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authorDerek Buitenhuis <derek.buitenhuis@gmail.com>2012-03-05 15:29:23 -0500
committerMichael Niedermayer <michaelni@gmx.at>2012-03-05 22:25:49 +0100
commit01606d10e600c4794d89490e731c321fb73a5141 (patch)
tree7b26f4bb99a3e43dc4acd9182557c3a3463fa93b /libavcodec
parentd6e4e69a4993e8f2fe1f7e8227ac388039d886d2 (diff)
downloadffmpeg-01606d10e600c4794d89490e731c321fb73a5141.tar.gz
libutvideo: Add Ut Video encoder wrapper
All colorspaces are supported. Renamed libutvideo.cpp to libutvideodec.cpp. Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/Makefile3
-rw-r--r--libavcodec/allcodecs.c2
-rw-r--r--libavcodec/libutvideodec.cpp (renamed from libavcodec/libutvideo.cpp)0
-rw-r--r--libavcodec/libutvideoenc.cpp241
-rw-r--r--libavcodec/version.h2
5 files changed, 245 insertions, 3 deletions
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 433ae4867e..2e11dc89a2 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -647,7 +647,8 @@ OBJS-$(CONFIG_LIBSPEEX_DECODER) += libspeexdec.o
OBJS-$(CONFIG_LIBSPEEX_ENCODER) += libspeexenc.o
OBJS-$(CONFIG_LIBSTAGEFRIGHT_H264_DECODER)+= libstagefright.o
OBJS-$(CONFIG_LIBTHEORA_ENCODER) += libtheoraenc.o
-OBJS-$(CONFIG_LIBUTVIDEO_DECODER) += libutvideo.o
+OBJS-$(CONFIG_LIBUTVIDEO_DECODER) += libutvideodec.o
+OBJS-$(CONFIG_LIBUTVIDEO_ENCODER) += libutvideoenc.o
OBJS-$(CONFIG_LIBVO_AACENC_ENCODER) += libvo-aacenc.o mpeg4audio.o
OBJS-$(CONFIG_LIBVO_AMRWBENC_ENCODER) += libvo-amrwbenc.o
OBJS-$(CONFIG_LIBVORBIS_ENCODER) += libvorbis.o vorbis_data.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index c8cfbb53a8..52a67f34bd 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -412,7 +412,7 @@ void avcodec_register_all(void)
REGISTER_ENCDEC (LIBSPEEX, libspeex);
REGISTER_DECODER (LIBSTAGEFRIGHT_H264, libstagefright_h264);
REGISTER_ENCODER (LIBTHEORA, libtheora);
- REGISTER_DECODER (LIBUTVIDEO, libutvideo);
+ REGISTER_ENCDEC (LIBUTVIDEO, libutvideo);
REGISTER_ENCODER (LIBVO_AACENC, libvo_aacenc);
REGISTER_ENCODER (LIBVO_AMRWBENC, libvo_amrwbenc);
REGISTER_ENCODER (LIBVORBIS, libvorbis);
diff --git a/libavcodec/libutvideo.cpp b/libavcodec/libutvideodec.cpp
index 443a77ea9d..443a77ea9d 100644
--- a/libavcodec/libutvideo.cpp
+++ b/libavcodec/libutvideodec.cpp
diff --git a/libavcodec/libutvideoenc.cpp b/libavcodec/libutvideoenc.cpp
new file mode 100644
index 0000000000..564ece209a
--- /dev/null
+++ b/libavcodec/libutvideoenc.cpp
@@ -0,0 +1,241 @@
+/*
+ * Copyright (c) 2012 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 General Public
+ * License as published by the Free Software Foundation;
+ * version 2 of the License.
