/*
* Raw Video Codec
- * Copyright (c) 2001 Fabrice Bellard.
+ * Copyright (c) 2001 Fabrice Bellard
*
- * This library is free software; you can redistribute it and/or
+ * 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * 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 this library; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file raw.c
+ * @file
* Raw Video Codec
*/
#include "avcodec.h"
-
-typedef struct RawVideoContext {
- unsigned char * buffer; /* block of memory for holding one frame */
- int length; /* number of bytes in buffer */
- AVFrame pic; ///< AVCodecContext.coded_frame
-} RawVideoContext;
-
-typedef struct PixelFormatTag {
- 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_YUV420P, MKTAG('Y', 'V', '1', '2') },
- { 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', 'U', 'Y', '2') }, /* Packed formats */
- { PIX_FMT_YUV422, MKTAG('Y', '4', '2', '2') },
- { PIX_FMT_UYVY422, MKTAG('U', 'Y', 'V', 'Y') },
- { PIX_FMT_GRAY8, MKTAG('G', 'R', 'E', 'Y') },
+#include "raw.h"
+#include "libavutil/common.h"
+
+const PixelFormatTag ff_raw_pix_fmt_tags[] = {
+ { AV_PIX_FMT_YUV420P, MKTAG('I', '4', '2', '0') }, /* Planar formats */
+ { AV_PIX_FMT_YUV420P, MKTAG('I', 'Y', 'U', 'V') },
+ { AV_PIX_FMT_YUV420P, MKTAG('Y', 'V', '1', '2') },
+ { AV_PIX_FMT_YUV410P, MKTAG('Y', 'U', 'V', '9') },
+ { AV_PIX_FMT_YUV410P, MKTAG('Y', 'V', 'U', '9') },
+ { AV_PIX_FMT_YUV411P, MKTAG('Y', '4', '1', 'B') },
+ { AV_PIX_FMT_YUV422P, MKTAG('Y', '4', '2', 'B') },
+ { AV_PIX_FMT_YUV422P, MKTAG('P', '4', '2', '2') },
+ { AV_PIX_FMT_YUV422P, MKTAG('Y', 'V', '1', '6') },
+ /* yuvjXXX formats are deprecated hacks specific to libav*,
+ they are identical to yuvXXX */
+ { AV_PIX_FMT_YUVJ420P, MKTAG('I', '4', '2', '0') }, /* Planar formats */
+ { AV_PIX_FMT_YUVJ420P, MKTAG('I', 'Y', 'U', 'V') },
+ { AV_PIX_FMT_YUVJ420P, MKTAG('Y', 'V', '1', '2') },
+ { AV_PIX_FMT_YUVJ422P, MKTAG('Y', '4', '2', 'B') },
+ { AV_PIX_FMT_YUVJ422P, MKTAG('P', '4', '2', '2') },
+ { AV_PIX_FMT_GRAY8, MKTAG('Y', '8', '0', '0') },
+ { AV_PIX_FMT_GRAY8, MKTAG('Y', '8', ' ', ' ') },
+
+ { AV_PIX_FMT_YUYV422, MKTAG('Y', 'U', 'Y', '2') }, /* Packed formats */
+ { AV_PIX_FMT_YUYV422, MKTAG('Y', '4', '2', '2') },
+ { AV_PIX_FMT_YUYV422, MKTAG('V', '4', '2', '2') },
+ { AV_PIX_FMT_YUYV422, MKTAG('V', 'Y', 'U', 'Y') },
