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ffplay&cmdutils:Factor get_rotation() code out

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-05-03 23:49:16 +02:00
parent a6b630e9b6
commit 4351c288b9
3 changed files with 26 additions and 16 deletions
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23
cmdutils.c
View File

@ -41,6 +41,7 @@
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/bprint.h"
#include "libavutil/display.h"
#include "libavutil/mathematics.h"
#include "libavutil/imgutils.h"
#include "libavutil/parseutils.h"
@ -2229,4 +2230,26 @@ int show_sinks(void *optctx, const char *opt, const char *arg)
av_log_set_level(error_level);
return ret;
}
double get_rotation(AVStream *st)
{
AVDictionaryEntry *rotate_tag = av_dict_get(st->metadata, "rotate", NULL, 0);
uint8_t* displaymatrix = av_stream_get_side_data(st,
AV_PKT_DATA_DISPLAYMATRIX, NULL);
double theta = 0;
if (rotate_tag && *rotate_tag->value && strcmp(rotate_tag->value, "0")) {
char *tail;
theta = av_strtod(rotate_tag->value, &tail);
if (*tail)
theta = 0;
}
if (displaymatrix && !theta)
theta = av_display_rotation_get((int32_t*) displaymatrix);
theta -= 360*floor(theta/360 + 0.9/360);
return theta;
}
#endif

2
cmdutils.h
View File

@ -597,4 +597,6 @@ void *grow_array(void *array, int elem_size, int *size, int new_size);
char name[128];\
av_get_channel_layout_string(name, sizeof(name), 0, ch_layout);
double get_rotation(AVStream *st);
#endif /* CMDUTILS_H */

17
ffplay.c
View File

@ -32,7 +32,6 @@
#include "libavutil/avstring.h"
#include "libavutil/colorspace.h"
#include "libavutil/display.h"
#include "libavutil/eval.h"
#include "libavutil/mathematics.h"
#include "libavutil/pixdesc.h"
@ -2018,21 +2017,7 @@ static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const c
INSERT_FILT("crop", "floor(in_w/2)*2:floor(in_h/2)*2");
if (autorotate) {
AVDictionaryEntry *rotate_tag = av_dict_get(is->video_st->metadata, "rotate", NULL, 0);
uint8_t* displaymatrix = av_stream_get_side_data(is->video_st,
AV_PKT_DATA_DISPLAYMATRIX, NULL);
double theta = 0;
if (rotate_tag && *rotate_tag->value && strcmp(rotate_tag->value, "0")) {
char *tail;
theta = av_strtod(rotate_tag->value, &tail);
if (*tail)
theta = 0;
}
if (displaymatrix && !theta)
theta = av_display_rotation_get((int32_t*) displaymatrix);
theta -= 360*floor(theta/360 + 0.9/360);
double theta = get_rotation(is->video_st);
if (fabs(theta - 90) < 1.0) {
INSERT_FILT("transpose", "clock");