diff options
Diffstat (limited to 'avconv_filter.c')
| -rw-r--r-- | avconv_filter.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/avconv_filter.c b/avconv_filter.c index e54da56c7a..c3360f1741 100644 --- a/avconv_filter.c +++ b/avconv_filter.c @@ -29,6 +29,7 @@ #include "libavutil/avassert.h" #include "libavutil/avstring.h" #include "libavutil/channel_layout.h" +#include "libavutil/display.h" #include "libavutil/opt.h" #include "libavutil/pixdesc.h" #include "libavutil/pixfmt.h" @@ -226,6 +227,28 @@ static int insert_trim(int64_t start_time, int64_t duration, return 0; } +static int insert_filter(AVFilterContext **last_filter, int *pad_idx, + const char *filter_name, const char *args) +{ + AVFilterGraph *graph = (*last_filter)->graph; + AVFilterContext *ctx; + int ret; + + ret = avfilter_graph_create_filter(&ctx, + avfilter_get_by_name(filter_name), + filter_name, args, NULL, graph); + if (ret < 0) + return ret; + + ret = avfilter_link(*last_filter, *pad_idx, ctx, 0); + if (ret < 0) + return ret; + + *last_filter = ctx; + *pad_idx = 0; + return 0; +} + static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out) { char *pix_fmts; @@ -446,6 +469,26 @@ static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter, return ret; last_filter = ifilter->filter; + if (ist->autorotate) { + uint8_t* displaymatrix = av_stream_get_side_data(ist->st, + AV_PKT_DATA_DISPLAYMATRIX, NULL); + if (displaymatrix) { + double rot = av_display_rotation_get((int32_t*) displaymatrix); + if (rot < -135 || rot > 135) { + ret = insert_filter(&last_filter, &pad_idx, "vflip", NULL); + if (ret < 0) + return ret; + ret = insert_filter(&last_filter, &pad_idx, "hflip", NULL); + } else if (rot < -45) { + ret = insert_filter(&last_filter, &pad_idx, "transpose", "dir=clock"); + } else if (rot > 45) { + ret = insert_filter(&last_filter, &pad_idx, "transpose", "dir=cclock"); + } + if (ret < 0) + return ret; + } + } + if (ist->framerate.num) { AVFilterContext *setpts; |