diff options
author | Nidhi Makhijani <nidhimj22@gmail.com> | 2014-07-05 19:34:05 +0400 |
---|---|---|
committer | Diego Biurrun <diego@biurrun.de> | 2014-07-06 20:28:20 +0400 |
commit | 373a6dda5422186bc057297342a9e559a564595e (patch) | |
tree | 2f902f6ecc2524715e2e2e79feca8d68dc54b34b | |
parent | 02a7a5e330ec4373a761f63c292220a1de13b968 (diff) |
cljr: split decoder and encoder
Signed-off-by: Diego Biurrun <diego@biurrun.de>
-rw-r--r-- | libavcodec/Makefile | 4 | ||||
-rw-r--r-- | libavcodec/cljrdec.c (renamed from libavcodec/cljr.c) | 75 | ||||
-rw-r--r-- | libavcodec/cljrenc.c | 97 |
3 files changed, 101 insertions, 75 deletions
diff --git a/libavcodec/Makefile b/libavcodec/Makefile index dc374cb605..13ce842574 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -141,8 +141,8 @@ OBJS-$(CONFIG_CAVS_DECODER) += cavs.o cavsdec.o cavsdsp.o \ OBJS-$(CONFIG_CDGRAPHICS_DECODER) += cdgraphics.o OBJS-$(CONFIG_CDXL_DECODER) += cdxl.o OBJS-$(CONFIG_CINEPAK_DECODER) += cinepak.o -OBJS-$(CONFIG_CLJR_DECODER) += cljr.o -OBJS-$(CONFIG_CLJR_ENCODER) += cljr.o +OBJS-$(CONFIG_CLJR_DECODER) += cljrdec.o +OBJS-$(CONFIG_CLJR_ENCODER) += cljrenc.o OBJS-$(CONFIG_CLLC_DECODER) += cllc.o OBJS-$(CONFIG_COOK_DECODER) += cook.o OBJS-$(CONFIG_COMFORTNOISE_DECODER) += cngdec.o celp_filters.o diff --git a/libavcodec/cljr.c b/libavcodec/cljrdec.c index ad0f729768..e74d1fafa4 100644 --- a/libavcodec/cljr.c +++ b/libavcodec/cljrdec.c @@ -1,5 +1,5 @@ /* - * Cirrus Logic AccuPak (CLJR) codec + * Cirrus Logic AccuPak (CLJR) decoder * Copyright (c) 2003 Alex Beregszaszi * * This file is part of Libav. @@ -21,15 +21,13 @@ /** * @file - * Cirrus Logic AccuPak codec. + * Cirrus Logic AccuPak decoder. */ #include "avcodec.h" #include "get_bits.h" #include "internal.h" -#include "put_bits.h" -#if CONFIG_CLJR_DECODER static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) @@ -95,72 +93,3 @@ AVCodec ff_cljr_decoder = { .decode = decode_frame, .capabilities = CODEC_CAP_DR1, }; -#endif - -#if CONFIG_CLJR_ENCODER -static av_cold int encode_init(AVCodecContext *avctx) -{ - avctx->coded_frame = av_frame_alloc(); - if (!avctx->coded_frame) - return AVERROR(ENOMEM); - - return 0; -} - -static av_cold int encode_close(AVCodecContext *avctx) -{ - av_frame_free(&avctx->coded_frame); - return 0; -} - -static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, - const AVFrame *p, int *got_packet) -{ - PutBitContext pb; - int x, y, ret; - - if ((ret = ff_alloc_packet(pkt, 32*avctx->height*avctx->width/4)) < 0) { - av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n"); - return ret; - } - - avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; - avctx->coded_frame->key_frame = 1; - - init_put_bits(&pb, pkt->data, pkt->size); - - for (y = 0; y < avctx->height; y++) { - uint8_t *luma = &p->data[0][y * p->linesize[0]]; - uint8_t *cb = &p->data[1][y * p->linesize[1]]; - uint8_t *cr = &p->data[2][y * p->linesize[2]]; - for (x = 0; x < avctx->width; x += 4) { - put_bits(&pb, 5, luma[3] >> 3); - put_bits(&pb, 5, luma[2] >> 3); - put_bits(&pb, 5, luma[1] >> 3); - put_bits(&pb, 5, luma[0] >> 3); - luma += 4; - put_bits(&pb, 6, *(cb++) >> 2); - put_bits(&pb, 6, *(cr++) >> 2); - } - } - - flush_put_bits(&pb); - - pkt->size = put_bits_count(&pb) / 8; - pkt->flags |= AV_PKT_FLAG_KEY; - *got_packet = 1; - return 0; -} - -AVCodec ff_cljr_encoder = { - .name = "cljr", - .long_name = NULL_IF_CONFIG_SMALL("Cirrus Logic AccuPak"), - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_CLJR, - .init = encode_init, - .encode2 = encode_frame, - .close = encode_close, - .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV411P, - AV_PIX_FMT_NONE }, -}; -#endif diff --git a/libavcodec/cljrenc.c b/libavcodec/cljrenc.c new file mode 100644 index 0000000000..2c315555e6 --- /dev/null +++ b/libavcodec/cljrenc.c @@ -0,0 +1,97 @@ +/* + * Cirrus Logic AccuPak (CLJR) encoder + * Copyright (c) 2003 Alex Beregszaszi + * + * This file is part of Libav. + * + * Libav 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, + * 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 + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * Cirrus Logic AccuPak encoder. + */ + +#include "libavutil/common.h" + +#include "avcodec.h" +#include "internal.h" +#include "put_bits.h" + +static av_cold int encode_init(AVCodecContext *avctx) +{ + avctx->coded_frame = av_frame_alloc(); + if (!avctx->coded_frame) + return AVERROR(ENOMEM); + + return 0; +} + +static av_cold int encode_close(AVCodecContext *avctx) +{ + av_frame_free(&avctx->coded_frame); + return 0; +} + +static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, + const AVFrame *p, int *got_packet) +{ + PutBitContext pb; + int x, y, ret; + + if ((ret = ff_alloc_packet(pkt, 32*avctx->height*avctx->width/4)) < 0) { + av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n"); + return ret; + } + + avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; + avctx->coded_frame->key_frame = 1; + + init_put_bits(&pb, pkt->data, pkt->size); + + for (y = 0; y < avctx->height; y++) { + uint8_t *luma = &p->data[0][y * p->linesize[0]]; + uint8_t *cb = &p->data[1][y * p->linesize[1]]; + uint8_t *cr = &p->data[2][y * p->linesize[2]]; + for (x = 0; x < avctx->width; x += 4) { + put_bits(&pb, 5, luma[3] >> 3); + put_bits(&pb, 5, luma[2] >> 3); + put_bits(&pb, 5, luma[1] >> 3); + put_bits(&pb, 5, luma[0] >> 3); + luma += 4; + put_bits(&pb, 6, *(cb++) >> 2); + put_bits(&pb, 6, *(cr++) >> 2); + } + } + + flush_put_bits(&pb); + + pkt->size = put_bits_count(&pb) / 8; + pkt->flags |= AV_PKT_FLAG_KEY; + *got_packet = 1; + return 0; +} + +AVCodec ff_cljr_encoder = { + .name = "cljr", + .long_name = NULL_IF_CONFIG_SMALL("Cirrus Logic AccuPak"), + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_CLJR, + .init = encode_init, + .encode2 = encode_frame, + .close = encode_close, + .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV411P, + AV_PIX_FMT_NONE }, +}; |