+ { AV_PIX_FMT_YUYV422, MKTAG('Y', 'U', 'N', 'V') },
+ { AV_PIX_FMT_YUYV422, MKTAG('Y', 'U', 'Y', 'V') },
+ { AV_PIX_FMT_YVYU422, MKTAG('Y', 'V', 'Y', 'U') }, /* Philips */
+ { AV_PIX_FMT_UYVY422, MKTAG('U', 'Y', 'V', 'Y') },
+ { AV_PIX_FMT_UYVY422, MKTAG('H', 'D', 'Y', 'C') },
+ { AV_PIX_FMT_UYVY422, MKTAG('U', 'Y', 'N', 'V') },
+ { AV_PIX_FMT_UYVY422, MKTAG('U', 'Y', 'N', 'Y') },
+ { AV_PIX_FMT_UYVY422, MKTAG('u', 'y', 'v', '1') },
+ { AV_PIX_FMT_UYVY422, MKTAG('2', 'V', 'u', '1') },
+ { AV_PIX_FMT_UYVY422, MKTAG('A', 'V', 'R', 'n') }, /* Avid AVI Codec 1:1 */
+ { AV_PIX_FMT_UYVY422, MKTAG('A', 'V', '1', 'x') }, /* Avid 1:1x */
+ { AV_PIX_FMT_UYVY422, MKTAG('A', 'V', 'u', 'p') },
+ { AV_PIX_FMT_UYVY422, MKTAG('V', 'D', 'T', 'Z') }, /* SoftLab-NSK VideoTizer */
+ { AV_PIX_FMT_UYVY422, MKTAG('a', 'u', 'v', '2') },
+ { AV_PIX_FMT_UYYVYY411, MKTAG('Y', '4', '1', '1') },
+ { AV_PIX_FMT_GRAY8, MKTAG('G', 'R', 'E', 'Y') },
+ { AV_PIX_FMT_NV12, MKTAG('N', 'V', '1', '2') },
+ { AV_PIX_FMT_NV21, MKTAG('N', 'V', '2', '1') },
+
+ /* nut */
+ { AV_PIX_FMT_RGB555LE, MKTAG('R', 'G', 'B', 15) },
+ { AV_PIX_FMT_BGR555LE, MKTAG('B', 'G', 'R', 15) },
+ { AV_PIX_FMT_RGB565LE, MKTAG('R', 'G', 'B', 16) },
+ { AV_PIX_FMT_BGR565LE, MKTAG('B', 'G', 'R', 16) },
+ { AV_PIX_FMT_RGB555BE, MKTAG(15 , 'B', 'G', 'R') },
+ { AV_PIX_FMT_BGR555BE, MKTAG(15 , 'R', 'G', 'B') },
+ { AV_PIX_FMT_RGB565BE, MKTAG(16 , 'B', 'G', 'R') },
+ { AV_PIX_FMT_BGR565BE, MKTAG(16 , 'R', 'G', 'B') },
+ { AV_PIX_FMT_RGB444LE, MKTAG('R', 'G', 'B', 12) },
+ { AV_PIX_FMT_BGR444LE, MKTAG('B', 'G', 'R', 12) },
+ { AV_PIX_FMT_RGB444BE, MKTAG(12 , 'B', 'G', 'R') },
+ { AV_PIX_FMT_BGR444BE, MKTAG(12 , 'R', 'G', 'B') },
+ { AV_PIX_FMT_RGBA, MKTAG('R', 'G', 'B', 'A') },
+ { AV_PIX_FMT_BGRA, MKTAG('B', 'G', 'R', 'A') },
+ { AV_PIX_FMT_RGBA64LE, MKTAG('R', 'B', 'A', 64 ) },
+ { AV_PIX_FMT_BGRA64LE, MKTAG('B', 'R', 'A', 64 ) },
+ { AV_PIX_FMT_RGBA64BE, MKTAG(64 , 'R', 'B', 'A') },
+ { AV_PIX_FMT_BGRA64BE, MKTAG(64 , 'B', 'R', 'A') },
+ { AV_PIX_FMT_ABGR, MKTAG('A', 'B', 'G', 'R') },
+ { AV_PIX_FMT_ARGB, MKTAG('A', 'R', 'G', 'B') },
+ { AV_PIX_FMT_RGB24, MKTAG('R', 'G', 'B', 24 ) },
+ { AV_PIX_FMT_BGR24, MKTAG('B', 'G', 'R', 24 ) },
+ { AV_PIX_FMT_YUV411P, MKTAG('4', '1', '1', 'P') },
+ { AV_PIX_FMT_YUV422P, MKTAG('4', '2', '2', 'P') },
+ { AV_PIX_FMT_YUVJ422P, MKTAG('4', '2', '2', 'P') },
+ { AV_PIX_FMT_YUV440P, MKTAG('4', '4', '0', 'P') },
+ { AV_PIX_FMT_YUVJ440P, MKTAG('4', '4', '0', 'P') },
+ { AV_PIX_FMT_YUV444P, MKTAG('4', '4', '4', 'P') },
+ { AV_PIX_FMT_YUVJ444P, MKTAG('4', '4', '4', 'P') },
+ { AV_PIX_FMT_MONOWHITE,MKTAG('B', '1', 'W', '0') },
+ { AV_PIX_FMT_MONOBLACK,MKTAG('B', '0', 'W', '1') },
+ { AV_PIX_FMT_BGR8, MKTAG('B', 'G', 'R', 8 ) },
+ { AV_PIX_FMT_RGB8, MKTAG('R', 'G', 'B', 8 ) },
+ { AV_PIX_FMT_BGR4, MKTAG('B', 'G', 'R', 4 ) },
+ { AV_PIX_FMT_RGB4, MKTAG('R', 'G', 'B', 4 ) },
+ { AV_PIX_FMT_RGB4_BYTE,MKTAG('B', '4', 'B', 'Y') },
+ { AV_PIX_FMT_BGR4_BYTE,MKTAG('R', '4', 'B', 'Y') },
+ { AV_PIX_FMT_RGB48LE, MKTAG('R', 'G', 'B', 48 ) },
+ { AV_PIX_FMT_RGB48BE, MKTAG( 48, 'R', 'G', 'B') },
+ { AV_PIX_FMT_BGR48LE, MKTAG('B', 'G', 'R', 48 ) },
+ { AV_PIX_FMT_BGR48BE, MKTAG( 48, 'B', 'G', 'R') },
+ { AV_PIX_FMT_GRAY16LE, MKTAG('Y', '1', 0 , 16 ) },
+ { AV_PIX_FMT_GRAY16BE, MKTAG(16 , 0 , '1', 'Y') },
+ { AV_PIX_FMT_YUV420P10LE, MKTAG('Y', '3', 11 , 10 ) },
+ { AV_PIX_FMT_YUV420P10BE, MKTAG(10 , 11 , '3', 'Y') },
+ { AV_PIX_FMT_YUV422P10LE, MKTAG('Y', '3', 10 , 10 ) },
+ { AV_PIX_FMT_YUV422P10BE, MKTAG(10 , 10 , '3', 'Y') },
+ { AV_PIX_FMT_YUV444P10LE, MKTAG('Y', '3', 0 , 10 ) },
+ { AV_PIX_FMT_YUV444P10BE, MKTAG(10 , 0 , '3', 'Y') },
+ { AV_PIX_FMT_YUV420P16LE, MKTAG('Y', '3', 11 , 16 ) },
+ { AV_PIX_FMT_YUV420P16BE, MKTAG(16 , 11 , '3', 'Y') },
+ { AV_PIX_FMT_YUV422P16LE, MKTAG('Y', '3', 10 , 16 ) },
+ { AV_PIX_FMT_YUV422P16BE, MKTAG(16 , 10 , '3', 'Y') },
+ { AV_PIX_FMT_YUV444P16LE, MKTAG('Y', '3', 0 , 16 ) },
+ { AV_PIX_FMT_YUV444P16BE, MKTAG(16 , 0 , '3', 'Y') },
+ { AV_PIX_FMT_YUVA420P, MKTAG('Y', '4', 11 , 8 ) },
+ { AV_PIX_FMT_YA8, MKTAG('Y', '2', 0 , 8 ) },
+
+ { AV_PIX_FMT_YUVA420P9LE, MKTAG('Y', '4', 11 , 9 ) },
+ { AV_PIX_FMT_YUVA420P9BE, MKTAG( 9 , 11 , '4', 'Y') },
+ { AV_PIX_FMT_YUVA422P9LE, MKTAG('Y', '4', 10 , 9 ) },
+ { AV_PIX_FMT_YUVA422P9BE, MKTAG( 9 , 10 , '4', 'Y') },
+ { AV_PIX_FMT_YUVA444P9LE, MKTAG('Y', '4', 0 , 9 ) },
+ { AV_PIX_FMT_YUVA444P9BE, MKTAG( 9 , 0 , '4', 'Y') },
+ { AV_PIX_FMT_YUVA420P10LE, MKTAG('Y', '4', 11 , 10 ) },
+ { AV_PIX_FMT_YUVA420P10BE, MKTAG(10 , 11 , '4', 'Y') },
+ { AV_PIX_FMT_YUVA422P10LE, MKTAG('Y', '4', 10 , 10 ) },
+ { AV_PIX_FMT_YUVA422P10BE, MKTAG(10 , 10 , '4', 'Y') },
