7ecc2d40 |
/* |
c4e88217 |
* This file is part of FFmpeg. |
7ecc2d40 |
* |
c4e88217 |
* FFmpeg is free software; you can redistribute it and/or |
7ecc2d40 |
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* |
c4e88217 |
* FFmpeg is distributed in the hope that it will be useful, |
7ecc2d40 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public |
c4e88217 |
* License along with FFmpeg; if not, write to the Free Software |
7ecc2d40 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
|
0651e892 |
#include "channel_layout.h" |
a964d6a8 |
#include "avassert.h" |
7ecc2d40 |
#include "buffer.h"
#include "common.h" |
77b2cd7b |
#include "dict.h" |
7ecc2d40 |
#include "frame.h"
#include "imgutils.h"
#include "mem.h"
#include "samplefmt.h"
|
7df37dd3 |
#if FF_API_FRAME_GET_SET |
c4e88217 |
MAKE_ACCESSORS(AVFrame, frame, int64_t, best_effort_timestamp)
MAKE_ACCESSORS(AVFrame, frame, int64_t, pkt_duration)
MAKE_ACCESSORS(AVFrame, frame, int64_t, pkt_pos)
MAKE_ACCESSORS(AVFrame, frame, int64_t, channel_layout)
MAKE_ACCESSORS(AVFrame, frame, int, channels)
MAKE_ACCESSORS(AVFrame, frame, int, sample_rate)
MAKE_ACCESSORS(AVFrame, frame, AVDictionary *, metadata)
MAKE_ACCESSORS(AVFrame, frame, int, decode_error_flags)
MAKE_ACCESSORS(AVFrame, frame, int, pkt_size) |
a80e6229 |
MAKE_ACCESSORS(AVFrame, frame, enum AVColorSpace, colorspace)
MAKE_ACCESSORS(AVFrame, frame, enum AVColorRange, color_range) |
7df37dd3 |
#endif |
c4e88217 |
|
a964d6a8 |
#define CHECK_CHANNELS_CONSISTENCY(frame) \
av_assert2(!(frame)->channel_layout || \
(frame)->channels == \
av_get_channel_layout_nb_channels((frame)->channel_layout))
|
a9915268 |
#if FF_API_FRAME_QP |
4b86ac27 |
struct qp_properties {
int stride;
int type;
};
|
caff8881 |
int av_frame_set_qp_table(AVFrame *f, AVBufferRef *buf, int stride, int qp_type)
{ |
4b86ac27 |
struct qp_properties *p;
AVFrameSideData *sd;
AVBufferRef *ref;
|
36855abc |
FF_DISABLE_DEPRECATION_WARNINGS |
caff8881 |
av_buffer_unref(&f->qp_table_buf);
f->qp_table_buf = buf;
f->qscale_table = buf->data;
f->qstride = stride;
f->qscale_type = qp_type; |
a9915268 |
FF_ENABLE_DEPRECATION_WARNINGS |
caff8881 |
|
4b86ac27 |
av_frame_remove_side_data(f, AV_FRAME_DATA_QP_TABLE_PROPERTIES);
av_frame_remove_side_data(f, AV_FRAME_DATA_QP_TABLE_DATA);
ref = av_buffer_ref(buf);
if (!av_frame_new_side_data_from_buf(f, AV_FRAME_DATA_QP_TABLE_DATA, ref)) {
av_buffer_unref(&ref);
return AVERROR(ENOMEM);
}
sd = av_frame_new_side_data(f, AV_FRAME_DATA_QP_TABLE_PROPERTIES,
sizeof(struct qp_properties));
if (!sd)
return AVERROR(ENOMEM);
p = (struct qp_properties *)sd->data;
p->stride = stride;
p->type = qp_type;
|
caff8881 |
return 0;
}
