diff options
author | Diego Biurrun <diego@biurrun.de> | 2005-12-17 18:14:38 +0000 |
---|---|---|
committer | Diego Biurrun <diego@biurrun.de> | 2005-12-17 18:14:38 +0000 |
commit | 115329f16062074e11ccf3b89ead6176606c9696 (patch) | |
tree | e98aa993905a702688bf821737ab9a443969fc28 /vhook/watermark.c | |
parent | d76319b1ab716320f6e6a4d690b85fe4504ebd5b (diff) | |
download | ffmpeg-115329f16062074e11ccf3b89ead6176606c9696.tar.gz |
COSMETICS: Remove all trailing whitespace.
Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'vhook/watermark.c')
-rw-r--r-- | vhook/watermark.c | 156 |
1 files changed, 78 insertions, 78 deletions
diff --git a/vhook/watermark.c b/vhook/watermark.c index 99f7407899..66a601312f 100644 --- a/vhook/watermark.c +++ b/vhook/watermark.c @@ -1,5 +1,5 @@ /* - * Watermark Hook + * Watermark Hook * Copyright (c) 2005 Marcus Engene myfirstname(at)mylastname.se * * The watermarkpicture works like this. (Assuming colorintencities 0..0xff) @@ -11,7 +11,7 @@ * > 0xff, result = 0xff * * This way a mask that is visible both in light pictures and in dark can be - * made (fex by using a picture generated by gimp and the bump map tool). + * made (fex by using a picture generated by gimp and the bump map tool). * * An example watermark file is at * http://engene.se/ffmpeg_watermark.gif @@ -41,7 +41,7 @@ //#include <fcntl.h> #include <unistd.h> #include <stdarg.h> - + #include "common.h" #include "avformat.h" @@ -57,8 +57,8 @@ typedef struct { const char *p_ext; int videoStream; int frameFinished; - AVCodecContext *pCodecCtx; - AVCodec *pCodec; + AVCodecContext *pCodecCtx; + AVCodec *pCodec; AVFrame *pFrame; AVPacket packet; int numBytes; @@ -66,7 +66,7 @@ typedef struct { int i; AVInputFormat *file_iformat; AVStream *st; - int is_done; + int is_done; AVFrame *pFrameRGB; } ContextInfo; @@ -74,7 +74,7 @@ int get_watermark_picture(ContextInfo *ci, int cleanup); /**************************************************************************** - * + * ****************************************************************************/ void Release(void *ctx) { @@ -82,14 +82,14 @@ void Release(void *ctx) ci = (ContextInfo *) ctx; if (ci) get_watermark_picture(ci, 1); - + if (ctx) av_free(ctx); } /**************************************************************************** - * + * ****************************************************************************/ int Configure(void **ctxp, int argc, char *argv[]) { @@ -100,9 +100,9 @@ int Configure(void **ctxp, int argc, char *argv[]) ci = (ContextInfo *) *ctxp; optind = 1; - + // Struct is mallocz:ed so no need to reset. - + while ((c = getopt(argc, argv, "f:")) > 0) { switch (c) { case 'f': @@ -114,13 +114,13 @@ int Configure(void **ctxp, int argc, char *argv[]) return -1; } } - + // if (0 == ci->filename[0]) { av_log(NULL, AV_LOG_ERROR, "Watermark: There is no filename specified.\n"); return -1; } - + av_register_all(); return get_watermark_picture(ci, 0); } @@ -129,18 +129,18 @@ int Configure(void **ctxp, int argc, char *argv[]) /**************************************************************************** * Why is this a void returning functions? I want to be able to go wrong! ****************************************************************************/ -void Process(void *ctx, - AVPicture *picture, - enum PixelFormat pix_fmt, - int src_width, - int src_height, +void Process(void *ctx, + AVPicture *picture, + enum PixelFormat pix_fmt, + int src_width, + int src_height, int64_t pts) { ContextInfo *ci = (ContextInfo *) ctx; char *buf = 0; AVPicture picture1; AVPicture *pict = picture; - + AVFrame *pFrameRGB; int xm_size; int ym_size; @@ -154,9 +154,9 @@ void Process(void *ctx, uint32_t pixel_meck; uint32_t pixel; uint32_t pixelm; - int tmp; - - + int tmp; + + //?? (void) ci; if (pix_fmt != PIX_FMT_RGBA32) { @@ -166,7 +166,7 @@ void Process(void *ctx, buf = av_malloc(size); avpicture_fill(&picture1, buf, PIX_FMT_RGBA32, src_width, src_height); - if (img_convert(&picture1, PIX_FMT_RGBA32, + if (img_convert(&picture1, PIX_FMT_RGBA32, picture, pix_fmt, src_width, src_height) < 0) { av_free(buf); return; @@ -176,15 +176,15 @@ void Process(void *ctx, /* Insert filter code here */ /* ok */ - // Get me next frame + // Get me next frame if (0 > get_watermark_picture(ci, 0)) { return; - } + } // These are the three original static variables in the ffmpeg hack. pFrameRGB = ci->pFrameRGB; xm_size = ci->x_size; ym_size = ci->y_size; - + // I'll do the *4 => <<2 crap later. Most compilers understand that anyway. // According to avcodec.h PIX_FMT_RGBA32 is handled in endian specific manner. for (y=0; y<src_height; y++) { @@ -214,23 +214,23 @@ void Process(void *ctx, if (tmp > 255) tmp = 255; if (tmp < 0) tmp = 0; pixel_meck |= (tmp << 0) & 0xff; - - + + // test: //pixel_meck = pixel & 0xff000000; //pixel_meck |= (pixelm & 0x00ffffff); *p_pixel = pixel_meck; - offs += 4; + offs += 4; } // foreach X - } // foreach Y - - - + } // foreach Y + + + if (pix_fmt != PIX_FMT_RGBA32) { - if (img_convert(picture, pix_fmt, + if (img_convert(picture, pix_fmt, &picture1, PIX_FMT_RGBA32, src_width, src_height) < 0) { } } @@ -243,7 +243,7 @@ void Process(void *ctx, * When cleanup == 0, we try to get the next frame. If no next frame, nothing * is done. * - * This code follows the example on + * This code follows the example on * http://www.inb.uni-luebeck.de/~boehme/using_libavcodec.html * * 0 = ok, -1 = error @@ -254,11 +254,11 @@ int get_watermark_picture(ContextInfo *ci, int cleanup) // Yes, *pFrameRGB arguments must be null the first time otherwise it's not good.. // This block is only executed the first time we enter this function. - if (0 == ci->pFrameRGB && - 0 == cleanup) + if (0 == ci->pFrameRGB && + 0 == cleanup) { - - /* + + /* * The last three parameters specify the file format, buffer size and format * parameters; by simply specifying NULL or 0 we ask libavformat to auto-detect * the format and use a default buffer size. (Didn't work!) @@ -285,24 +285,24 @@ int get_watermark_picture(ContextInfo *ci, int cleanup) av_log(NULL, AV_LOG_ERROR, "get_watermark_picture() Really failed to find iformat [%s]\n", ci->p_ext); return -1; } - // now continues the Martin template. - + // now continues the Martin template. + if (av_open_input_file(&ci->pFormatCtx, ci->filename, ci->file_iformat, 0, NULL)!=0) { av_log(NULL, AV_LOG_ERROR, "get_watermark_picture() Failed to open input file [%s]\n", ci->filename); return -1; - } + } } - - /* + + /* * This fills the streams field of the AVFormatContext with valid information. */ if(av_find_stream_info(ci->pFormatCtx)<0) { av_log(NULL, AV_LOG_ERROR, "get_watermark_picture() Failed to find stream info\n"); return -1; } - + /* - * As mentioned in the introduction, we'll handle only video streams, not audio + * As mentioned in the introduction, we'll handle only video streams, not audio * streams. To make things nice and easy, we simply use the first video stream we * find. */ @@ -317,48 +317,48 @@ int get_watermark_picture(ContextInfo *ci, int cleanup) av_log(NULL, AV_LOG_ERROR, "get_watermark_picture() Failed to find any video stream\n"); return -1; } - + ci->st = ci->pFormatCtx->streams[ci->videoStream]; ci->x_size = ci->st->codec->width; ci->y_size = ci->st->codec->height; - + // Get a pointer to the codec context for the video stream ci->pCodecCtx = ci->pFormatCtx->streams[ci->videoStream]->codec; - - + + /* * OK, so now we've got a pointer to the so-called codec context for our video * stream, but we still have to find the actual codec and open it. - */ + */ // Find the decoder for the video stream ci->pCodec = avcodec_find_decoder(ci->pCodecCtx->codec_id); if(ci->pCodec == NULL) { av_log(NULL, AV_LOG_ERROR, "get_watermark_picture() Failed to find any codec\n"); return -1; } - + // Inform the codec that we can handle truncated bitstreams -- i.e., // bitstreams where frame boundaries can fall in the middle of packets if (ci->pCodec->capabilities & CODEC_CAP_TRUNCATED) ci->pCodecCtx->flags|=CODEC_FLAG_TRUNCATED; - + // Open codec if(avcodec_open(ci->pCodecCtx, ci->pCodec)<0) { av_log(NULL, AV_LOG_ERROR, "get_watermark_picture() Failed to open codec\n"); return -1; } - - // Hack to correct wrong frame rates that seem to be generated by some + + // Hack to correct wrong frame rates that seem to be generated by some // codecs if (ci->pCodecCtx->time_base.den>1000 && ci->pCodecCtx->time_base.num==1) - ci->pCodecCtx->time_base.num=1000; - + ci->pCodecCtx->time_base.num=1000; + /* * Allocate a video frame to store the decoded images in. */ ci->pFrame = avcodec_alloc_frame(); - - + + /* * The RGB image pFrameRGB (of type AVFrame *) is allocated like this: */ @@ -368,19 +368,19 @@ int get_watermark_picture(ContextInfo *ci, int cleanup) av_log(NULL, AV_LOG_ERROR, "get_watermark_picture() Failed to alloc pFrameRGB\n"); return -1; } - + // Determine required buffer size and allocate buffer ci->numBytes = avpicture_get_size(PIX_FMT_RGBA32, ci->pCodecCtx->width, ci->pCodecCtx->height); ci->buffer = av_malloc(ci->numBytes); - + // Assign appropriate parts of buffer to image planes in pFrameRGB avpicture_fill((AVPicture *)ci->pFrameRGB, ci->buffer, PIX_FMT_RGBA32, - ci->pCodecCtx->width, ci->pCodecCtx->height); + ci->pCodecCtx->width, ci->pCodecCtx->height); } // TODO loop, pingpong etc? - if (0 == cleanup) - { + if (0 == cleanup) + { // av_log(NULL, AV_LOG_DEBUG, "get_watermark_picture() Get a frame\n"); while(av_read_frame(ci->pFormatCtx, &ci->packet)>=0) { @@ -388,32 +388,32 @@ int get_watermark_picture(ContextInfo *ci, int cleanup) if(ci->packet.stream_index == ci->videoStream) { // Decode video frame - avcodec_decode_video(ci->pCodecCtx, ci->pFrame, &ci->frameFinished, + avcodec_decode_video(ci->pCodecCtx, ci->pFrame, &ci->frameFinished, ci->packet.data, ci->packet.size); - + // Did we get a video frame? if(ci->frameFinished) { // Convert the image from its native format to RGBA32 - img_convert((AVPicture *)ci->pFrameRGB, PIX_FMT_RGBA32, - (AVPicture*)(ci->pFrame), ci->pCodecCtx->pix_fmt, ci->pCodecCtx->width, + img_convert((AVPicture *)ci->pFrameRGB, PIX_FMT_RGBA32, + (AVPicture*)(ci->pFrame), ci->pCodecCtx->pix_fmt, ci->pCodecCtx->width, ci->pCodecCtx->height); - + // Process the video frame (save to disk etc.) //fprintf(stderr,"banan() New frame!\n"); //DoSomethingWithTheImage(ci->pFrameRGB); return 0; } } - + // Free the packet that was allocated by av_read_frame av_free_packet(&ci->packet); } - ci->is_done = 1; + ci->is_done = 1; return 0; } // if 0 != cleanup - - if (0 != cleanup) + + if (0 != cleanup) { // Free the RGB image if (0 != ci->buffer) { @@ -423,20 +423,20 @@ int get_watermark_picture(ContextInfo *ci, int cleanup) if (0 != ci->pFrameRGB) { av_free(ci->pFrameRGB); ci->pFrameRGB = 0; - } - + } + // Close the codec if (0 != ci->pCodecCtx) { avcodec_close(ci->pCodecCtx); ci->pCodecCtx = 0; } - + // Close the video file if (0 != ci->pFormatCtx) { - av_close_input_file(ci->pFormatCtx); + av_close_input_file(ci->pFormatCtx); ci->pFormatCtx = 0; } - + ci->is_done = 0; } return 0; |