diff options
author | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2012-01-04 15:24:38 +0100 |
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committer | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2012-01-04 15:37:59 +0100 |
commit | 2754514787838d00753c27e044494a49608b7e4d (patch) | |
tree | b409645c0d1a3d46c3bd152a414f04382f3245be /libavcodec | |
parent | 64e4f4836a03e427936c17a651a19658d3e3b474 (diff) | |
download | ffmpeg-2754514787838d00753c27e044494a49608b7e4d.tar.gz |
v308 Quicktim Uncompressed 4:4:4 encoder and decoder.
Reviewed-by: Derek Buitenhuis
Reviewed-by: Paul B Mahol
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/Makefile | 2 | ||||
-rw-r--r-- | libavcodec/allcodecs.c | 1 | ||||
-rw-r--r-- | libavcodec/avcodec.h | 1 | ||||
-rw-r--r-- | libavcodec/v308dec.c | 108 | ||||
-rw-r--r-- | libavcodec/v308enc.c | 96 | ||||
-rw-r--r-- | libavcodec/version.h | 2 |
6 files changed, 209 insertions, 1 deletions
diff --git a/libavcodec/Makefile b/libavcodec/Makefile index e735b5bb6d..7bf16880f9 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -416,6 +416,8 @@ 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-$(CONFIG_V308_DECODER) += v308dec.o +OBJS-$(CONFIG_V308_ENCODER) += v308enc.o OBJS-$(CONFIG_V410_DECODER) += v410dec.o OBJS-$(CONFIG_V410_ENCODER) += v410enc.o OBJS-$(CONFIG_V210X_DECODER) += v210x.o diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c index ec9f92870b..aafb7201c1 100644 --- a/libavcodec/allcodecs.c +++ b/libavcodec/allcodecs.c @@ -217,6 +217,7 @@ void avcodec_register_all(void) REGISTER_DECODER (UTVIDEO, utvideo); REGISTER_ENCDEC (V210, v210); REGISTER_DECODER (V210X, v210x); + REGISTER_ENCDEC (V308, v308); REGISTER_ENCDEC (V410, v410); REGISTER_DECODER (VB, vb); REGISTER_DECODER (VBLE, vble); diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 11b4ae02f2..e37cb0df67 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -261,6 +261,7 @@ enum CodecID { CODEC_ID_AVRP = MKBETAG('A','V','R','P'), CODEC_ID_G2M = MKBETAG( 0 ,'G','2','M'), + CODEC_ID_V308 = MKBETAG('V','3','0','8'), /* various PCM "codecs" */ CODEC_ID_FIRST_AUDIO = 0x10000, ///< A dummy id pointing at the start of audio codecs diff --git a/libavcodec/v308dec.c b/libavcodec/v308dec.c new file mode 100644 index 0000000000..3bc3c445ae --- /dev/null +++ b/libavcodec/v308dec.c @@ -0,0 +1,108 @@ +/* + * v308 decoder + * Copyright (c) 2011 Carl Eugen Hoyos + * + * 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" + +static av_cold int v308_decode_init(AVCodecContext *avctx) +{ + avctx->pix_fmt = PIX_FMT_YUV444P; + + if (avctx->width & 1) + av_log(avctx, AV_LOG_WARNING, "v308 requires width to be even.\n"); + + 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 v308_decode_frame(AVCodecContext *avctx, void *data, + int *data_size, AVPacket *avpkt) +{ + AVFrame *pic = avctx->coded_frame; + const uint8_t *src = avpkt->data; + uint8_t *y, *u, *v; + int i, j; + + if (pic->data[0]) + avctx->release_buffer(avctx, pic); + + if (avpkt->size < 3 * avctx->height * avctx->width) { + av_log(avctx, AV_LOG_ERROR, "Insufficient input data.\n"); + return AVERROR(EINVAL); + } + + pic->reference = 0; + + 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 = pic->data[0]; + u = pic->data[1]; + v = pic->data[2]; + + for (i = 0; i < avctx->height; i++) { + for (j = 0; j < avctx->width; j++) { + v[j] = *src++; + y[j] = *src++; + u[j] = *src++; + } + + y += pic->linesize[0]; + u += pic->linesize[1]; + v += pic->linesize[2]; + } + + *data_size = sizeof(AVFrame); + *(AVFrame *)data = *pic; + + return avpkt->size; +} + +static av_cold int v308_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_v308_decoder = { + .name = "v308", + .type = AVMEDIA_TYPE_VIDEO, + .id = CODEC_ID_V308, + .init = v308_decode_init, + .decode = v308_decode_frame, + .close = v308_decode_close, + .capabilities = CODEC_CAP_DR1, + .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed 4:4:4"), +}; diff --git a/libavcodec/v308enc.c b/libavcodec/v308enc.c new file mode 100644 index 0000000000..4e5488a346 --- /dev/null +++ b/libavcodec/v308enc.c @@ -0,0 +1,96 @@ +/* + * v308 encoder + * + * Copyright (c) 2011 Carl Eugen Hoyos + * + * 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 "libavutil/intreadwrite.h" +#include "avcodec.h" + +static av_cold int v308_encode_init(AVCodecContext *avctx) +{ + if (avctx->width & 1) { + av_log(avctx, AV_LOG_ERROR, "v308 requires width to 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 v308_encode_frame(AVCodecContext *avctx, uint8_t *buf, + int buf_size, void *data) +{ + AVFrame *pic = data; + uint8_t *dst = buf; + uint8_t *y, *u, *v; + int i, j; + int output_size = 0; + + if (buf_size < avctx->width * avctx->height * 3) { + av_log(avctx, AV_LOG_ERROR, "Out buffer is too small.\n"); + return AVERROR(ENOMEM); + } + + avctx->coded_frame->reference = 0; + avctx->coded_frame->key_frame = 1; + avctx->coded_frame->pict_type = FF_I_TYPE; + + y = pic->data[0]; + u = pic->data[1]; + v = pic->data[2]; + + for (i = 0; i < avctx->height; i++) { + for (j = 0; j < avctx->width; j++) { + *dst++ = v[j]; + *dst++ = y[j]; + *dst++ = u[j]; + output_size += 3; + } + y += pic->linesize[0]; + u += pic->linesize[1]; + v += pic->linesize[2]; + } + + return output_size; +} + +static av_cold int v308_encode_close(AVCodecContext *avctx) +{ + av_freep(&avctx->coded_frame); + + return 0; +} + +AVCodec ff_v308_encoder = { + .name = "v308", + .type = AVMEDIA_TYPE_VIDEO, + .id = CODEC_ID_V308, + .init = v308_encode_init, + .encode = v308_encode_frame, + .close = v308_encode_close, + .pix_fmts = (const enum PixelFormat[]){ PIX_FMT_YUV444P, PIX_FMT_NONE }, + .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed 4:4:4"), +}; diff --git a/libavcodec/version.h b/libavcodec/version.h index 0153efe010..30e05898ef 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 51 +#define LIBAVCODEC_VERSION_MINOR 52 #define LIBAVCODEC_VERSION_MICRO 100 #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ |