[FFmpeg-devel] [PATCH] v410 encoder and decoder
Derek Buitenhuis
derek.buitenhuis at gmail.com
Tue Dec 13 05:36:52 CET 2011
v410 is a packed 10-bit 4:4:4 YCbCr format used in
QuickTime.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis at gmail.com>
---
Changelog | 1 +
MAINTAINERS | 1 +
doc/general.texi | 1 +
libavcodec/Makefile | 2 +
libavcodec/allcodecs.c | 1 +
libavcodec/avcodec.h | 1 +
libavcodec/v410dec.c | 113 ++++++++++++++++++++++++++++++++++++++++++++++++
libavcodec/v410enc.c | 98 +++++++++++++++++++++++++++++++++++++++++
libavcodec/version.h | 2 +-
libavformat/isom.c | 2 +
libavformat/riff.c | 1 +
11 files changed, 222 insertions(+), 1 deletions(-)
create mode 100644 libavcodec/v410dec.c
create mode 100644 libavcodec/v410enc.c
diff --git a/Changelog b/Changelog
index 89d1893..e4af553 100644
--- a/Changelog
+++ b/Changelog
@@ -134,6 +134,7 @@ easier to use. The changes are:
- new option: -report
- Dxtory capture format decoder
- cellauto source
+- V410 encoder and decoder
version 0.8:
diff --git a/MAINTAINERS b/MAINTAINERS
index a254985..de4ed91 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -218,6 +218,7 @@ Codecs:
tta.c Alex Beregszaszi, Jaikrishnan Menon
txd.c Ivo van Poorten
ulti* Kostya Shishkov
+ v410*.c Derek Buitenhuis
vb.c Kostya Shishkov
vble.c Derek Buitenhuis
vc1* Kostya Shishkov
diff --git a/doc/general.texi b/doc/general.texi
index fc4ee1c..42db0e2 100644
--- a/doc/general.texi
+++ b/doc/general.texi
@@ -602,6 +602,7 @@ following image formats are supported:
@tab Codec used in DOS CD-ROM FlashBack game.
@item Ut Video @tab @tab X
@item V210 Quicktime Uncompressed 4:2:2 10-bit @tab X @tab X
+ at item V410 Quicktime Uncompressed 4:4:4 10-bit @tab X @tab X
@item VBLE Lossless Codec @tab @tab X
@item VMware Screen Codec / VMware Video @tab @tab X
@tab Codec used in videos captured by VMware.
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 6410ed4..1a651c1 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -413,6 +413,8 @@ OBJS-$(CONFIG_ULTI_DECODER) += ulti.o
OBJS-$(CONFIG_UTVIDEO_DECODER) += utvideo.o
OBJS-$(CONFIG_V210_DECODER) += v210dec.o
OBJS-$(CONFIG_V210_ENCODER) += v210enc.o
+OBJS-$(CONFIG_V410_DECODER) += v410dec.o
+OBJS-$(CONFIG_V410_ENCODER) += v410enc.o
OBJS-$(CONFIG_V210X_DECODER) += v210x.o
OBJS-$(CONFIG_VB_DECODER) += vb.o
OBJS-$(CONFIG_VBLE_DECODER) += vble.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 9e13047..4c85056 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -215,6 +215,7 @@ void avcodec_register_all(void)
REGISTER_DECODER (UTVIDEO, utvideo);
REGISTER_ENCDEC (V210, v210);
REGISTER_DECODER (V210X, v210x);
+ REGISTER_ENCDEC (V410, v410);
REGISTER_DECODER (VB, vb);
REGISTER_DECODER (VBLE, vble);
REGISTER_DECODER (VC1, vc1);
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index a196707..4290f8b 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -254,6 +254,7 @@ enum CodecID {
CODEC_ID_BMV_VIDEO,
CODEC_ID_VBLE,
CODEC_ID_DXTORY,
+ CODEC_ID_V410,
CODEC_ID_UTVIDEO = 0x800,
CODEC_ID_ESCAPE130 = MKBETAG('E','1','3','0'),
diff --git a/libavcodec/v410dec.c b/libavcodec/v410dec.c
new file mode 100644
index 0000000..f4fa5f7
--- /dev/null
+++ b/libavcodec/v410dec.c
@@ -0,0 +1,113 @@
+/*
+ * v410 decoder
+ *
+ * Copyright (c) 2011 Derek Buitenhuis
+ *
+ * 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 "avcodec.h"
+#include "get_bits.h"
+
+static av_cold int v410_decode_init(AVCodecContext *avctx)
+{
+ avctx->pix_fmt = PIX_FMT_YUV444P10;
+ avctx->bits_per_raw_sample = 10;
+
+ if (avctx->width & 1) {
+ av_log(avctx, AV_LOG_ERROR, "v410 requires width be even.\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ avctx->coded_frame = avcodec_alloc_frame();
+
+ if (!avctx->coded_frame) {
+ av_log(avctx, AV_LOG_ERROR, "Could not allocate frame.\n");
+ return AVERROR(ENOMEM);
+ }
+
+ return 0;
+}
+
+static int v410_decode_frame(AVCodecContext *avctx, void *data,
+ int *data_size, AVPacket *avpkt)
+{
+ AVFrame *pic = avctx->coded_frame;
+ uint8_t *src = avpkt->data;
+ uint16_t *y, *u, *v;
+ int val;
+ int i, j;
+
+ pic->reference = 0;
+
+ if (pic->data[0])
+ avctx->release_buffer(avctx, pic);
+
+ if (avctx->get_buffer(avctx, pic) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Could not allocate buffer.\n");
+ return AVERROR(ENOMEM);
+ }
+
