[FFmpeg-devel] [PATCH v10 1/2] lavf/vf_transpose: add exif orientation support
Steven Liu
lingjiujianke at gmail.com
Wed Jun 26 14:32:40 EEST 2019
Jun Li <junli1026 at gmail.com> 于2019年6月25日周二 上午9:26写道：
>
> On Mon, Jun 17, 2019 at 5:31 PM Jun Li <junli1026 at gmail.com> wrote:
>
> >
> >
> > On Sat, Jun 15, 2019 at 7:09 PM Jun Li <junli1026 at gmail.com> wrote:
> >
> >>
> >>
> >> On Tue, Jun 11, 2019 at 7:05 PM Jun Li <junli1026 at gmail.com> wrote:
> >>
> >>>
> >>> On Sun, Jun 9, 2019 at 2:28 PM Jun Li <junli1026 at gmail.com> wrote:
> >>>
> >>>> Add exif orientation support and expose an option.
> >>>> ---
> >>>> libavfilter/hflip.h | 2 +
> >>>> libavfilter/transpose.h | 14 ++++
> >>>> libavfilter/vf_hflip.c | 40 ++++++---
> >>>> libavfilter/vf_transpose.c | 168 ++++++++++++++++++++++++++++++++-----
> >>>> 4 files changed, 192 insertions(+), 32 deletions(-)
> >>>>
> >>>> diff --git a/libavfilter/hflip.h b/libavfilter/hflip.h
> >>>> index 204090dbb4..4e89bae3fc 100644
> >>>> --- a/libavfilter/hflip.h
> >>>> +++ b/libavfilter/hflip.h
> >>>> @@ -35,5 +35,7 @@ typedef struct FlipContext {
> >>>>
> >>>> int ff_hflip_init(FlipContext *s, int step[4], int nb_planes);
> >>>> void ff_hflip_init_x86(FlipContext *s, int step[4], int nb_planes);
> >>>> +int ff_hflip_config_props(FlipContext* s, AVFilterLink *inlink);
> >>>> +int ff_hflip_filter_slice(FlipContext *s, AVFrame *in, AVFrame *out,
> >>>> int job, int nb_jobs, int vlifp);
> >>>>
> >>>> #endif /* AVFILTER_HFLIP_H */
> >>>> diff --git a/libavfilter/transpose.h b/libavfilter/transpose.h
> >>>> index aa262b9487..5da08bddc0 100644
> >>>> --- a/libavfilter/transpose.h
> >>>> +++ b/libavfilter/transpose.h
> >>>> @@ -34,4 +34,18 @@ enum TransposeDir {
> >>>> TRANSPOSE_VFLIP,
> >>>> };
> >>>>
> >>>> +enum OrientationType {
> >>>> + ORIENTATION_AUTO_TRANSPOSE = -2,
> >>>> + ORIENTATION_AUTO_FLIP = -1,
> >>>> + ORIENTATION_NONE = 0,
> >>>> + ORIENTATION_NORMAL,
> >>>> + ORIENTATION_HFLIP,
> >>>> + ORIENTATION_ROTATE180,
> >>>> + ORIENTATION_VFLIP,
> >>>> + ORIENTATION_HFLIP_ROTATE270CW,
> >>>> + ORIENTATION_ROTATE90CW,
> >>>> + ORIENTATION_HFLIP_ROTATE90CW,
> >>>> + ORIENTATION_ROTATE270CW
> >>>> +};
> >>>> +
> >>>> #endif
> >>>> diff --git a/libavfilter/vf_hflip.c b/libavfilter/vf_hflip.c
> >>>> index b77afc77fc..d24ca5c2e7 100644
> >>>> --- a/libavfilter/vf_hflip.c
> >>>> +++ b/libavfilter/vf_hflip.c
> >>>> @@ -125,9 +125,8 @@ static void hflip_qword_c(const uint8_t *ssrc,
> >>>> uint8_t *ddst, int w)
> >>>> dst[j] = src[-j];
> >>>> }
> >>>>
> >>>> -static int config_props(AVFilterLink *inlink)
> >>>> +int ff_hflip_config_props(FlipContext* s, AVFilterLink *inlink)
> >>>> {
> >>>> - FlipContext *s = inlink->dst->priv;
> >>>> const AVPixFmtDescriptor *pix_desc =
