_PIX_FMT_YUV420P) &&
- (s->streams[0]->codec->pix_fmt != AV_PIX_FMT_YUV422P) &&
- (s->streams[0]->codec->pix_fmt != AV_PIX_FMT_GRAY8) &&
- (s->streams[0]->codec->pix_fmt != 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->streams[0]->codec->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
+ av_log(s, AV_LOG_ERROR, "'%s' is not a official yuv4mpegpipe pixel format. "
+ "Use '-strict -1' to encode to this pixel format.\n",
+ av_get_pix_fmt_name(s->streams[0]->codec->pix_fmt));
+ 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);
}
@@ -182,7 +302,6 @@ 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,
@@ -201,7 +320,7 @@ static int yuv4_read_header(AVFormatContext *s)
{
char header[MAX_YUV4_HEADER + 10]; // Include headroom for
// the longest option
- char *tokstart, *tokend, *header_end;
+ char *tokstart, *tokend, *header_end, interlaced = '?';
int i;
AVIOContext *pb = s->pb;
int width = -1, height = -1, raten = 0,
@@ -209,7 +328,6 @@ static int yuv4_read_header(AVFormatContext *s)
enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE, alt_pix_fmt = AV_PIX_FMT_NONE;
enum AVChromaLocation chroma_sample_location = AVCHROMA_LOC_UNSPECIFIED;
AVStream *st;
- struct frame_attributes *s1 = s->priv_data;
for (i = 0; i < MAX_YUV4_HEADER; i++) {
header[i] = avio_r8(pb);
@@ -225,8 +343,6 @@ static int yuv4_read_header(AVFormatContext *s)
if (strncmp(header, Y4M_MAGIC, strlen(Y4M_MAGIC)))
return -1;
- s1->interlaced_frame = 0;
- s1->top_field_first = 0;
header_end = &header[i + 1]; // Include space
for (tokstart = &header[strlen(Y4M_MAGIC) + 1];
tokstart < header_end; tokstart++) {
@@ -251,20 +367,52 @@ static int yuv4_read_header(AVFormatContext *s)
} else if (strncmp("420paldv", tokstart, 8) == 0) {
pix_fmt = AV_PIX_FMT_YUV420P;
chroma_sample_location = AVCHROMA_LOC_TOPLEFT;
+ } else if (strncmp("420p16", tokstart, 6) == 0) {
+ pix_fmt = AV_PIX_FMT_YUV420P16;
+ } else if (strncmp("422p16", tokstart, 6) == 0) {
+ pix_fmt = AV_PIX_FMT_YUV422P16;
+ } else if (strncmp("444p16", tokstart, 6) == 0) {
+ pix_fmt = AV_PIX_FMT_YUV444P16;
+ } else if (strncmp("420p14", tokstart, 6) == 0) {
+ pix_fmt = AV_PIX_FMT_YUV420P14;
+ } else if (strncmp("422p14", tokstart, 6) == 0) {
+ pix_fmt = AV_PIX_FMT_YUV422P14;
+ } else if (strncmp("444p14", tokstart, 6) == 0) {
+ pix_fmt = AV_PIX_FMT_YUV444P14;
+ } else if (strncmp("420p12", tokstart, 6) == 0) {
+ pix_fmt = AV_PIX_FMT_YUV420P12;
+ } else if (strncmp("422p12", tokstart, 6) == 0) {
+ pix_fmt = AV_PIX_FMT_YUV422P12;
+ } else if (strncmp("444p12", tokstart, 6) == 0) {
+ pix_fmt = AV_PIX_FMT_YUV444P12;
+ } else if (strncmp("420p10", tokstart, 6) == 0) {
+ pix_fmt = AV_PIX_FMT_YUV420P10;
+ } else if (strncmp("422p10", tokstart, 6) == 0) {
+ pix_fmt = AV_PIX_FMT_YUV422P10;
+ } else if (strncmp("444p10", tokstart, 6) == 0) {
+ pix_fmt = AV_PIX_FMT_YUV444P10;
+ } else if (strncmp("420p9", tokstart, 5) == 0) {
+ pix_fmt = AV_PIX_FMT_YUV420P9;
+ } else if (strncmp("422p9", tokstart, 5) == 0) {
+ pix_fmt = AV_PIX_FMT_YUV422P9;
+ } else if (strncmp("444p9", tokstart, 5) == 0) {
+ pix_fmt = AV_PIX_FMT_YUV444P9;
} else if (strncmp("420", tokstart, 3) == 0) {
pix_fmt = AV_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 = AV_PIX_FMT_YUV411P;
- else if (strncmp("422", tokstart, 3) == 0)
+ } else if (strncmp("422", tokstart, 3) == 0) {
pix_fmt = AV_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 = AV_PIX_FMT_YUV444P;
- else if (strncmp("mono", tokstart, 4) == 0) {
+ } else if (strncmp("mono16", tokstart, 6) == 0) {
+ pix_fmt = AV_PIX_FMT_GRAY16;
+ } else if (strncmp("mono", tokstart, 4) == 0) {
pix_fmt = AV_PIX_FMT_GRAY8;
} else {
av_log(s, AV_LOG_ERROR, "YUV4MPEG stream contains an unknown "
@@ -275,28 +423,7 @@ static int yuv4_read_header(AVFormatContext *s)
tokstart++;
break;
case 'I': // Interlace type
- switch (*tokstart++){
- case '?':
- break;