+ pic->key_frame = 1;
+ pic->pict_type = FF_I_TYPE;
+
+ y = (uint16_t *)pic->data[0];
+ u = (uint16_t *)pic->data[1];
+ v = (uint16_t *)pic->data[2];
+
+ for (i = 0; i < avctx->height; i++) {
+ for (j = 0; j < avctx->width; j++) {
+ val = AV_RL32(src);
+
+ u[j] = (val >> 2) & 0x3FF;
+ y[j] = (val >> 12) & 0x3FF;
+ v[j] = (val >> 22) & 0x3FF;
+
+ src += 4;
+ }
+
+ y += pic->linesize[0] >> 1;
+ u += pic->linesize[1] >> 1;
+ v += pic->linesize[2] >> 1;
+ }
+
+ *data_size = sizeof(AVFrame);
+ *(AVFrame *)data = *pic;
+
+ return avpkt->size;
+}
+
+static av_cold int v410_decode_close(AVCodecContext *avctx)
+{
+ if (avctx->coded_frame->data[0])
+ avctx->release_buffer(avctx, avctx->coded_frame);
+
+ av_freep(&avctx->coded_frame);
+
+ return 0;
+}
+
+AVCodec ff_v410_decoder = {
+ .name = "v410",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_V410,
+ .init = v410_decode_init,
+ .decode = v410_decode_frame,
+ .close = v410_decode_close,
+ .capabilities = CODEC_CAP_DR1,
+ .long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:4:4 10-bit"),
+};
diff --git a/libavcodec/v410enc.c b/libavcodec/v410enc.c
new file mode 100644
index 0000000..1ca6520
--- /dev/null
+++ b/libavcodec/v410enc.c
@@ -0,0 +1,98 @@
+/*
+ * v410 encoder
+ *
+ * Copyright (c) 2011 Derek Buitenhuis
+ *
+ * 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 "avcodec.h"
+#include "put_bits.h"
+
+static av_cold int v410_encode_init(AVCodecContext *avctx)
+{
+ if (avctx->width & 1) {
+ av_log(avctx, AV_LOG_ERROR, "v410 requires width be even.\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ avctx->coded_frame = avcodec_alloc_frame();
+
+ if (!avctx->coded_frame) {
+ av_log(avctx, AV_LOG_ERROR, "Could not allocate frame.\n");
+ return AVERROR(ENOMEM);
+ }
+
+ return 0;
+}
+
+static int v410_encode_frame(AVCodecContext *avctx, uint8_t *buf,
+ int buf_size, void *data)
+{
+ AVFrame *pic = data;
+ uint8_t *dst = buf;
+ uint16_t *y, *u, *v;
+ uint32_t val;
+ int i, j;
+
+ if (buf_size < avctx->width * avctx->height * 3) {
+ av_log(avctx, AV_LOG_ERROR, "Out buffer is too small.\n");
+ return AVERROR(ENOMEM);
+ }
+
+ pic->reference = 0;
+ pic->key_frame = 1;
+ pic->pict_type = FF_I_TYPE;
+
+
+ y = (uint16_t *)pic->data[0];
+ u = (uint16_t *)pic->data[1];
+ v = (uint16_t *)pic->data[2];
+
+ for (i = 0; i < avctx->height; i++) {
+ for (j = 0; j < avctx->width; j++) {
+ val = u[j] << 2;;
+ val |= y[j] << 12;
+ val |= v[j] << 22;
+ AV_WL32(dst, val);
+ dst += 4;
+ }
+ y += pic->linesize[0] >> 1;
+ u += pic->linesize[1] >> 1;
+ v += pic->linesize[2] >> 1;
+ }
+
+ return dst - buf;
+}
+
+static av_cold int v410_encode_close(AVCodecContext *avctx)
+{
+ av_freep(&avctx->coded_frame);
+
+ return 0;
+}
+
+AVCodec ff_v410_encoder = {
+ .name = "v410",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_V410,
+ .init = v410_encode_init,
+ .encode = v410_encode_frame,
+ .close = v410_encode_close,
+ .pix_fmts = (const enum PixelFormat[]){ PIX_FMT_YUV444P10, PIX_FMT_NONE },
+ .long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:4:4 10-bit"),
+};
diff --git a/libavcodec/version.h b/libavcodec/version.h
index c5b0027..870d7e0 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -21,7 +21,7 @@
#define AVCODEC_VERSION_H
#define LIBAVCODEC_VERSION_MAJOR 53
-#define LIBAVCODEC_VERSION_MINOR 43
+#define LIBAVCODEC_VERSION_MINOR 44
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
diff --git a/libavformat/isom.c b/libavformat/isom.c
index 7a62578..b832df8 100644
--- a/libavformat/isom.c
+++ b/libavformat/isom.c
@@ -220,6 +220,8 @@ const AVCodecTag codec_movvideo_tags[] = {
{ CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
{ CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
+ { CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* Quicktime Uncompressed 4:4:4 */
+
{ CODEC_ID_NONE, 0 },
};
diff --git a/libavformat/riff.c b/libavformat/riff.c
index 3cc3c35..6483679 100644
--- a/libavformat/riff.c
+++ b/libavformat/riff.c
@@ -288,6 +288,7 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ CODEC_ID_VBLE, MKTAG('V', 'B', 'L', 'E') },
{ CODEC_ID_ESCAPE130, MKTAG('E', '1', '3', '0') },
{ CODEC_ID_DXTORY, MKTAG('x', 't', 'o', 'r') },
+ { CODEC_ID_V410, MKTAG('v', '4', '1', '0') },
{ CODEC_ID_NONE, 0 }
};
--
1.7.7.3
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