X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftags%2Fsynfig_0_61_03%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavcodec%2Fraw.c;fp=synfig-core%2Ftags%2Fsynfig_0_61_03%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavcodec%2Fraw.c;h=0000000000000000000000000000000000000000;hb=6fa8f2f38d4b0b35f8539bf94e27ae27015c7689;hp=ee4b6fdc66d47a33ba60c7f1a6e095491efb614f;hpb=47fce282611fbba1044921d22ca887f9b53ad91a;p=synfig.git diff --git a/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_libavcodec/libavcodec/raw.c b/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_libavcodec/libavcodec/raw.c deleted file mode 100644 index ee4b6fd..0000000 --- a/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_libavcodec/libavcodec/raw.c +++ /dev/null @@ -1,176 +0,0 @@ -/* - * Raw Video Codec - * Copyright (c) 2001 Fabrice Bellard. - * - * This library 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 of the License, or (at your option) any later version. - * - * This library 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 this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/** - * @file raw.c - * Raw Video Codec - */ - -#include "avcodec.h" - -typedef struct RawVideoContext { - unsigned char * buffer; /* block of memory for holding one frame */ - unsigned char * p; /* current position in buffer */ - int length; /* number of bytes in buffer */ - AVFrame pic; ///< AVCodecContext.coded_frame -} RawVideoContext; - -typedef struct PixleFormatTag { - int pix_fmt; - unsigned int fourcc; -} PixelFormatTag; - -const PixelFormatTag pixelFormatTags[] = { - { PIX_FMT_YUV420P, MKTAG('I', '4', '2', '0') }, /* Planar formats */ - { PIX_FMT_YUV420P, MKTAG('I', 'Y', 'U', 'V') }, - { PIX_FMT_YUV410P, MKTAG('Y', 'U', 'V', '9') }, - { PIX_FMT_YUV411P, MKTAG('Y', '4', '1', 'B') }, - { PIX_FMT_YUV422P, MKTAG('Y', '4', '2', 'B') }, - { PIX_FMT_GRAY8, MKTAG('Y', '8', '0', '0') }, - { PIX_FMT_GRAY8, MKTAG(' ', ' ', 'Y', '8') }, - - - { PIX_FMT_YUV422, MKTAG('Y', '4', '2', '2') }, /* Packed formats */ - { PIX_FMT_YUV422, MKTAG('U', 'Y', 'V', 'Y') }, - { PIX_FMT_GRAY8, MKTAG('G', 'R', 'E', 'Y') }, - - { -1, 0 }, -}; - -static int findPixelFormat(unsigned int fourcc) -{ - const PixelFormatTag * tags = pixelFormatTags; - while (tags->pix_fmt >= 0) { - if (tags->fourcc == fourcc) - return tags->pix_fmt; - tags++; - } - return PIX_FMT_YUV420P; -} - -static unsigned int findFourCC(int fmt) -{ - const PixelFormatTag * tags = pixelFormatTags; - while (tags->pix_fmt >= 0) { - if (tags->pix_fmt == fmt) - return tags->fourcc; - tags++; - } - return 0; -} - -/* RAW Decoder Implementation */ - -static int raw_init_decoder(AVCodecContext *avctx) -{ - RawVideoContext *context = avctx->priv_data; - - if (avctx->codec_tag) - avctx->pix_fmt = findPixelFormat(avctx->codec_tag); - - context->length = avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height); - context->buffer = av_malloc(context->length); - context->p = context->buffer; - context->pic.pict_type = FF_I_TYPE; - context->pic.key_frame = 1; - - avctx->coded_frame= &context->pic; - - if (!context->buffer) - return -1; - - return 0; -} - -static int raw_decode(AVCodecContext *avctx, - void *data, int *data_size, - uint8_t *buf, int buf_size) -{ - RawVideoContext *context = avctx->priv_data; - int bytesNeeded; - - AVPicture * picture = (AVPicture *) data; - - /* Early out without copy if packet size == frame size */ - if (buf_size == context->length && context->p == context->buffer) { - avpicture_fill(picture, buf, avctx->pix_fmt, avctx->width, avctx->height); - *data_size = sizeof(AVPicture); - return buf_size; - } - - bytesNeeded = context->length - (context->p - context->buffer); - if (buf_size < bytesNeeded) { - memcpy(context->p, buf, buf_size); - context->p += buf_size; - *data_size = 0; - return buf_size; - } - - memcpy(context->p, buf, bytesNeeded); - context->p = context->buffer; - avpicture_fill(picture, context->buffer, avctx->pix_fmt, avctx->width, avctx->height); - *data_size = sizeof(AVPicture); - return bytesNeeded; -} - -static int raw_close_decoder(AVCodecContext *avctx) -{ - RawVideoContext *context = avctx->priv_data; - - av_freep(&context->buffer); - return 0; -} - -/* RAW Encoder Implementation */ - -static int raw_init_encoder(AVCodecContext *avctx) -{ - avctx->coded_frame = (AVFrame *)avctx->priv_data; - avctx->coded_frame->pict_type = FF_I_TYPE; - avctx->coded_frame->key_frame = 1; - avctx->codec_tag = findFourCC(avctx->pix_fmt); - return 0; -} - -static int raw_encode(AVCodecContext *avctx, - unsigned char *frame, int buf_size, void *data) -{ - return avpicture_layout((AVPicture *)data, avctx->pix_fmt, avctx->width, - avctx->height, frame, buf_size); -} - -AVCodec rawvideo_encoder = { - "rawvideo", - CODEC_TYPE_VIDEO, - CODEC_ID_RAWVIDEO, - sizeof(AVFrame), - raw_init_encoder, - raw_encode, -}; - -AVCodec rawvideo_decoder = { - "rawvideo", - CODEC_TYPE_VIDEO, - CODEC_ID_RAWVIDEO, - sizeof(RawVideoContext), - raw_init_decoder, - NULL, - raw_close_decoder, - raw_decode, -};