+ *
+ * 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU 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
+ */
+
+/**
+ * @file
+ * Known FOURCCs:
+ * 'ULY0' (YCbCr 4:2:0), 'ULY2' (YCbCr 4:2:2), 'ULRG' (RGB), 'ULRA' (RGBA)
+ */
+
+extern "C" {
+#include "libavutil/avassert.h"
+#include "avcodec.h"
+#include "internal.h"
+}
+
+#include "libutvideo.h"
+#include "put_bits.h"
+
+static av_cold int utvideo_encode_init(AVCodecContext *avctx)
+{
+ UtVideoContext *utv = (UtVideoContext *)avctx->priv_data;
+ UtVideoExtra *info;
+ uint32_t flags, in_format;
+
+ switch (avctx->pix_fmt) {
+ case PIX_FMT_YUV420P:
+ in_format = UTVF_YV12;
+ avctx->bits_per_coded_sample = 12;
+ avctx->codec_tag = MKTAG('U', 'L', 'Y', '0');
+ break;
+ case PIX_FMT_YUYV422:
+ in_format = UTVF_YUYV;
+ avctx->bits_per_coded_sample = 16;
+ avctx->codec_tag = MKTAG('U', 'L', 'Y', '2');
+ break;
+ case PIX_FMT_BGR24:
+ in_format = UTVF_RGB24_WIN;
+ avctx->bits_per_coded_sample = 24;
+ avctx->codec_tag = MKTAG('U', 'L', 'R', 'G');
+ break;
+ case PIX_FMT_RGB32:
+ in_format = UTVF_RGB32_WIN;
+ avctx->bits_per_coded_sample = 32;
+ avctx->codec_tag = MKTAG('U', 'L', 'R', 'A');
+ break;
+ default:
+ return AVERROR(EINVAL);
+ }
+
+ /* Check before we alloc anything */
+ if (avctx->prediction_method != 0 && avctx->prediction_method != 2) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid prediction method.\n");
+ return AVERROR(EINVAL);
+ }
+
+ flags = ((avctx->prediction_method + 1) << 8) | (avctx->thread_count - 1);
+
+ avctx->priv_data = utv;
+ avctx->coded_frame = avcodec_alloc_frame();
+
+ /* Alloc extradata buffer */
+ info = (UtVideoExtra *)av_malloc(sizeof(*info));
+
+ if (info == NULL) {
+ av_log(avctx, AV_LOG_ERROR, "Could not allocate extradata buffer.\n");
+ return AVERROR(ENOMEM);
+ }
+
+ /*
+ * We use this buffer to hold the data that Ut Video returns,
+ * since we cannot decode planes separately with it.
+ */
+ utv->buf_size = avpicture_get_size(avctx->pix_fmt,
+ avctx->width, avctx->height);
+ utv->buffer = (uint8_t *)av_malloc(utv->buf_size);
+
+ if (utv->buffer == NULL) {
+ av_log(avctx, AV_LOG_ERROR, "Could not allocate output buffer.\n");
+ return AVERROR(ENOMEM);
+ }
+
+ /*
+ * Create a Ut Video instance. Since the function wants
+ * an "interface name" string, pass it the name of the lib.
+ */
+ utv->codec = CCodec::CreateInstance(UNFCC(avctx->codec_tag), "libavcodec");
+
+ /* Initialize encoder */
+ utv->codec->EncodeBegin(in_format, avctx->width, avctx->height,
+ CBGROSSWIDTH_WINDOWS);
+
+ /* Get extradata from encoder */
+ avctx->extradata_size = utv->codec->EncodeGetExtraDataSize();
+ utv->codec->EncodeGetExtraData(info, avctx->extradata_size, in_format,
+ avctx->width, avctx->height,
+ CBGROSSWIDTH_WINDOWS);
+ avctx->extradata = (uint8_t *)info;
+
+ /* Set flags */
+ utv->codec->SetState(&flags, sizeof(flags));
+
+ return 0;
+}
+
+static int utvideo_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
+ const AVFrame *pic, int *got_packet)
+{
+ UtVideoContext *utv = (UtVideoContext *)avctx->priv_data;
+ int w = avctx->width, h = avctx->height;
+ int ret, rgb_size, i;
+ bool keyframe;
+ uint8_t *y, *u, *v;
