Remove deprecated vhook subsystem.

Originally committed as revision 17769 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 0 insertions, 374 deletions

diff --git a/vhook/ppm.c b/vhook/ppm.c
deleted file mode 100644
index 86fad1dc59..0000000000
--- a/vhook/ppm.c
+++ /dev/null
@@ -1,374 +0,0 @@
-/*
- * PPM Video Hook
- * Copyright (c) 2003 Charles Yates
- *
- * 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 <stdio.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <ctype.h>
-#include "libavutil/avstring.h"
-#include "libavformat/framehook.h"
-#include "libavformat/avformat.h"
-#include "libswscale/swscale.h"
-#undef fprintf
-
-static int sws_flags = SWS_BICUBIC;
-
-/** Bi-directional pipe structure.
-*/
-
-typedef struct rwpipe
-{
-    int pid;
-    FILE *reader;
-    FILE *writer;
-}
-rwpipe;
-
-/** Create a bidirectional pipe for the given command.
-*/
-
-static rwpipe *rwpipe_open( int argc, char *argv[] )
-{
-    rwpipe *this = av_mallocz( sizeof( rwpipe ) );
-
-    if ( this != NULL )
-    {
-        int input[ 2 ];
-        int output[ 2 ];
-
-        if (!pipe( input ))
-            return NULL;
-
-        if (!pipe( output ))
-            return NULL;
-
-        this->pid = fork();
-
-        if ( this->pid == 0 )
-        {
-#define COMMAND_SIZE 10240
-            char *command = av_mallocz( COMMAND_SIZE );
-            int i;
-
-            strcpy( command, "" );
-            for ( i = 0; i < argc; i ++ )
-            {
-                av_strlcat( command, argv[ i ], COMMAND_SIZE );
-                av_strlcat( command, " ", COMMAND_SIZE );
-            }
-
-            dup2( output[ 0 ], STDIN_FILENO );
-            dup2( input[ 1 ], STDOUT_FILENO );
-
-            close( input[ 0 ] );
-            close( input[ 1 ] );
-            close( output[ 0 ] );
-            close( output[ 1 ] );
-
-            execl("/bin/sh", "sh", "-c", command, (char*)NULL );
-            _exit( 255 );
-        }
-        else
-        {
-            close( input[ 1 ] );
-            close( output[ 0 ] );
-
-            this->reader = fdopen( input[ 0 ], "r" );
-            this->writer = fdopen( output[ 1 ], "w" );
-        }
-    }
-
-    return this;
-}
-
-/** Read data from the pipe.
-*/
-
-static FILE *rwpipe_reader( rwpipe *this )
-{
-    if ( this != NULL )
-        return this->reader;
-    else
-        return NULL;
-}
-
-/** Write data to the pipe.
-*/
-
-static FILE *rwpipe_writer( rwpipe *this )
-{
-    if ( this != NULL )
-        return this->writer;
-    else
-        return NULL;
-}
-
-/* Read a number from the pipe - assumes PNM style headers.
-*/
-
-static int rwpipe_read_number( rwpipe *rw )
-{
-    int value = 0;
-    int c = 0;
-    FILE *in = rwpipe_reader( rw );
-
-    do
-    {
-        c = fgetc( in );
-
-        while( c != EOF && !isdigit( c ) && c != '#' )
-            c = fgetc( in );
-
-        if ( c == '#' )
-            while( c != EOF && c != '\n' )
-                c = fgetc( in );
-    }
-    while ( c != EOF && !isdigit( c ) );
-
-    while( c != EOF && isdigit( c ) )
-    {
-        value = value * 10 + ( c - '0' );
-        c = fgetc( in );
-    }
-
-    return value;
-}
-
-/** Read a PPM P6 header.
-*/
-
-static int rwpipe_read_ppm_header( rwpipe *rw, int *width, int *height )
-{
-    char line[ 3 ];
-    FILE *in = rwpipe_reader( rw );
-    int max;
-
-    if (!fgets( line, 3, in ))
-        return -1;
-
-    if ( !strncmp( line, "P6", 2 ) )
-    {
-        *width = rwpipe_read_number( rw );
-        *height = rwpipe_read_number( rw );
-        max = rwpipe_read_number( rw );
-        return max != 255 || *width <= 0 || *height <= 0;
-    }
-    return 1;
-}
-
-/** Close the pipe and process.
-*/
-
-static void rwpipe_close( rwpipe *this )
-{
-    if ( this != NULL )
-    {
-        fclose( this->reader );
-        fclose( this->writer );
-        waitpid( this->pid, NULL, 0 );
-        av_free( this );
-    }
-}
-
-/** Context info for this vhook - stores the pipe and image buffers.
-*/
-
-typedef struct
-{
-    rwpipe *rw;
-    int size1;
-    char *buf1;
-    int size2;
-    char *buf2;
-
-    // This vhook first converts frame to RGB ...
-    struct SwsContext *toRGB_convert_ctx;
-    // ... then processes it via a PPM command pipe ...
-    // ... and finally converts back frame from RGB to initial format
-    struct SwsContext *fromRGB_convert_ctx;
-}
-ContextInfo;
-
-/** Initialise the context info for this vhook.
-*/
-
-int Configure(void **ctxp, int argc, char *argv[])
-{
-    if ( argc > 1 )
-    {
-        *ctxp = av_mallocz(sizeof(ContextInfo));
-        if ( *ctxp != NULL && argc > 1 )
-        {
-            ContextInfo *info = (ContextInfo *)*ctxp;
-            info->rw = rwpipe_open( argc - 1, &argv[ 1 ] );
-            return 0;
-        }
-    }
-    return 1;
-}
-
-/** Process a frame.