+ { AV_PIX_FMT_YUVA444P10LE, MKTAG('Y', '4', 0 , 10 ) },
+ { AV_PIX_FMT_YUVA444P10BE, MKTAG(10 , 0 , '4', 'Y') },
+ { AV_PIX_FMT_YUVA420P16LE, MKTAG('Y', '4', 11 , 16 ) },
+ { AV_PIX_FMT_YUVA420P16BE, MKTAG(16 , 11 , '4', 'Y') },
+ { AV_PIX_FMT_YUVA422P16LE, MKTAG('Y', '4', 10 , 16 ) },
+ { AV_PIX_FMT_YUVA422P16BE, MKTAG(16 , 10 , '4', 'Y') },
+ { AV_PIX_FMT_YUVA444P16LE, MKTAG('Y', '4', 0 , 16 ) },
+ { AV_PIX_FMT_YUVA444P16BE, MKTAG(16 , 0 , '4', 'Y') },
/* quicktime */
- { PIX_FMT_UYVY422, MKTAG('2', 'v', 'u', 'y') },
-
- { -1, 0 },
+ { AV_PIX_FMT_UYVY422, MKTAG('2', 'v', 'u', 'y') },
+ { AV_PIX_FMT_UYVY422, MKTAG('2', 'V', 'u', 'y') },
+ { AV_PIX_FMT_UYVY422, MKTAG('A', 'V', 'U', 'I') }, /* FIXME merge both fields */
+ { AV_PIX_FMT_YUYV422, MKTAG('y', 'u', 'v', '2') },
+ { AV_PIX_FMT_YUYV422, MKTAG('y', 'u', 'v', 's') },
+ { AV_PIX_FMT_YUYV422, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
+ { AV_PIX_FMT_RGB555LE,MKTAG('L', '5', '5', '5') },
+ { AV_PIX_FMT_RGB565LE,MKTAG('L', '5', '6', '5') },
+ { AV_PIX_FMT_RGB565BE,MKTAG('B', '5', '6', '5') },
+ { AV_PIX_FMT_BGR24, MKTAG('2', '4', 'B', 'G') },
+ { AV_PIX_FMT_BGRA, MKTAG('B', 'G', 'R', 'A') },
+ { AV_PIX_FMT_RGBA, MKTAG('R', 'G', 'B', 'A') },
+ { AV_PIX_FMT_ABGR, MKTAG('A', 'B', 'G', 'R') },
+ { AV_PIX_FMT_GRAY16BE,MKTAG('b', '1', '6', 'g') },
+ { AV_PIX_FMT_RGB48BE, MKTAG('b', '4', '8', 'r') },
+
+ /* special */
+ { AV_PIX_FMT_RGB565LE,MKTAG( 3 , 0 , 0 , 0 ) }, /* flipped RGB565LE */
+ { AV_PIX_FMT_YUV444P, MKTAG('Y', 'V', '2', '4') }, /* YUV444P, swapped UV */
+
+ { AV_PIX_FMT_NONE, 0 },
};
-static int findPixelFormat(unsigned int fourcc)
+unsigned int avcodec_pix_fmt_to_codec_tag(enum AVPixelFormat fmt)
{
- const PixelFormatTag * tags = pixelFormatTags;
- while (tags->pix_fmt >= 0) {
- if (tags->fourcc == fourcc)
- return tags->pix_fmt;
- tags++;
- }
- return PIX_FMT_YUV420P;
-}
-
-unsigned int avcodec_pix_fmt_to_codec_tag(enum PixelFormat fmt)
-{
- const PixelFormatTag * tags = pixelFormatTags;
+ const PixelFormatTag *tags = ff_raw_pix_fmt_tags;
while (tags->pix_fmt >= 0) {
if (tags->pix_fmt == fmt)
return tags->fourcc;
}
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);
- else if (avctx->bits_per_sample){
- switch(avctx->bits_per_sample){
- case 8: avctx->pix_fmt= PIX_FMT_PAL8 ; break;
- case 15: avctx->pix_fmt= PIX_FMT_RGB555; break;
