[FFmpeg-devel] [PATCH 2/4] avcodec/dvdsubdec: extract every subtitle in a different file (debug).
Clément Bœsch
u at pkh.me
Sun Sep 29 23:28:30 CEST 2013
Even thought a generic solution would be more relevant, this is
currently helpful while debugging.
---
libavcodec/dvdsubdec.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/libavcodec/dvdsubdec.c b/libavcodec/dvdsubdec.c
index 83ed27e..5951892 100644
--- a/libavcodec/dvdsubdec.c
+++ b/libavcodec/dvdsubdec.c
@@ -35,6 +35,9 @@ typedef struct DVDSubContext
int has_palette;
uint8_t colormap[4];
uint8_t alpha[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)
@@ -504,11 +507,16 @@ static int dvdsub_decode(AVCodecContext *avctx,
goto no_subtitle;
#if defined(DEBUG)
+ {
+ char ppm_name[32];
+
+ snprintf(ppm_name, sizeof ppm_name, "/tmp/%05d.ppm", ctx->sub_id++);
av_dlog(NULL, "start=%d ms end =%d ms\n",
sub->start_display_time,
sub->end_display_time);
- ppm_save("/tmp/a.ppm", sub->rects[0]->pict.data[0],
+ ppm_save(ppm_name, sub->rects[0]->pict.data[0],
sub->rects[0]->w, sub->rects[0]->h, sub->rects[0]->pict.data[1]);
+ }
#endif
*data_size = 1;
--
1.8.4
More information about the ffmpeg-devel
mailing list