Credit Andrew - add sample aspect ratio for ffmpeg stream except in some cases; add...
authorGood Guy <[email protected]>
Mon, 15 Jan 2024 00:55:59 +0000 (17:55 -0700)
committerGood Guy <[email protected]>
Mon, 15 Jan 2024 00:55:59 +0000 (17:55 -0700)
cinelerra-5.1/cinelerra/ffmpeg.C

index e95cc87e6da6f8c835a199db8ea445d9696a8190..8c753a354ee0d99c8faf3e5a1d9af63a9aaab32f 100644 (file)
@@ -2544,6 +2544,34 @@ int FFMPEG::info(char *text, int len)
                enum AVColorRange range = st->codecpar->color_range;
                const char *rg = av_color_range_name(range);
                report("/ range:%s\n", rg ? rg : unkn);
+
+               AVRational sar = av_guess_sample_aspect_ratio(fmt_ctx, st, NULL);
+               AVRational display_aspect_ratio;
+               if(sar.num) {
+               
+               av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
+                  st->codecpar->width  * (int64_t)sar.num,
+                  st->codecpar->height * (int64_t)sar.den,
+                  1024 * 1024);
+/*             report("  Guessed SAR: %d:%d, ", sar.num, sar.den );
+               report("DAR: %d:%d \n", display_aspect_ratio.num, display_aspect_ratio.den); */
+               }
+               if (st->sample_aspect_ratio.num)
+               {
+               av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
+                  st->codecpar->width  * (int64_t)st->sample_aspect_ratio.num,
+                  st->codecpar->height * (int64_t)st->sample_aspect_ratio.den,
+                  1024 * 1024);
+               report("  container Detected SAR: %d:%d , DAR %d:%d \n", st->sample_aspect_ratio.num, st->sample_aspect_ratio.den, display_aspect_ratio.num, display_aspect_ratio.den);
+               }
+               if (st->codecpar->sample_aspect_ratio.num)
+               {
+               av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
+                  st->codecpar->width  * (int64_t)st->codecpar->sample_aspect_ratio.num,
+                  st->codecpar->height * (int64_t)st->codecpar->sample_aspect_ratio.den,
+                  1024 * 1024);
+               report("  codec Detected SAR: %d:%d , DAR %d:%d \n", st->codecpar->sample_aspect_ratio.num, st->codecpar->sample_aspect_ratio.den, display_aspect_ratio.num, display_aspect_ratio.den);
+               }
                double secs = to_secs(st->duration, st->time_base);
                int64_t length = secs * vid->frame_rate + 0.5;
                double ofs = to_secs((vid->nudge - st->start_time), st->time_base);
@@ -3037,6 +3065,13 @@ int FFMPEG::open_encoder(const char *type, const char *spec)
                                frame_rate.num, frame_rate.den, INT_MAX);
                        ctx->framerate = (AVRational) { frame_rate.num, frame_rate.den };
                        ctx->time_base = (AVRational) { frame_rate.den, frame_rate.num };
+                       if(!strcmp(format_name, "webm") || !strcmp(format_name, "matroska") || !strcmp(format_name, "mov") ||
+                       !strcmp(format_name, "qt") || !strcmp(format_name, "mp4") || !strcmp(format_name, "avi") ||
+                       !strcmp(format_name, "dv") || !strcmp(format_name, "yuv4mpegpipe"))
+                       {
+                       if (to_sample_aspect_ratio(asset).den > 0)
+                       st->sample_aspect_ratio = to_sample_aspect_ratio(asset);
+                       }
                        st->avg_frame_rate = frame_rate;
                        st->time_base = ctx->time_base;
                        vid->writing = -1;