- case 16: avctx->pix_fmt= PIX_FMT_RGB565; break;
- case 24: avctx->pix_fmt= PIX_FMT_BGR24 ; break;
- case 32: avctx->pix_fmt= PIX_FMT_RGBA32; break;
- }
- }
-
- context->length = avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height);
- context->buffer = av_malloc(context->length);
- 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 void flip(AVCodecContext *avctx, AVPicture * picture){
- if(!avctx->codec_tag && avctx->bits_per_sample && picture->linesize[2]==0){
- picture->data[0] += picture->linesize[0] * (avctx->height-1);
- picture->linesize[0] *= -1;
- }
-}
-
-static int raw_decode(AVCodecContext *avctx,
- void *data, int *data_size,
- uint8_t *buf, int buf_size)
-{
- RawVideoContext *context = avctx->priv_data;
-
- AVFrame * frame = (AVFrame *) data;
- AVPicture * picture = (AVPicture *) data;
-
- frame->interlaced_frame = avctx->coded_frame->interlaced_frame;
- frame->top_field_first = avctx->coded_frame->top_field_first;
-
- if(buf_size < context->length - (avctx->pix_fmt==PIX_FMT_PAL8 ? 256*4 : 0))
- return -1;
-
- avpicture_fill(picture, buf, avctx->pix_fmt, avctx->width, avctx->height);
- if(avctx->pix_fmt==PIX_FMT_PAL8 && buf_size < context->length){
- frame->data[1]= context->buffer;
- }
- if (avctx->palctrl && avctx->palctrl->palette_changed) {
- memcpy(frame->data[1], avctx->palctrl->palette, AVPALETTE_SIZE);
- avctx->palctrl->palette_changed = 0;
- }
-
- flip(avctx, picture);
-
- if (avctx->codec_tag == MKTAG('Y', 'V', '1', '2'))
- {
- // swap fields
- unsigned char *tmp = picture->data[1];
- picture->data[1] = picture->data[2];
- picture->data[2] = tmp;
- }
-
- *data_size = sizeof(AVPicture);
- return buf_size;
-}
-
-static int raw_close_decoder(AVCodecContext *avctx)
-{
- RawVideoContext *context = avctx->priv_data;
-
- av_freep(&context->buffer);
- return 0;
-}
-
-/* RAW Encoder Implementation */
-#ifdef CONFIG_RAWVIDEO_ENCODER
-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;
- if(!avctx->codec_tag)
- avctx->codec_tag = avcodec_pix_fmt_to_codec_tag(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,
-};
-#endif // CONFIG_RAWVIDEO_ENCODER
-
-AVCodec rawvideo_decoder = {
- "rawvideo",
- CODEC_TYPE_VIDEO,
- CODEC_ID_RAWVIDEO,
- sizeof(RawVideoContext),
- raw_init_decoder,
- NULL,
- raw_close_decoder,
- raw_decode,
-};
projects / ffmpeg / blobdiff