split rawvideo encoder and decoder in their own files

Originally committed as revision 9560 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/Makefile

@@ -137,6 +137,8 @@ OBJS-$(CONFIG_QTRLE_DECODER)           += qtrle.o
 OBJS-$(CONFIG_QTRLE_ENCODER)           += qtrleenc.o
 OBJS-$(CONFIG_RA_144_DECODER)          += ra144.o
 OBJS-$(CONFIG_RA_288_DECODER)          += ra288.o
+OBJS-$(CONFIG_RAWVIDEO_DECODER)        += rawdec.o
+OBJS-$(CONFIG_RAWVIDEO_ENCODER)        += rawenc.o
 OBJS-$(CONFIG_ROQ_DECODER)             += roqvideodec.o roqvideo.o
 OBJS-$(CONFIG_ROQ_ENCODER)             += roqvideoenc.o roqvideo.o elbg.o
 OBJS-$(CONFIG_ROQ_DPCM_DECODER)        += dpcm.o

libavcodec/raw.c

@@ -25,19 +25,9 @@
  */
 
 #include "avcodec.h"
+#include "raw.h"
 
-typedef struct RawVideoContext {
+const PixelFormatTag ff_raw_pixelFormatTags[] = {
-    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;
-
-static 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') },
@@ -64,38 +54,9 @@ static const PixelFormatTag pixelFormatTags[] = {
     { -1, 0 },
 };
 
-static const PixelFormatTag pixelFormatBpsAVI[] = {
-    { PIX_FMT_PAL8,    8 },
-    { PIX_FMT_RGB555, 15 },
-    { PIX_FMT_RGB555, 16 },
-    { PIX_FMT_BGR24,  24 },
-    { PIX_FMT_RGB32,  32 },
-    { -1, 0 },
-};
-
-static const PixelFormatTag pixelFormatBpsMOV[] = {
-    /* FIXME fix swscaler to support those */
-    /* http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html */
-    { PIX_FMT_PAL8,      8 },
-    { PIX_FMT_BGR555,   16 },
-    { PIX_FMT_RGB24,    24 },
-    { PIX_FMT_BGR32_1,  32 },
-    { -1, 0 },
-};
-
-static int findPixelFormat(const PixelFormatTag *tags, unsigned int fourcc)
-{
-    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_pixelFormatTags;
     while (tags->pix_fmt >= 0) {
         if (tags->pix_fmt == fmt)
             return tags->fourcc;
@@ -103,124 +64,3 @@ unsigned int avcodec_pix_fmt_to_codec_tag(enum PixelFormat fmt)
     }
     return 0;
 }
-
-/* RAW Decoder Implementation */
-
-static int raw_init_decoder(AVCodecContext *avctx)
-{
-    RawVideoContext *context = avctx->priv_data;
-
-    if (avctx->codec_tag == MKTAG('r','a','w',' '))
-        avctx->pix_fmt = findPixelFormat(pixelFormatBpsMOV, avctx->bits_per_sample);
-    else if (avctx->codec_tag)
-        avctx->pix_fmt = findPixelFormat(pixelFormatTags,   avctx->codec_tag);
-    else if (avctx->bits_per_sample)
-        avctx->pix_fmt = findPixelFormat(pixelFormatBpsAVI, avctx->bits_per_sample);
-
-    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
-
-#ifdef CONFIG_RAWVIDEO_DECODER
-AVCodec rawvideo_decoder = {
-    "rawvideo",
-    CODEC_TYPE_VIDEO,
-    CODEC_ID_RAWVIDEO,
-    sizeof(RawVideoContext),
-    raw_init_decoder,
-    NULL,
-    raw_close_decoder,
-    raw_decode,
-};
-#endif // CONFIG_RAWVIDEO_DECODER

libavcodec/raw.h

@@ -0,0 +1,39 @@
+/*
+ * Raw Video Codec
+ * Copyright (c) 2001 Fabrice Bellard.
+ *
+ * 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
+ */
+
+/**
+ * @file raw.h
+ * Raw Video Codec
+ */
+
+#ifndef AVCODEC_RAW_H
+#define AVCODEC_RAW_H
+
+#include "avcodec.h"
+
+typedef struct PixelFormatTag {
+    int pix_fmt;
+    unsigned int fourcc;
+} PixelFormatTag;
+
+extern const PixelFormatTag ff_raw_pixelFormatTags[];
+
+#endif /* AVCODEC_RAW_H */

libavcodec/rawdec.c

@@ -0,0 +1,151 @@
+/*
+ * Raw Video Decoder
+ * Copyright (c) 2001 Fabrice Bellard.
+ *
+ * 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
+ */
+
+/**
+ * @file rawdec.c
+ * Raw Video Decoder
+ */
+
+#include "avcodec.h"
+#include "raw.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;
+
+static const PixelFormatTag pixelFormatBpsAVI[] = {
+    { PIX_FMT_PAL8,    8 },
+    { PIX_FMT_RGB555, 15 },
+    { PIX_FMT_RGB555, 16 },
+    { PIX_FMT_BGR24,  24 },
+    { PIX_FMT_RGB32,  32 },
+    { -1, 0 },
+};
+
+static const PixelFormatTag pixelFormatBpsMOV[] = {
+    /* FIXME fix swscaler to support those */
+    /* http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html */
+    { PIX_FMT_PAL8,      8 },
+    { PIX_FMT_BGR555,   16 },
+    { PIX_FMT_RGB24,    24 },
+    { PIX_FMT_BGR32_1,  32 },
+    { -1, 0 },
+};
+
+static int findPixelFormat(const PixelFormatTag *tags, unsigned int fourcc)
+{
+    while (tags->pix_fmt >= 0) {
+        if (tags->fourcc == fourcc)
+            return tags->pix_fmt;
+        tags++;
+    }
+    return PIX_FMT_YUV420P;
+}
+
+static int raw_init_decoder(AVCodecContext *avctx)
+{
+    RawVideoContext *context = avctx->priv_data;
+
+    if (avctx->codec_tag == MKTAG('r','a','w',' '))
+        avctx->pix_fmt = findPixelFormat(pixelFormatBpsMOV, avctx->bits_per_sample);
+    else if (avctx->codec_tag)
+        avctx->pix_fmt = findPixelFormat(ff_raw_pixelFormatTags, avctx->codec_tag);
+    else if (avctx->bits_per_sample)
+        avctx->pix_fmt = findPixelFormat(pixelFormatBpsAVI, avctx->bits_per_sample);
+
+    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;
+}
+
+AVCodec rawvideo_decoder = {
+    "rawvideo",
+    CODEC_TYPE_VIDEO,
+    CODEC_ID_RAWVIDEO,
+    sizeof(RawVideoContext),
+    raw_init_decoder,
+    NULL,
+    raw_close_decoder,
+    raw_decode,
+};

libavcodec/rawenc.c

@@ -0,0 +1,54 @@
+/*
+ * Raw Video Encoder
+ * Copyright (c) 2001 Fabrice Bellard.
+ *
+ * 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
+ */
+
+/**
+ * @file rawenc.c
+ * Raw Video Encoder
+ */
+
+#include "avcodec.h"
+#include "raw.h"
+
+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,
+};