> >>>> av_pix_fmt_desc_get(inlink->format);
> >>>> const int hsub = pix_desc->log2_chroma_w;
> >>>> const int vsub = pix_desc->log2_chroma_h;
> >>>> @@ -144,6 +143,12 @@ static int config_props(AVFilterLink *inlink)
> >>>> return ff_hflip_init(s, s->max_step, nb_planes);
> >>>> }
> >>>>
> >>>> +static int config_props(AVFilterLink *inlink)
> >>>> +{
> >>>> + FlipContext *s = inlink->dst->priv;
> >>>> + return ff_hflip_config_props(s, inlink);
> >>>> +}
> >>>> +
> >>>> int ff_hflip_init(FlipContext *s, int step[4], int nb_planes)
> >>>> {
> >>>> int i;
> >>>> @@ -170,14 +175,10 @@ typedef struct ThreadData {
> >>>> AVFrame *in, *out;
> >>>> } ThreadData;
> >>>>
> >>>> -static int filter_slice(AVFilterContext *ctx, void *arg, int job, int
> >>>> nb_jobs)
> >>>> +int ff_hflip_filter_slice(FlipContext *s, AVFrame *in, AVFrame *out,
> >>>> int job, int nb_jobs, int vflip)
> >>>> {
> >>>> - FlipContext *s = ctx->priv;
> >>>> - ThreadData *td = arg;
> >>>> - AVFrame *in = td->in;
> >>>> - AVFrame *out = td->out;
> >>>> uint8_t *inrow, *outrow;
> >>>> - int i, plane, step;
> >>>> + int i, plane, step, outlinesize;
> >>>>
> >>>> for (plane = 0; plane < 4 && in->data[plane] &&
> >>>> in->linesize[plane]; plane++) {
> >>>> const int width = s->planewidth[plane];
> >>>> @@ -187,19 +188,36 @@ static int filter_slice(AVFilterContext *ctx,
> >>>> void *arg, int job, int nb_jobs)
> >>>>
> >>>> step = s->max_step[plane];
> >>>>
> >>>> - outrow = out->data[plane] + start * out->linesize[plane];
> >>>> - inrow = in ->data[plane] + start * in->linesize[plane] +
> >>>> (width - 1) * step;
> >>>> + if (vflip) {
> >>>> + outrow = out->data[plane] + (height - start - 1)*
> >>>> out->linesize[plane];
> >>>> + outlinesize = -out->linesize[plane];
> >>>> + } else {
> >>>> + outrow = out->data[plane] + start * out->linesize[plane];
> >>>> + outlinesize = out->linesize[plane];
> >>>> + }
> >>>> +
> >>>> + inrow = in->data[plane] + start * in->linesize[plane] +
> >>>> (width - 1) * step;
> >>>> +
> >>>> for (i = start; i < end; i++) {
> >>>> s->flip_line[plane](inrow, outrow, width);
> >>>>
> >>>> inrow += in ->linesize[plane];
> >>>> - outrow += out->linesize[plane];
> >>>> + outrow += outlinesize;
> >>>> }
> >>>> }
> >>>>
> >>>> return 0;
> >>>> }
> >>>>
> >>>> +static int filter_slice(AVFilterContext *ctx, void *arg, int job, int
> >>>> nb_jobs)
> >>>> +{
> >>>> + FlipContext *s = ctx->priv;
> >>>> + ThreadData *td = arg;
> >>>> + AVFrame *in = td->in;
> >>>> + AVFrame *out = td->out;
> >>>> + return ff_hflip_filter_slice(s, in, out, job, nb_jobs, 0);
> >>>> +}
> >>>> +
> >>>> static int filter_frame(AVFilterLink *inlink, AVFrame *in)
> >>>> {
> >>>> AVFilterContext *ctx = inlink->dst;
> >>>> diff --git a/libavfilter/vf_transpose.c b/libavfilter/vf_transpose.c
> >>>> index dd54947bd9..05dc04a89f 100644
> >>>> --- a/libavfilter/vf_transpose.c
> >>>> +++ b/libavfilter/vf_transpose.c
> >>>> @@ -39,6 +39,7 @@
> >>>> #include "internal.h"
> >>>> #include "video.h"
> >>>> #include "transpose.h"
> >>>> +#include "hflip.h"
> >>>>
> >>>> typedef struct TransVtable {
> >>>> void (*transpose_8x8)(uint8_t *src, ptrdiff_t src_linesize,
> >>>> @@ -48,16 +49,22 @@ typedef struct TransVtable {
> >>>> int w, int h);
> >>>> } TransVtable;
> >>>>
> >>>> -typedef struct TransContext {
> >>>> - const AVClass *class;
> >>>> +typedef struct TransContextData {
> >>>> int hsub, vsub;
> >>>> int planes;
> >>>> int pixsteps[4];
> >>>> + TransVtable vtables[4];
> >>>> +} TransContextData;
> >>>>
> >>>> +typedef struct TransContext {
> >>>> + const AVClass *class;
> >>>> int passthrough; ///< PassthroughType, landscape passthrough
> >>>> mode enabled
> >>>> int dir; ///< TransposeDir
> >>>> -
> >>>> - TransVtable vtables[4];
> >>>> + int orientation; ///< OrientationType
> >>>> + union {
> >>>> + TransContextData transpose;
> >>>> + FlipContext flip;
> >>>> + } ctx;
> >>>> } TransContext;
> >>>>
> >>>> static int query_formats(AVFilterContext *ctx)
> >>>> @@ -207,14 +214,18 @@ static int config_props_output(AVFilterLink
> >>>> *outlink)
> >>>> s->passthrough = TRANSPOSE_PT_TYPE_NONE;
> >>>> }
> >>>>
> >>>> - s->hsub = desc_in->log2_chroma_w;
> >>>> - s->vsub = desc_in->log2_chroma_h;
> >>>> - s->planes = av_pix_fmt_count_planes(outlink->format);
> >>>> + if (s->orientation == ORIENTATION_AUTO_FLIP ||
> >>>> + (s->orientation > ORIENTATION_NONE && s->orientation <=
> >>>> ORIENTATION_VFLIP))
> >>>> + return ff_hflip_config_props(&(s->ctx.flip), inlink);
> >>>> +
> >>>> + s->ctx.transpose.hsub = desc_in->log2_chroma_w;
> >>>> + s->ctx.transpose.vsub = desc_in->log2_chroma_h;
> >>>> + s->ctx.transpose.planes = av_pix_fmt_count_planes(outlink->format);
> >>>>
> >>>> av_assert0(desc_in->nb_components == desc_out->nb_components);
> >>>>
> >>>>
> >>>> - av_image_fill_max_pixsteps(s->pixsteps, NULL, desc_out);
> >>>> + av_image_fill_max_pixsteps(s->ctx.transpose.pixsteps, NULL,
> >>>> desc_out);
> >>>>
> >>>> outlink->w = inlink->h;
> >>>> outlink->h = inlink->w;
> >>>> @@ -226,10 +237,10 @@ static int config_props_output(AVFilterLink
> >>>> *outlink)
> >>>> outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
> >>>>
> >>>> for (int i = 0; i < 4; i++) {
> >>>> - TransVtable *v = &s->vtables[i];
> >>>> - switch (s->pixsteps[i]) {
> >>>> + TransVtable *v = &s->ctx.transpose.vtables[i];
> >>>> + switch (s->ctx.transpose.pixsteps[i]) {
> >>>> case 1: v->transpose_block = transpose_block_8_c;
> >>>> - v->transpose_8x8 = transpose_8x8_8_c; break;
> >>>> + v->transpose_8x8 = transpose_8x8_8_c; break;
