diff options
Diffstat (limited to 'fftools/ffmpeg_opt.c')
| -rw-r--r-- | fftools/ffmpeg_opt.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c index 7fdbf08a18..ead4ee1b38 100644 --- a/fftools/ffmpeg_opt.c +++ b/fftools/ffmpeg_opt.c @@ -20,6 +20,7 @@ #include "config.h" +#include <float.h> #include <stdint.h> #if HAVE_SYS_RESOURCE_H @@ -44,6 +45,7 @@ #include "libavutil/avutil.h" #include "libavutil/bprint.h" #include "libavutil/channel_layout.h" +#include "libavutil/display.h" #include "libavutil/intreadwrite.h" #include "libavutil/fifo.h" #include "libavutil/mathematics.h" @@ -66,6 +68,9 @@ static const char *const opt_name_fix_sub_duration[] = {"fix_sub_durati static const char *const opt_name_canvas_sizes[] = {"canvas_size", NULL}; static const char *const opt_name_guess_layout_max[] = {"guess_layout_max", NULL}; static const char *const opt_name_discard[] = {"discard", NULL}; +static const char *const opt_name_display_rotations[] = {"display_rotation", NULL}; +static const char *const opt_name_display_hflips[] = {"display_hflip", NULL}; +static const char *const opt_name_display_vflips[] = {"display_vflip", NULL}; HWDevice *filter_hw_device; @@ -595,6 +600,39 @@ static int opt_recording_timestamp(void *optctx, const char *opt, const char *ar return 0; } +static void add_display_matrix_to_stream(OptionsContext *o, + AVFormatContext *ctx, AVStream *st) +{ + double rotation = DBL_MAX; + int hflip = -1, vflip = -1; + int hflip_set = 0, vflip_set = 0, rotation_set = 0; + int32_t *buf; + + MATCH_PER_STREAM_OPT(display_rotations, dbl, rotation, ctx, st); + MATCH_PER_STREAM_OPT(display_hflips, i, hflip, ctx, st); + MATCH_PER_STREAM_OPT(display_vflips, i, vflip, ctx, st); + + rotation_set = rotation != DBL_MAX; + hflip_set = hflip != -1; + vflip_set = vflip != -1; + + if (!rotation_set && !hflip_set && !vflip_set) + return; + + buf = (int32_t *)av_stream_new_side_data(st, AV_PKT_DATA_DISPLAYMATRIX, sizeof(int32_t) * 9); + if (!buf) { + av_log(NULL, AV_LOG_FATAL, "Failed to generate a display matrix!\n"); + exit_program(1); + } + + av_display_rotation_set(buf, + rotation_set ? -(rotation) : -0.0f); + + av_display_matrix_flip(buf, + hflip_set ? hflip : 0, + vflip_set ? vflip : 0); +} + const AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder) { const AVCodecDescriptor *desc; @@ -729,6 +767,8 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic) } if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) { + add_display_matrix_to_stream(o, ic, st); + MATCH_PER_STREAM_OPT(hwaccels, str, hwaccel, ic, st); MATCH_PER_STREAM_OPT(hwaccel_output_formats, str, hwaccel_output_format, ic, st); @@ -2127,6 +2167,16 @@ const OptionDef options[] = { { "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_pix_fmts) }, "set pixel format", "format" }, + { "display_rotation", OPT_VIDEO | HAS_ARG | OPT_DOUBLE | OPT_SPEC | + OPT_INPUT, { .off = OFFSET(display_rotations) }, + "set pure counter-clockwise rotation in degrees for stream(s)", + "angle" }, + { "display_hflip", OPT_VIDEO | OPT_BOOL | OPT_SPEC | OPT_INPUT, { .off = OFFSET(display_hflips) }, + "set display horizontal flip for stream(s) " + "(overrides any display rotation if it is not set)"}, + { "display_vflip", OPT_VIDEO | OPT_BOOL | OPT_SPEC | OPT_INPUT, { .off = OFFSET(display_vflips) }, + "set display vertical flip for stream(s) " + "(overrides any display rotation if it is not set)"}, { "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(video_disable) }, "disable video" }, { "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC | |