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[34.83.118.50]) by smtp.gmail.com with ESMTPSA id x9-20020aa793a9000000b0050dc7628191sm5377509pff.107.2022.05.28.07.52.18 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sat, 28 May 2022 07:52:19 -0700 (PDT) From: softworkz X-Google-Original-From: softworkz Message-Id: In-Reply-To: References: Date: Sat, 28 May 2022 14:52:18 +0000 Fcc: Sent MIME-Version: 1.0 To: ffmpeg-devel@ffmpeg.org Subject: [FFmpeg-devel] [PATCH v3] avcodec/dvdsubdec, dvbsubdec: remove bitmap dumping in DEBUG builds X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: softworkz , Hendrik Leppkes , Marton Balint Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: From: softworkz It's been a regular annoyance and often undesired. There will be a subtitle filter which allows to dump individual subtitle bitmaps. Signed-off-by: softworkz --- avcodec/dvdsubdec,dvbsubdec: remove bitmap dumping in DEBUG builds Original Message: > It's annoying and unexpected, but still useful at times (as I've > realized just recently). > > This is a follow-up to the earlier submission here: > https://www.mail-archive.com/ffmpeg-devel@ffmpeg.org/msg128080.html > > There has been a comment from Anton, questioning whether the > dump-feature is useful. Meanwhile I came to the conclusion that it can > be useful in-fact. It just shouldn't happen automatically when DEBUG > is defined. That's what these patches do. v2: My previous submission wasn't liked that much and there seemed to be a consensus to drop this altogether. So - here's the commit for dropping it. Published-As: https://github.com/ffstaging/FFmpeg/releases/tag/pr-ffstaging-17%2Fsoftworkz%2Fsubmit_dvb_subs-v3 Fetch-It-Via: git fetch https://github.com/ffstaging/FFmpeg pr-ffstaging-17/softworkz/submit_dvb_subs-v3 Pull-Request: https://github.com/ffstaging/FFmpeg/pull/17 Range-diff vs v2: 1: 2f12ac7f1f < -: ---------- avcodec/dvdsubdec,dvbsubdec: don't dump images to disk based on DEBUG define 2: 0cd2c77f31 < -: ---------- avcodec/dvdsubdec,dvbsubdec: fix writing ppm -: ---------- > 1: e12db0e6d7 avcodec/dvdsubdec,dvbsubdec: remove bitmap dumping in DEBUG builds libavcodec/dvbsubdec.c | 169 ----------------------------------------- libavcodec/dvdsubdec.c | 48 ------------ 2 files changed, 217 deletions(-) diff --git a/libavcodec/dvbsubdec.c b/libavcodec/dvbsubdec.c index 6e510d12c7..4d4007ffd9 100644 --- a/libavcodec/dvbsubdec.c +++ b/libavcodec/dvbsubdec.c @@ -1381,172 +1381,6 @@ static int dvbsub_parse_page_segment(AVCodecContext *avctx, return 0; } - -#ifdef DEBUG -static void png_save(DVBSubContext *ctx, const char *filename, uint32_t *bitmap, int w, int h) -{ - int x, y, v; - FILE *f; - char fname[40], fname2[40]; - char command[1024]; - - snprintf(fname, sizeof(fname), "%s.ppm", filename); - - f = fopen(fname, "w"); - if (!f) { - perror(fname); - return; - } - fprintf(f, "P6\n" - "%d %d\n" - "%d\n", - w, h, 255); - for(y = 0; y < h; y++) { - for(x = 0; x < w; x++) { - v = bitmap[y * w + x]; - putc((v >> 16) & 0xff, f); - putc((v >> 8) & 0xff, f); - putc((v >> 0) & 0xff, f); - } - } - fclose(f); - - - snprintf(fname2, sizeof(fname2), "%s-a.pgm", filename); - - f = fopen(fname2, "w"); - if (!f) { - perror(fname2); - return; - } - fprintf(f, "P5\n" - "%d %d\n" - "%d\n", - w, h, 255); - for(y = 0; y < h; y++) { - for(x = 0; x < w; x++) { - v = bitmap[y * w + x]; - putc((v >> 24) & 0xff, f); - } - } - fclose(f); - - snprintf(command, sizeof(command), "pnmtopng -alpha %s %s > %s.png 2> /dev/null", fname2, fname, filename); - if (system(command) != 0) { - av_log(ctx, AV_LOG_ERROR, "Error running pnmtopng\n"); - return; - } - - snprintf(command, sizeof(command), "rm %s %s", fname, fname2); - if (system(command) != 0) { - av_log(ctx, AV_LOG_ERROR, "Error removing %s and %s\n", fname, fname2); - return; - } -} - -static int save_display_set(DVBSubContext *ctx) -{ - DVBSubRegion *region; - DVBSubRegionDisplay *display; - const DVBSubCLUT *clut; - const uint32_t *clut_table; - int x_pos, y_pos, width, height; - int x, y, y_off, x_off; - uint32_t *pbuf; - char filename[32]; - static int fileno_index = 0; - - x_pos = -1; - y_pos = -1; - width = 0; - height = 0; - - for (display = ctx->display_list; display; display = display->next) { - region = get_region(ctx, display->region_id); - - if (!region) - return -1; - - if (x_pos == -1) { - x_pos = display->x_pos; - y_pos = display->y_pos; - width = region->width; - height = region->height; - } else { - if (display->x_pos < x_pos) { - width += (x_pos - display->x_pos); - x_pos = display->x_pos; - } - - if (display->y_pos < y_pos) { - height += (y_pos - display->y_pos); - y_pos = display->y_pos; - } - - if (display->x_pos + region->width > x_pos + width) { - width = display->x_pos + region->width - x_pos; - } - - if (display->y_pos + region->height > y_pos + height) { - height = display->y_pos + region->height - y_pos; - } - } - } - - if (x_pos >= 0) { - - pbuf = av_malloc(width * height * 4); - if (!pbuf) - return -1; - - for (display = ctx->display_list; display; display = display->next) { - region = get_region(ctx, display->region_id); - - if (!region) - return -1; - - x_off = display->x_pos - x_pos; - y_off = display->y_pos - y_pos; - - clut = get_clut(ctx, region->clut); - - if (!clut) - clut = &default_clut; - - switch (region->depth) { - case 2: - clut_table = clut->clut4; - break; - case 8: - clut_table = clut->clut256; - break; - case 4: - default: - clut_table = clut->clut16; - break; - } - - for (y = 0; y < region->height; y++) { - for (x = 0; x < region->width; x++) { - pbuf[((y + y_off) * width) + x_off + x] = - clut_table[region->pbuf[y * region->width + x]]; - } - } - - } - - snprintf(filename, sizeof(filename), "dvbs.%d", fileno_index); - - png_save(ctx, filename, pbuf, width, height); - - av_freep(&pbuf); - } - - fileno_index++; - return 0; -} -#endif /* DEBUG */ - static int dvbsub_parse_display_definition_segment(AVCodecContext *avctx, const uint8_t *buf, int buf_size) @@ -1601,9 +1435,6 @@ static int dvbsub_display_end_segment(AVCodecContext *avctx, const uint8_t *buf, if (ctx->compute_edt == 0) save_subtitle_set(avctx, sub, got_output); -#ifdef DEBUG - save_display_set(ctx); -#endif return 0; } diff --git a/libavcodec/dvdsubdec.c b/libavcodec/dvdsubdec.c index b54073393e..97f366cc74 100644 --- a/libavcodec/dvdsubdec.c +++ b/libavcodec/dvdsubdec.c @@ -43,9 +43,6 @@ typedef struct DVDSubContext int buf_size; int forced_subs_only; uint8_t used_color[256]; -#ifdef DEBUG - int sub_id; -#endif } DVDSubContext; static void yuv_a_to_rgba(const uint8_t *ycbcr, const uint8_t *alpha, uint32_t *rgba, int num_values) @@ -499,38 +496,6 @@ static int find_smallest_bounding_rectangle(DVDSubContext *ctx, AVSubtitle *s) return 1; } -#ifdef DEBUG -#define ALPHA_MIX(A,BACK,FORE) (((255-(A)) * (BACK) + (A) * (FORE)) / 255) -static void ppm_save(const char *filename, uint8_t *bitmap, int w, int h, - uint32_t *rgba_palette) -{ - int x, y, alpha; - uint32_t v; - int back[3] = {0, 255, 0}; /* green background */ - FILE *f; - - f = fopen(filename, "w"); - if (!f) { - perror(filename); - return; - } - fprintf(f, "P6\n" - "%d %d\n" - "%d\n", - w, h, 255); - for(y = 0; y < h; y++) { - for(x = 0; x < w; x++) { - v = rgba_palette[bitmap[y * w + x]]; - alpha = v >> 24; - putc(ALPHA_MIX(alpha, back[0], (v >> 16) & 0xff), f); - putc(ALPHA_MIX(alpha, back[1], (v >> 8) & 0xff), f); - putc(ALPHA_MIX(alpha, back[2], (v >> 0) & 0xff), f); - } - } - fclose(f); -} -#endif - static int append_to_cached_buf(AVCodecContext *avctx, const uint8_t *buf, int buf_size) { @@ -588,19 +553,6 @@ static int dvdsub_decode(AVCodecContext *avctx, AVSubtitle *sub, if (ctx->forced_subs_only && !(sub->rects[0]->flags & AV_SUBTITLE_FLAG_FORCED)) goto no_subtitle; -#if defined(DEBUG) - { - char ppm_name[32]; - - snprintf(ppm_name, sizeof(ppm_name), "/tmp/%05d.ppm", ctx->sub_id++); - ff_dlog(NULL, "start=%d ms end =%d ms\n", - sub->start_display_time, - sub->end_display_time); - ppm_save(ppm_name, sub->rects[0]->data[0], - sub->rects[0]->w, sub->rects[0]->h, (uint32_t*) sub->rects[0]->data[1]); - } -#endif - ctx->buf_size = 0; *data_size = 1; return buf_size; base-commit: 9fba0b8a8c754a012fc74c90ffb7c26a56be8ca0 -- ffmpeg-codebot _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".