> >>>> case 2: v->transpose_block = transpose_block_16_c;
> >>>> v->transpose_8x8 = transpose_8x8_16_c; break;
> >>>> case 3: v->transpose_block = transpose_block_24_c;
> >>>> @@ -262,21 +273,69 @@ static AVFrame *get_video_buffer(AVFilterLink
> >>>> *inlink, int w, int h)
> >>>>
> >>>> typedef struct ThreadData {
> >>>> AVFrame *in, *out;
> >>>> + int orientation;
> >>>> } ThreadData;
> >>>>
> >>>> -static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr,
> >>>> - int nb_jobs)
> >>>> +static int get_frame_orientation(AVFilterContext *ctx, const AVFrame
> >>>> *frame)
> >>>> +{
> >>>> + TransContext *s = ctx->priv;
> >>>> + AVDictionaryEntry *entry = NULL;
> >>>> + int orientation = ORIENTATION_NONE;
> >>>> +
> >>>> + if (s->orientation >= ORIENTATION_NONE)
> >>>> + return s->orientation;
> >>>> +
> >>>> + // read exif orientation data
> >>>> + entry = av_dict_get(frame->metadata, "Orientation", NULL, 0);
> >>>> + if (entry && entry->value)
> >>>> + orientation = atoi(entry->value);
> >>>> +
> >>>> + // check frame orientation validity
> >>>> + if (orientation < ORIENTATION_NORMAL ||
> >>>> + orientation > ORIENTATION_ROTATE270CW) {
> >>>> + // frame orientation is invalid or empty, we have to guess one.
> >>>> + av_log(ctx, AV_LOG_WARNING, "Frame orientation is either empty
> >>>> or invalid.\n");
> >>>> + return s->orientation == ORIENTATION_AUTO_FLIP ?
> >>>> + ORIENTATION_NORMAL : ORIENTATION_HFLIP_ROTATE270CW;
> >>>> + }
> >>>> +
> >>>> + // check conflict between frame orientation and passed-in
> >>>> orientation option
> >>>> + if (s->orientation == ORIENTATION_AUTO_FLIP &&
> >>>> + orientation > ORIENTATION_VFLIP) {
> >>>> + av_log(ctx, AV_LOG_WARNING,
> >>>> + "Found valid orientation value: %i, but auto-flip only
> >>>> cover range [1, 4]. Set to default value 1(ORIENTATION_NONE).\n",
> >>>> + orientation);
> >>>> + // conflict happens, return the min value of orientation range
> >>>> + return ORIENTATION_NORMAL;
> >>>> + }
> >>>> +
> >>>> + // check conflict between frame orientation and passed-in
> >>>> orientation option
> >>>> + if (s->orientation == ORIENTATION_AUTO_TRANSPOSE &&
> >>>> + orientation <= ORIENTATION_VFLIP) {
> >>>> + av_log(ctx, AV_LOG_WARNING,
> >>>> + "Found valid orientation value: %i, but auto-transpose
> >>>> only cover range [5, 8]. Set to default value
> >>>> 5(ORIENTATION_HFLIP_ROTATE270CW).\n",
> >>>> + orientation);
> >>>> + // conflict happens, return the min value of orientation
> >>>> range, same effect as dir=0
> >>>> + return ORIENTATION_HFLIP_ROTATE270CW;
> >>>> + }
> >>>> +
> >>>> + return orientation;
> >>>> +}
> >>>> +
> >>>> +static int transpose_filter_slice(AVFilterContext *ctx, void *arg, int
> >>>> jobnr, int nb_jobs)
> >>>> {
> >>>> TransContext *s = ctx->priv;
> >>>> ThreadData *td = arg;
> >>>> AVFrame *out = td->out;
> >>>> AVFrame *in = td->in;
> >>>> + TransContextData *c = &(s->ctx.transpose);
> >>>> + int orientation = td->orientation;
> >>>> int plane;
> >>>>
> >>>> - for (plane = 0; plane < s->planes; plane++) {
> >>>> - int hsub = plane == 1 || plane == 2 ? s->hsub : 0;
> >>>> - int vsub = plane == 1 || plane == 2 ? s->vsub : 0;
> >>>> - int pixstep = s->pixsteps[plane];
> >>>> + for (plane = 0; plane < c->planes; plane++) {
> >>>> + int hsub = plane == 1 || plane == 2 ? c->hsub : 0;
> >>>> + int vsub = plane == 1 || plane == 2 ? c->vsub : 0;
> >>>> + int pixstep = c->pixsteps[plane];
> >>>> int inh = AV_CEIL_RSHIFT(in->height, vsub);
> >>>> int outw = AV_CEIL_RSHIFT(out->width, hsub);
> >>>> int outh = AV_CEIL_RSHIFT(out->height, vsub);
> >>>> @@ -285,19 +344,36 @@ static int filter_slice(AVFilterContext *ctx,
> >>>> void *arg, int jobnr,
> >>>> uint8_t *dst, *src;
> >>>> int dstlinesize, srclinesize;
> >>>> int x, y;
> >>>> - TransVtable *v = &s->vtables[plane];
> >>>> + int dir = s->dir;
> >>>> + TransVtable *v = &c->vtables[plane];
> >>>>
> >>>> dstlinesize = out->linesize[plane];
> >>>> dst = out->data[plane] + start * dstlinesize;
> >>>> src = in->data[plane];
> >>>> srclinesize = in->linesize[plane];
> >>>> + switch (orientation) {
> >>>> + case ORIENTATION_HFLIP_ROTATE270CW:
> >>>> + dir = 0; // mirror horizontal and rotate 270 CW, same
> >>>> as dir=cclock_flip
> >>>> + break;
> >>>> + case ORIENTATION_ROTATE90CW:
> >>>> + dir = 1; // rotate 90 CW, same as dir=clock
> >>>> + break;
> >>>> + case ORIENTATION_HFLIP_ROTATE90CW:
> >>>> + dir = 3; // mirror horizontal and rotate 90 CW, same
> >>>> as dir=clock_flip
> >>>> + break;
> >>>> + case ORIENTATION_ROTATE270CW:
> >>>> + dir = 2; // rotate 270 CW, same as dir=cclock
> >>>> + break;
> >>>> + default:
> >>>> + break;
> >>>> + }
> >>>>
> >>>> - if (s->dir & 1) {
> >>>> + if (dir & 1) {
> >>>> src += in->linesize[plane] * (inh - 1);
> >>>> srclinesize *= -1;
> >>>> }
> >>>>
> >>>> - if (s->dir & 2) {
> >>>> + if (dir & 2) {
> >>>> dst = out->data[plane] + dstlinesize * (outh -
> >>>> start - 1);
> >>>> dstlinesize *= -1;
> >>>> }
> >>>> @@ -326,6 +402,22 @@ static int filter_slice(AVFilterContext *ctx, void
> >>>> *arg, int jobnr,
> >>>> return 0;
> >>>> }
> >>>>
> >>>> +static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr,
> >>>> + int nb_jobs)
> >>>> +{
> >>>> + TransContext *s = ctx->priv;
> >>>> + ThreadData *td = arg;
> >>>> + AVFrame *out = td->out;
> >>>> + AVFrame *in = td->in;
> >>>> + int orientation = td->orientation;
> >>>> +
> >>>> + if (orientation > ORIENTATION_NONE && orientation <=
> >>>> ORIENTATION_VFLIP) {
> >>>> + return ff_hflip_filter_slice(&s->ctx.flip, in, out, jobnr,
> >>>> nb_jobs,
> >>>> + orientation ==
> >>>> ORIENTATION_ROTATE180);
> >>>> + }
> >>>> + return transpose_filter_slice(ctx, arg, jobnr, nb_jobs);
> >>>> +}
> >>>> +
> >>>> static int filter_frame(AVFilterLink *inlink, AVFrame *in)
> >>>> {
> >>>> AVFilterContext *ctx = inlink->dst;
> >>>> @@ -333,10 +425,29 @@ static int filter_frame(AVFilterLink *inlink,
> >>>> AVFrame *in)
> >>>> AVFilterLink *outlink = ctx->outputs[0];
> >>>> ThreadData td;
> >>>> AVFrame *out;
> >>>> + int orientation = ORIENTATION_NONE;
> >>>>
> >>>> if (s->passthrough)
> >>>> return ff_filter_frame(outlink, in);
> >>>>
> >>>> + if (s->orientation) {
> >>>> + orientation = get_frame_orientation(ctx, in);
> >>>> + if (orientation == ORIENTATION_NORMAL) // orientation
> >>>> 'Normal', do nothing
> >>>> + return ff_filter_frame(outlink, in);
> >>>> +
> >>>> + if (orientation == ORIENTATION_VFLIP) {
> >>>> + int i;
> >>>> + for (i = 0; i < 4; i ++) {
> >>>> + int height = s->ctx.flip.planeheight[i];
> >>>> + if (in->data[i]) {
> >>>> + in->data[i] += (height - 1) * in->linesize[i];
> >>>> + in->linesize[i] = -in->linesize[i];
> >>>> + }
> >>>> + }
> >>>> + return ff_filter_frame(outlink, in);
> >>>> + }
> >>>> + }
> >>>> +
> >>>> out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
> >>>> if (!out) {
> >>>> av_frame_free(&in);
> >>>> @@ -346,12 +457,14 @@ static int filter_frame(AVFilterLink *inlink,
> >>>> AVFrame *in)
> >>>>
> >>>> if (in->sample_aspect_ratio.num == 0) {
> >>>> out->sample_aspect_ratio = in->sample_aspect_ratio;
> >>>> - } else {
> >>>> + } else if (s->orientation == ORIENTATION_AUTO_TRANSPOSE ||
> >>>> + orientation > ORIENTATION_VFLIP) { // transpose
> >>>> out->sample_aspect_ratio.num = in->sample_aspect_ratio.den;
> >>>> out->sample_aspect_ratio.den = in->sample_aspect_ratio.num;
> >>>> }
> >>>>
> >>>> td.in = in, td.out = out;
> >>>> + td.orientation = orientation;
> >>>> ctx->internal->execute(ctx, filter_slice, &td, NULL,
> >>>> FFMIN(outlink->h, ff_filter_get_nb_threads(ctx)));
> >>>> av_frame_free(&in);
> >>>> return ff_filter_frame(outlink, out);
> >>>> @@ -373,6 +486,19 @@ static const AVOption transpose_options[] = {
> >>>> { "portrait", "preserve portrait geometry", 0,
> >>>> AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_PORTRAIT}, INT_MIN, INT_MAX,
> >>>> FLAGS, "passthrough" },
> >>>> { "landscape", "preserve landscape geometry", 0,
> >>>> AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_LANDSCAPE}, INT_MIN, INT_MAX,
> >>>> FLAGS, "passthrough" },
> >>>>
> >>>> + { "orientation", "apply frame exif orientation",
> >>>> + OFFSET(orientation), AV_OPT_TYPE_INT, {.i64 = ORIENTATION_NONE
> >>>> }, ORIENTATION_AUTO_TRANSPOSE, ORIENTATION_ROTATE270CW, FLAGS,
> >>>> "orientation" },
> >>>> + { "auto_transpose", "apply transposition if frame's
> >>>> orientation value is in range [5,8]", 0,
> >>>> AV_OPT_TYPE_CONST, {.i64=ORIENTATION_AUTO_TRANSPOSE}, INT_MIN, INT_MAX,
> >>>> FLAGS, "orientation" },
> >>>> + { "auto_flip", "apply flip if frame's orientation
> >>>> value is in range [1,4]", 0,
> >>>> AV_OPT_TYPE_CONST, {.i64=ORIENTATION_AUTO_FLIP}, INT_MIN, INT_MAX,
> >>>> FLAGS, "orientation" },
> >>>> + { "none", "apply default transposition, same as
> >>>> dir=cclock_flip", 0, AV_OPT_TYPE_CONST,
> >>>> {.i64=ORIENTATION_NONE}, INT_MIN, INT_MAX, FLAGS,
> >>>> "orientation" },
> >>>> + { "normal", "exif orientation 'Normal', do not
> >>>> apply any flip or transposition", 0,
> >>>> AV_OPT_TYPE_CONST, {.i64=ORIENTATION_NORMAL}, INT_MIN, INT_MAX,
> >>>> FLAGS, "orientation" },
> >>>> + { "hflip", "exif orientation 'Mirror horizontal',
> >>>> apply horizontal flip", 0, AV_OPT_TYPE_CONST,
> >>>> {.i64=ORIENTATION_HFLIP}, INT_MIN, INT_MAX, FLAGS,
> >>>> "orientation" },
> >>>> + { "rotate180", "exif orientation 'Rotate 180', apply
> >>>> rotation 180", 0, AV_OPT_TYPE_CONST,
> >>>> {.i64=ORIENTATION_ROTATE180}, INT_MIN, INT_MAX, FLAGS,
> >>>> "orientation" },
> >>>> + { "vflip", "exif orientation 'Mirror vertical',
> >>>> apply vertical flip", 0, AV_OPT_TYPE_CONST,
> >>>> {.i64=ORIENTATION_VFLIP}, INT_MIN, INT_MAX, FLAGS,
> >>>> "orientation" },
> >>>> + { "hflip_rotate270cw", "exif orientation 'Mirror horizontal
> >>>> and rotate 270 CW', same effect as dir=cclock_flip", 0, AV_OPT_TYPE_CONST,
> >>>> {.i64=ORIENTATION_HFLIP_ROTATE270CW}, INT_MIN, INT_MAX, FLAGS,
> >>>> "orientation" },
> >>>> + { "rotate90cw", "exif orientation 'Rotate 90 CW', same
> >>>> as dir=clock", 0, AV_OPT_TYPE_CONST,
> >>>> {.i64=ORIENTATION_ROTATE90CW}, INT_MIN, INT_MAX, FLAGS,
> >>>> "orientation" },
> >>>> + { "hflip_rotate90cw", "exif orientation 'Mirror horizontal
> >>>> and rotate 90 CW', same effect as dir=clock_flip", 0, AV_OPT_TYPE_CONST,
> >>>> {.i64=ORIENTATION_HFLIP_ROTATE90CW}, INT_MIN, INT_MAX, FLAGS,
> >>>> "orientation" },
> >>>> + { "rotate270", "exif orientation 'Rotate 270 CW', same
> >>>> as dir=cclock", 0, AV_OPT_TYPE_CONST,
> >>>> {.i64=ORIENTATION_ROTATE270CW}, INT_MIN, INT_MAX, FLAGS,
> >>>> "orientation" },
> >>>> { NULL }
> >>>> };
> >>>>
> >>>> --
> >>>> 2.17.1
> >>>>
> >>>>
> >>> Ping :)
> >>>
> >>
> >> Ping x 2
> >>
> >
> > Ping x3, could someone please help to take a look ? Really appreciate that.
> >
> >
> Ping x4. This is to address exif auto-rotate, make fate test passed.
>
> > -Jun
> >
> _______________________________________________
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>
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Any comments?
Thanks
Steven Liu
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