- case 'p':
- s1->interlaced_frame = 0;
- break;
- case 't':
- s1->interlaced_frame = 1;
- s1->top_field_first = 1;
- break;
- case 'b':
- s1->interlaced_frame = 1;
- s1->top_field_first = 0;
- break;
- case 'm':
- av_log(s, AV_LOG_ERROR, "YUV4MPEG stream contains mixed "
- "interlaced and non-interlaced frames.\n");
- return -1;
- default:
- av_log(s, AV_LOG_ERROR, "YUV4MPEG has invalid header.\n");
- return -1;
- }
+ interlaced = *tokstart++;
break;
case 'F': // Frame rate
sscanf(tokstart, "%d:%d", &raten, &rated); // 0:0 if unknown
@@ -318,6 +445,36 @@ static int yuv4_read_header(AVFormatContext *s)
alt_pix_fmt = AV_PIX_FMT_YUV420P;
else if (strncmp("420PALDV", tokstart, 8) == 0)
alt_pix_fmt = AV_PIX_FMT_YUV420P;
+ else if (strncmp("420P9", tokstart, 5) == 0)
+ alt_pix_fmt = AV_PIX_FMT_YUV420P9;
+ else if (strncmp("422P9", tokstart, 5) == 0)
+ alt_pix_fmt = AV_PIX_FMT_YUV422P9;
+ else if (strncmp("444P9", tokstart, 5) == 0)
+ alt_pix_fmt = AV_PIX_FMT_YUV444P9;
+ else if (strncmp("420P10", tokstart, 6) == 0)
+ alt_pix_fmt = AV_PIX_FMT_YUV420P10;
+ else if (strncmp("422P10", tokstart, 6) == 0)
+ alt_pix_fmt = AV_PIX_FMT_YUV422P10;
+ else if (strncmp("444P10", tokstart, 6) == 0)
+ alt_pix_fmt = AV_PIX_FMT_YUV444P10;
+ else if (strncmp("420P12", tokstart, 6) == 0)
+ alt_pix_fmt = AV_PIX_FMT_YUV420P12;
+ else if (strncmp("422P12", tokstart, 6) == 0)
+ alt_pix_fmt = AV_PIX_FMT_YUV422P12;
+ else if (strncmp("444P12", tokstart, 6) == 0)
+ alt_pix_fmt = AV_PIX_FMT_YUV444P12;
+ else if (strncmp("420P14", tokstart, 6) == 0)
+ alt_pix_fmt = AV_PIX_FMT_YUV420P14;
+ else if (strncmp("422P14", tokstart, 6) == 0)
+ alt_pix_fmt = AV_PIX_FMT_YUV422P14;
+ else if (strncmp("444P14", tokstart, 6) == 0)
+ alt_pix_fmt = AV_PIX_FMT_YUV444P14;
+ else if (strncmp("420P16", tokstart, 6) == 0)
+ alt_pix_fmt = AV_PIX_FMT_YUV420P16;
+ else if (strncmp("422P16", tokstart, 6) == 0)
+ alt_pix_fmt = AV_PIX_FMT_YUV422P16;
+ else if (strncmp("444P16", tokstart, 6) == 0)
+ alt_pix_fmt = AV_PIX_FMT_YUV444P16;
else if (strncmp("411", tokstart, 3) == 0)
alt_pix_fmt = AV_PIX_FMT_YUV411P;
else if (strncmp("422", tokstart, 3) == 0)
@@ -367,6 +524,27 @@ static int yuv4_read_header(AVFormatContext *s)
st->sample_aspect_ratio = (AVRational){ aspectn, aspectd };
st->codec->chroma_sample_location = chroma_sample_location;
+ switch (interlaced){
+ case 'p':
+ st->codec->field_order = AV_FIELD_PROGRESSIVE;
+ break;
+ case 't':
+ st->codec->field_order = AV_FIELD_TB;
+ break;
+ case 'b':
+ st->codec->field_order = AV_FIELD_BT;
+ break;
+ case 'm':
+ av_log(s, AV_LOG_ERROR, "YUV4MPEG stream contains mixed "
+ "interlaced and non-interlaced frames.\n");
+ case '?':
+ st->codec->field_order = AV_FIELD_UNKNOWN;
+ break;
+ default:
+ av_log(s, AV_LOG_ERROR, "YUV4MPEG has invalid header.\n");
+ return AVERROR(EINVAL);
+ }
+
return 0;
}
@@ -376,7 +554,6 @@ static int yuv4_read_packet(AVFormatContext *s, AVPacket *pkt)
char header[MAX_FRAME_HEADER+1];
int packet_size, width, height, ret;
AVStream *st = s->streams[0];
- struct frame_attributes *s1 = s->priv_data;
for (i = 0; i < MAX_FRAME_HEADER; i++) {
header[i] = avio_r8(s->pb);
@@ -408,11 +585,6 @@ static int yuv4_read_packet(AVFormatContext *s, AVPacket *pkt)
else if (ret != packet_size)
return s->pb->eof_reached ? AVERROR_EOF : AVERROR(EIO);
- if (st->codec->coded_frame) {
- st->codec->coded_frame->interlaced_frame = s1->interlaced_frame;
- st->codec->coded_frame->top_field_first = s1->top_field_first;
- }
-
pkt->stream_index = 0;
return 0;
}
@@ -430,7 +602,6 @@ static int yuv4_probe(AVProbeData *pd)
AVInputFormat ff_yuv4mpegpipe_demuxer = {
.name = "yuv4mpegpipe",
.long_name = NULL_IF_CONFIG_SMALL("YUV4MPEG pipe"),
- .priv_data_size = sizeof(struct frame_attributes),
.read_probe = yuv4_probe,
.read_header = yuv4_read_header,
.read_packet = yuv4_read_packet,
View Lorry Controller Status