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Code Issues Releases Wiki Activity

video: add --video-rotate option for controlling auto-rotation

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This commit is contained in:
wm4 2014-05-24 14:08:39 +02:00
parent 8665f78018
commit 6125ba613f
4 changed files with 18 additions and 0 deletions
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7
DOCS/man/en/options.rst
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@ -2698,6 +2698,13 @@ OPTIONS
This option is disabled if the ``--no-keepaspect`` option is used.
``--video-rotate=<0-359|no>``
Rotate the video clockwise, in degrees. Currently supports 90° steps only.
If ``no`` is given, the video is never rotated, even if the file has
rotation metadata. (The rotation value is added to the rotation metadata,
which means the value ``0`` would rotate the video according to the
rotation metadata.)
``--video-unscaled``
Disable scaling of the video. If the window is larger than the video,
black bars are added. Otherwise, the video is cropped. The video still

2
options/options.c
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@ -498,6 +498,8 @@ const m_option_t mp_opts[] = {
({"auto", MP_CSP_LEVELS_AUTO},
{"limited", MP_CSP_LEVELS_TV},
{"full", MP_CSP_LEVELS_PC})),
OPT_CHOICE_OR_INT("video-rotate", video_rotate, 0, 0, 359,
({"no", -1})),
OPT_CHOICE_OR_INT("cursor-autohide", cursor_autohide_delay, 0,
0, 30000, ({"no", -1}, {"always", -2})),

2
options/options.h
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@ -94,6 +94,8 @@ typedef struct MPOpts {
int requested_input_range;
int requested_output_range;
int video_rotate;
char *audio_decoders;
char *video_decoders;

7
video/decode/vd_lavc.c
View File

@ -420,6 +420,7 @@ static void update_image_params(struct dec_video *vd, AVFrame *frame,
struct mp_image_params *out_params)
{
vd_ffmpeg_ctx *ctx = vd->priv;
struct MPOpts *opts = ctx->opts;
int width = frame->width;
int height = frame->height;
float aspect = av_q2d(frame->sample_aspect_ratio) * width / height;
@ -448,6 +449,12 @@ static void update_image_params(struct dec_video *vd, AVFrame *frame,
avchroma_location_to_mp(ctx->avctx->chroma_sample_location),
.rotate = vd->header->video->rotate,
};
if (opts->video_rotate < 0) {
out_params->rotate = 0;
} else {
out_params->rotate = (out_params->rotate + opts->video_rotate) % 360;
}
}
static enum AVPixelFormat get_format_hwdec(struct AVCodecContext *avctx,