+ uint8_t *dst;
+
+ /* Alloc buffer */
+ if ((ret = ff_alloc_packet(pkt, utv->buf_size)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
+ return ret;
+ }
+
+ dst = pkt->data;
+
+ /* Move input if needed data into Ut Video friendly buffer */
+ switch (avctx->pix_fmt) {
+ case PIX_FMT_YUV420P:
+ y = utv->buffer;
+ u = y + w * h;
+ v = u + w * h / 4;
+ for (i = 0; i < h; i++) {
+ memcpy(y, pic->data[0] + i * pic->linesize[0], w);
+ y += w;
+ }
+ for (i = 0; i < h / 2; i++) {
+ memcpy(u, pic->data[2] + i * pic->linesize[2], w >> 1);
+ memcpy(v, pic->data[1] + i * pic->linesize[1], w >> 1);
+ u += w >> 1;
+ v += w >> 1;
+ }
+ break;
+ case PIX_FMT_YUYV422:
+ for (i = 0; i < h; i++)
+ memcpy(utv->buffer + i * (w << 1),
+ pic->data[0] + i * pic->linesize[0], w << 1);
+ break;
+ case PIX_FMT_BGR24:
+ case PIX_FMT_RGB32:
+ /* Ut Video takes bottom-up BGR */
+ rgb_size = avctx->pix_fmt == PIX_FMT_BGR24 ? 3 : 4;
+ for (i = 0; i < h; i++)
+ memcpy(utv->buffer + (h - i - 1) * w * rgb_size,
+ pic->data[0] + i * pic->linesize[0],
+ w * rgb_size);
+ break;
+ default:
+ return AVERROR(EINVAL);
+ }
+
+ /* Encode frame */
+ pkt->size = utv->codec->EncodeFrame(dst, &keyframe, utv->buffer);
+
+ if (!pkt->size) {
+ av_log(avctx, AV_LOG_ERROR, "EncodeFrame failed!\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ /*
+ * Ut Video is intra-only and every frame is a keyframe,
+ * and the API always returns true. In case something
+ * durastic changes in the future, such as inter support,
+ * assert that this is true.
+ */
+ av_assert2(keyframe == true);
+ avctx->coded_frame->key_frame = 1;
+ avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
+
+ pkt->flags |= AV_PKT_FLAG_KEY;
+ *got_packet = 1;
+ return 0;
+}
+
+static av_cold int utvideo_encode_close(AVCodecContext *avctx)
+{
+ UtVideoContext *utv = (UtVideoContext *)avctx->priv_data;
+
+ av_freep(&avctx->coded_frame);
+ av_freep(&avctx->extradata);
+ av_freep(&utv->buffer);
+
+ utv->codec->EncodeEnd();
+ CCodec::DeleteInstance(utv->codec);
+
+ return 0;
+}
+
+AVCodec ff_libutvideo_encoder = {
+ "libutvideo",
+ NULL_IF_CONFIG_SMALL("Ut Video"),
+ AVMEDIA_TYPE_VIDEO,
+ CODEC_ID_UTVIDEO,
+ CODEC_CAP_AUTO_THREADS | CODEC_CAP_LOSSLESS,
+ NULL, /* supported_framerates */
+ (const enum PixelFormat[]) {
+ PIX_FMT_YUV420P, PIX_FMT_YUYV422, PIX_FMT_BGR24,
+ PIX_FMT_RGB32, PIX_FMT_NONE
+ },
+ NULL, /* supported_samplerates */
+ NULL, /* sample_fmts */
+ NULL, /* channel_layouts */
+ 0, /* max_lowres */
+ NULL, /* priv_class */
+ NULL, /* profiles */
+ sizeof(UtVideoContext),
+ NULL, /* next */
+ NULL, /* init_thread_copy */
+ NULL, /* update_thread_context */
+ NULL, /* defaults */
+ NULL, /* init_static_data */
+ utvideo_encode_init,
+ NULL, /* encode */
+ utvideo_encode_frame,
+ NULL, /* decode */
+ utvideo_encode_close,
+ NULL, /* flush */
+};
diff --git a/libavcodec/version.h b/libavcodec/version.h
index b8d2bbf2b3..72d5b2e075 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -21,7 +21,7 @@
#define AVCODEC_VERSION_H
#define LIBAVCODEC_VERSION_MAJOR 54
-#define LIBAVCODEC_VERSION_MINOR 8
+#define LIBAVCODEC_VERSION_MINOR 9
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \