[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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