-*/
-
-void Process(void *ctx, AVPicture *picture, enum PixelFormat pix_fmt, int width, int height, int64_t pts)
-{
-    int err = 0;
-    ContextInfo *ci = (ContextInfo *) ctx;
-    AVPicture picture1;
-    AVPicture picture2;
-    AVPicture *pict = picture;
-    int out_width;
-    int out_height;
-    int i;
-    uint8_t *ptr = NULL;
-    FILE *in = rwpipe_reader( ci->rw );
-    FILE *out = rwpipe_writer( ci->rw );
-
-    /* Check that we have a pipe to talk to. */
-    if ( in == NULL || out == NULL )
-        err = 1;
-
-    /* Convert to RGB24 if necessary */
-    if ( !err && pix_fmt != PIX_FMT_RGB24 )
-    {
-        int size = avpicture_get_size(PIX_FMT_RGB24, width, height);
-
-        if ( size != ci->size1 )
-        {
-            av_free( ci->buf1 );
-            ci->buf1 = av_malloc(size);
-            ci->size1 = size;
-            err = ci->buf1 == NULL;
-        }
-
-        if ( !err )
-        {
-            avpicture_fill(&picture1, ci->buf1, PIX_FMT_RGB24, width, height);
-
-            // if we already got a SWS context, let's realloc if is not re-useable
-            ci->toRGB_convert_ctx = sws_getCachedContext(ci->toRGB_convert_ctx,
-                                        width, height, pix_fmt,
-                                        width, height, PIX_FMT_RGB24,
-                                        sws_flags, NULL, NULL, NULL);
-            if (ci->toRGB_convert_ctx == NULL) {
-                av_log(NULL, AV_LOG_ERROR,
-                       "Cannot initialize the toRGB conversion context\n");
-                return;
-            }
-
-// img_convert parameters are          2 first destination, then 4 source
-// sws_scale   parameters are context, 4 first source,      then 2 destination
-            sws_scale(ci->toRGB_convert_ctx,
-                     picture->data, picture->linesize, 0, height,
-                     picture1.data, picture1.linesize);
-
-            pict = &picture1;
-        }
-    }
-
-    /* Write out the PPM */
-    if ( !err )
-    {
-        ptr = pict->data[ 0 ];
-        fprintf( out, "P6\n%d %d\n255\n", width, height );
-        for ( i = 0; !err && i < height; i ++ )
-        {
-            err = !fwrite( ptr, width * 3, 1, out );
-            ptr += pict->linesize[ 0 ];
-        }
-        if ( !err )
-            err = fflush( out );
-    }
-
-    /* Read the PPM returned. */
-    if ( !err && !rwpipe_read_ppm_header( ci->rw, &out_width, &out_height ) )
-    {
-        int size = avpicture_get_size(PIX_FMT_RGB24, out_width, out_height);
-
-        if ( size != ci->size2 )
-        {
-            av_free( ci->buf2 );
-            ci->buf2 = av_malloc(size);
-            ci->size2 = size;
-            err = ci->buf2 == NULL;
-        }
-
-        if ( !err )
-        {
-            avpicture_fill(&picture2, ci->buf2, PIX_FMT_RGB24, out_width, out_height);
-            ptr = picture2.data[ 0 ];
-            for ( i = 0; !err && i < out_height; i ++ )
-            {
-                err = !fread( ptr, out_width * 3, 1, in );
-                ptr += picture2.linesize[ 0 ];
-            }
-        }
-    }
-
-    /* Convert the returned PPM back to the input format */
-    if ( !err )
-    {
-        /* The out_width/out_height returned from the PPM
-         * filter won't necessarily be the same as width and height
-         * but it will be scaled anyway to width/height.
-         */
-        av_log(NULL, AV_LOG_DEBUG,
-                  "PPM vhook: Input dimensions: %d x %d Output dimensions: %d x %d\n",
-                  width, height, out_width, out_height);
-        ci->fromRGB_convert_ctx = sws_getCachedContext(ci->fromRGB_convert_ctx,
-                                        out_width, out_height, PIX_FMT_RGB24,
-                                        width,     height,     pix_fmt,
-                                        sws_flags, NULL, NULL, NULL);
-        if (ci->fromRGB_convert_ctx == NULL) {
-            av_log(NULL, AV_LOG_ERROR,
-                   "Cannot initialize the fromRGB conversion context\n");
-            return;
-        }
-
-// img_convert parameters are          2 first destination, then 4 source
-// sws_scale   parameters are context, 4 first source,      then 2 destination
-        sws_scale(ci->fromRGB_convert_ctx,
-                 picture2.data, picture2.linesize, 0, out_height,
-                 picture->data, picture->linesize);
-    }
-}
-
-/** Clean up the effect.
-*/
-
-void Release(void *ctx)
-{
-    ContextInfo *ci;
-    ci = (ContextInfo *) ctx;
-
-    if (ctx)
-    {
-        rwpipe_close( ci->rw );
-        av_free( ci->buf1 );
-        av_free( ci->buf2 );
-        sws_freeContext(ci->toRGB_convert_ctx);
-        sws_freeContext(ci->fromRGB_convert_ctx);
-        av_free(ctx);
-    }
-}
-