int8_t *av_frame_get_qp_table(AVFrame *f, int *stride, int *type)
{ |
4b86ac27 |
AVBufferRef *buf = NULL; |
caff8881 |
|
4b86ac27 |
*stride = 0;
*type = 0; |
caff8881 |
|
4b86ac27 |
FF_DISABLE_DEPRECATION_WARNINGS
if (f->qp_table_buf) {
*stride = f->qstride;
*type = f->qscale_type;
buf = f->qp_table_buf; |
36855abc |
FF_ENABLE_DEPRECATION_WARNINGS |
4b86ac27 |
} else {
AVFrameSideData *sd;
struct qp_properties *p;
sd = av_frame_get_side_data(f, AV_FRAME_DATA_QP_TABLE_PROPERTIES);
if (!sd)
return NULL;
p = (struct qp_properties *)sd->data;
sd = av_frame_get_side_data(f, AV_FRAME_DATA_QP_TABLE_DATA);
if (!sd)
return NULL;
*stride = p->stride;
*type = p->type;
buf = sd->buf;
}
return buf ? buf->data : NULL; |
caff8881 |
} |
a9915268 |
#endif |
caff8881 |
|
9c8aeacf |
const char *av_get_colorspace_name(enum AVColorSpace val)
{ |
d9e2aceb |
static const char * const name[] = { |
9c8aeacf |
[AVCOL_SPC_RGB] = "GBR",
[AVCOL_SPC_BT709] = "bt709",
[AVCOL_SPC_FCC] = "fcc",
[AVCOL_SPC_BT470BG] = "bt470bg",
[AVCOL_SPC_SMPTE170M] = "smpte170m",
[AVCOL_SPC_SMPTE240M] = "smpte240m",
[AVCOL_SPC_YCOCG] = "YCgCo",
}; |
1225b67f |
if ((unsigned)val >= FF_ARRAY_ELEMS(name)) |
9c8aeacf |
return NULL;
return name[val];
}
|
7ecc2d40 |
static void get_frame_defaults(AVFrame *frame)
{
if (frame->extended_data != frame->data)
av_freep(&frame->extended_data);
memset(frame, 0, sizeof(*frame));
|
586ae70b |
frame->pts = |
3f9137c5 |
frame->pkt_dts = AV_NOPTS_VALUE;
#if FF_API_PKT_PTS
FF_DISABLE_DEPRECATION_WARNINGS |
586ae70b |
frame->pkt_pts = AV_NOPTS_VALUE; |
3f9137c5 |
FF_ENABLE_DEPRECATION_WARNINGS
#endif |
fb91850f |
frame->best_effort_timestamp = AV_NOPTS_VALUE;
frame->pkt_duration = 0;
frame->pkt_pos = -1;
frame->pkt_size = -1; |
7ecc2d40 |
frame->key_frame = 1;
frame->sample_aspect_ratio = (AVRational){ 0, 1 };
frame->format = -1; /* unknown */
frame->extended_data = frame->data; |
8c02adc6 |
frame->color_primaries = AVCOL_PRI_UNSPECIFIED;
frame->color_trc = AVCOL_TRC_UNSPECIFIED;
frame->colorspace = AVCOL_SPC_UNSPECIFIED;
frame->color_range = AVCOL_RANGE_UNSPECIFIED;
frame->chroma_location = AVCHROMA_LOC_UNSPECIFIED; |
3cb400c1 |
frame->flags = 0; |
7ecc2d40 |
}
|
44671b57 |
static void free_side_data(AVFrameSideData **ptr_sd)
{
AVFrameSideData *sd = *ptr_sd;
|
589a6042 |
av_buffer_unref(&sd->buf); |
44671b57 |
av_dict_free(&sd->metadata);
av_freep(ptr_sd);
}
|
5d839778 |
static void wipe_side_data(AVFrame *frame)
{
int i;
for (i = 0; i < frame->nb_side_data; i++) {
free_side_data(&frame->side_data[i]);
}
frame->nb_side_data = 0;
av_freep(&frame->side_data);
}
|
7ecc2d40 |
AVFrame *av_frame_alloc(void)
{
AVFrame *frame = av_mallocz(sizeof(*frame));
if (!frame)
return NULL;
|
586ae70b |
frame->extended_data = NULL; |
7ecc2d40 |
get_frame_defaults(frame);
return frame;
}
void av_frame_free(AVFrame **frame)
{
if (!frame || !*frame)
return;
av_frame_unref(*frame);
av_freep(frame);
}
static int get_video_buffer(AVFrame *frame, int align)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
int ret, i;
if (!desc)
return AVERROR(EINVAL);
if ((ret = av_image_check_size(frame->width, frame->height, 0, NULL)) < 0)
return ret;
if (!frame->linesize[0]) { |
4de220d2 |
if (align <= 0) |
7aa6b8a6 |
align = 32; /* STRIDE_ALIGN. Should be av_cpu_max_align() */
|
9626d0e9 |
for(i=1; i<=align; i+=i) {
ret = av_image_fill_linesizes(frame->linesize, frame->format,
FFALIGN(frame->width, i));
if (ret < 0)
return ret;
if (!(frame->linesize[0] & (align-1)))
break;
} |
7ecc2d40 |
for (i = 0; i < 4 && frame->linesize[i]; i++)
frame->linesize[i] = FFALIGN(frame->linesize[i], align);
}
for (i = 0; i < 4 && frame->linesize[i]; i++) { |
1ad542f1 |
int h = FFALIGN(frame->height, 32); |
7ecc2d40 |
if (i == 1 || i == 2) |
21f94684 |
h = AV_CEIL_RSHIFT(h, desc->log2_chroma_h); |
7ecc2d40 |
|
83350165 |
frame->buf[i] = av_buffer_alloc(frame->linesize[i] * h + 16 + 16/*STRIDE_ALIGN*/ - 1); |
7ecc2d40 |
if (!frame->buf[i])
goto fail;
frame->data[i] = frame->buf[i]->data;
} |
d6fc031c |
if (desc->flags & AV_PIX_FMT_FLAG_PAL || desc->flags & FF_PSEUDOPAL) { |
7ecc2d40 |
av_buffer_unref(&frame->buf[1]); |
503d8bf7 |
frame->buf[1] = av_buffer_alloc(AVPALETTE_SIZE); |
7ecc2d40 |
if (!frame->buf[1])
goto fail;
frame->data[1] = frame->buf[1]->data;
}
frame->extended_data = frame->data;
return 0;
fail:
av_frame_unref(frame);
return AVERROR(ENOMEM);
}
static int get_audio_buffer(AVFrame *frame, int align)
{ |
60b099c3 |
int channels; |
7ecc2d40 |
int planar = av_sample_fmt_is_planar(frame->format); |
60b099c3 |
int planes; |
7ecc2d40 |
int ret, i;
|
60b099c3 |
if (!frame->channels)
frame->channels = av_get_channel_layout_nb_channels(frame->channel_layout);
channels = frame->channels;
planes = planar ? channels : 1;
|
a964d6a8 |
CHECK_CHANNELS_CONSISTENCY(frame); |
7ecc2d40 |
if (!frame->linesize[0]) {
ret = av_samples_get_buffer_size(&frame->linesize[0], channels,
frame->nb_samples, frame->format,
align);
if (ret < 0)
return ret;
}
if (planes > AV_NUM_DATA_POINTERS) { |
4615ff0d |
frame->extended_data = av_mallocz_array(planes, |
7ecc2d40 |
sizeof(*frame->extended_data)); |
4615ff0d |
frame->extended_buf = av_mallocz_array((planes - AV_NUM_DATA_POINTERS), |
7ecc2d40 |
sizeof(*frame->extended_buf));
if (!frame->extended_data || !frame->extended_buf) {
av_freep(&frame->extended_data);
av_freep(&frame->extended_buf);
return AVERROR(ENOMEM);
}
frame->nb_extended_buf = planes - AV_NUM_DATA_POINTERS;
} else
frame->extended_data = frame->data;
for (i = 0; i < FFMIN(planes, AV_NUM_DATA_POINTERS); i++) {
frame->buf[i] = av_buffer_alloc(frame->linesize[0]);
if (!frame->buf[i]) {
av_frame_unref(frame);
return AVERROR(ENOMEM);
}
frame->extended_data[i] = frame->data[i] = frame->buf[i]->data;
}
for (i = 0; i < planes - AV_NUM_DATA_POINTERS; i++) {
frame->extended_buf[i] = av_buffer_alloc(frame->linesize[0]);
if (!frame->extended_buf[i]) {
av_frame_unref(frame);
return AVERROR(ENOMEM);
}
frame->extended_data[i + AV_NUM_DATA_POINTERS] = frame->extended_buf[i]->data;
}
return 0;
}
int av_frame_get_buffer(AVFrame *frame, int align)
{
if (frame->format < 0)
return AVERROR(EINVAL);
if (frame->width > 0 && frame->height > 0)
return get_video_buffer(frame, align); |
0a06e6e4 |
else if (frame->nb_samples > 0 && (frame->channel_layout || frame->channels > 0)) |
7ecc2d40 |
return get_audio_buffer(frame, align);
return AVERROR(EINVAL);
}
|
589a6042 |
static int frame_copy_props(AVFrame *dst, const AVFrame *src, int force_copy) |
b8e36690 |
{
int i;
dst->key_frame = src->key_frame;
dst->pict_type = src->pict_type;
dst->sample_aspect_ratio = src->sample_aspect_ratio; |
a47bd5d7 |
dst->crop_top = src->crop_top;
dst->crop_bottom = src->crop_bottom;
dst->crop_left = src->crop_left;
dst->crop_right = src->crop_right; |
b8e36690 |
dst->pts = src->pts;
dst->repeat_pict = src->repeat_pict;
dst->interlaced_frame = src->interlaced_frame;
dst->top_field_first = src->top_field_first;
dst->palette_has_changed = src->palette_has_changed;
dst->sample_rate = src->sample_rate;
dst->opaque = src->opaque; |
3f9137c5 |
#if FF_API_PKT_PTS
FF_DISABLE_DEPRECATION_WARNINGS |
b8e36690 |
dst->pkt_pts = src->pkt_pts; |
3f9137c5 |
FF_ENABLE_DEPRECATION_WARNINGS
#endif |
b8e36690 |
dst->pkt_dts = src->pkt_dts;
dst->pkt_pos = src->pkt_pos;
dst->pkt_size = src->pkt_size;
dst->pkt_duration = src->pkt_duration;
dst->reordered_opaque = src->reordered_opaque;
dst->quality = src->quality;
dst->best_effort_timestamp = src->best_effort_timestamp;
dst->coded_picture_number = src->coded_picture_number;
dst->display_picture_number = src->display_picture_number;
dst->flags = src->flags;
dst->decode_error_flags = src->decode_error_flags;
dst->color_primaries = src->color_primaries;
dst->color_trc = src->color_trc;
dst->colorspace = src->colorspace;
dst->color_range = src->color_range;
dst->chroma_location = src->chroma_location;
av_dict_copy(&dst->metadata, src->metadata, 0);
|
5fa5e73e |
#if FF_API_ERROR_FRAME
FF_DISABLE_DEPRECATION_WARNINGS |
b8e36690 |
memcpy(dst->error, src->error, sizeof(dst->error)); |
5fa5e73e |
FF_ENABLE_DEPRECATION_WARNINGS
#endif |
b8e36690 |
for (i = 0; i < src->nb_side_data; i++) {
const AVFrameSideData *sd_src = src->side_data[i];
AVFrameSideData *sd_dst;
if ( sd_src->type == AV_FRAME_DATA_PANSCAN
&& (src->width != dst->width || src->height != dst->height))
continue; |
589a6042 |
if (force_copy) {
sd_dst = av_frame_new_side_data(dst, sd_src->type,
sd_src->size);
if (!sd_dst) {
wipe_side_data(dst);
return AVERROR(ENOMEM);
}
memcpy(sd_dst->data, sd_src->data, sd_src->size);
} else { |
6731f605 |
AVBufferRef *ref = av_buffer_ref(sd_src->buf);
sd_dst = av_frame_new_side_data_from_buf(dst, sd_src->type, ref); |
589a6042 |
if (!sd_dst) { |
6731f605 |
av_buffer_unref(&ref); |
589a6042 |
wipe_side_data(dst);
return AVERROR(ENOMEM);
} |
b8e36690 |
}
av_dict_copy(&sd_dst->metadata, sd_src->metadata, 0);
}
|
a9915268 |
#if FF_API_FRAME_QP
FF_DISABLE_DEPRECATION_WARNINGS |
b8e36690 |
dst->qscale_table = NULL;
dst->qstride = 0;
dst->qscale_type = 0; |
4099e4a7 |
av_buffer_unref(&dst->qp_table_buf); |
b8e36690 |
if (src->qp_table_buf) {
dst->qp_table_buf = av_buffer_ref(src->qp_table_buf);
if (dst->qp_table_buf) {
dst->qscale_table = dst->qp_table_buf->data;
dst->qstride = src->qstride;
dst->qscale_type = src->qscale_type;
}
} |
a9915268 |
FF_ENABLE_DEPRECATION_WARNINGS
#endif |
b8e36690 |
|
e3af49b1 |
av_buffer_unref(&dst->opaque_ref); |
1fa3a9a3 |
av_buffer_unref(&dst->private_ref); |
e3af49b1 |
if (src->opaque_ref) {
dst->opaque_ref = av_buffer_ref(src->opaque_ref);
if (!dst->opaque_ref)
return AVERROR(ENOMEM);
} |
1fa3a9a3 |
if (src->private_ref) {
dst->private_ref = av_buffer_ref(src->private_ref);
if (!dst->private_ref)
return AVERROR(ENOMEM);
} |
b8e36690 |
return 0;
}
|
529a9893 |
int av_frame_ref(AVFrame *dst, const AVFrame *src) |
7ecc2d40 |
{
int i, ret = 0;
|
13aae86a |
av_assert1(dst->width == 0 && dst->height == 0);
av_assert1(dst->channels == 0);
|
7ecc2d40 |
dst->format = src->format;
dst->width = src->width;
dst->height = src->height; |
d1b456b0 |
dst->channels = src->channels; |
7ecc2d40 |
dst->channel_layout = src->channel_layout;
dst->nb_samples = src->nb_samples;
|
589a6042 |
ret = frame_copy_props(dst, src, 0); |
7ecc2d40 |
if (ret < 0)
return ret;
/* duplicate the frame data if it's not refcounted */
if (!src->buf[0]) {
ret = av_frame_get_buffer(dst, 32);
if (ret < 0)
return ret;
|
1155fd02 |
ret = av_frame_copy(dst, src);
if (ret < 0)
av_frame_unref(dst);
return ret; |
7ecc2d40 |
}
/* ref the buffers */ |
5a65fea6 |
for (i = 0; i < FF_ARRAY_ELEMS(src->buf); i++) {
if (!src->buf[i])
continue; |
7ecc2d40 |
dst->buf[i] = av_buffer_ref(src->buf[i]);
if (!dst->buf[i]) {
ret = AVERROR(ENOMEM);
goto fail;
}
}
if (src->extended_buf) { |
4615ff0d |
dst->extended_buf = av_mallocz_array(sizeof(*dst->extended_buf), |
7ecc2d40 |
src->nb_extended_buf);
if (!dst->extended_buf) {
ret = AVERROR(ENOMEM);
goto fail;
}
dst->nb_extended_buf = src->nb_extended_buf;
for (i = 0; i < src->nb_extended_buf; i++) {
dst->extended_buf[i] = av_buffer_ref(src->extended_buf[i]);
if (!dst->extended_buf[i]) {
ret = AVERROR(ENOMEM);
goto fail;
}
}
}
|
89923e41 |
if (src->hw_frames_ctx) {
dst->hw_frames_ctx = av_buffer_ref(src->hw_frames_ctx);
if (!dst->hw_frames_ctx) {
ret = AVERROR(ENOMEM);
goto fail;
}
}
|
7ecc2d40 |
/* duplicate extended data */
if (src->extended_data != src->data) { |
a964d6a8 |
int ch = src->channels; |
7ecc2d40 |
if (!ch) {
ret = AVERROR(EINVAL);
goto fail;
} |
a964d6a8 |
CHECK_CHANNELS_CONSISTENCY(src); |
7ecc2d40 |
|
4615ff0d |
dst->extended_data = av_malloc_array(sizeof(*dst->extended_data), ch); |
7ecc2d40 |
if (!dst->extended_data) {
ret = AVERROR(ENOMEM);
goto fail;
}
memcpy(dst->extended_data, src->extended_data, sizeof(*src->extended_data) * ch);
} else
dst->extended_data = dst->data;
memcpy(dst->data, src->data, sizeof(src->data));
memcpy(dst->linesize, src->linesize, sizeof(src->linesize));
return 0;
fail:
av_frame_unref(dst);
return ret;
}
|
529a9893 |
AVFrame *av_frame_clone(const AVFrame *src) |
7ecc2d40 |
{
AVFrame *ret = av_frame_alloc();
if (!ret)
return NULL;
if (av_frame_ref(ret, src) < 0)
av_frame_free(&ret);
return ret;
}
void av_frame_unref(AVFrame *frame)
{
int i;
|
feb6a94f |
if (!frame)
return;
|
5d839778 |
wipe_side_data(frame); |
77b2cd7b |
|
7ecc2d40 |
for (i = 0; i < FF_ARRAY_ELEMS(frame->buf); i++)
av_buffer_unref(&frame->buf[i]);
for (i = 0; i < frame->nb_extended_buf; i++)
av_buffer_unref(&frame->extended_buf[i]);
av_freep(&frame->extended_buf); |
febd78e9 |
av_dict_free(&frame->metadata); |
a9915268 |
#if FF_API_FRAME_QP |
36855abc |
FF_DISABLE_DEPRECATION_WARNINGS |
caff8881 |
av_buffer_unref(&frame->qp_table_buf); |
36855abc |
FF_ENABLE_DEPRECATION_WARNINGS |
a9915268 |
#endif |
caff8881 |
|
89923e41 |
av_buffer_unref(&frame->hw_frames_ctx);
|
e3af49b1 |
av_buffer_unref(&frame->opaque_ref); |
1fa3a9a3 |
av_buffer_unref(&frame->private_ref); |
e3af49b1 |
|
7ecc2d40 |
get_frame_defaults(frame);
}
void av_frame_move_ref(AVFrame *dst, AVFrame *src)
{ |
13aae86a |
av_assert1(dst->width == 0 && dst->height == 0);
av_assert1(dst->channels == 0);
|
7ecc2d40 |
*dst = *src;
if (src->extended_data == src->data)
dst->extended_data = dst->data;
memset(src, 0, sizeof(*src));
get_frame_defaults(src);
}
int av_frame_is_writable(AVFrame *frame)
{
int i, ret = 1;
/* assume non-refcounted frames are not writable */
if (!frame->buf[0])
return 0;
|
5a65fea6 |
for (i = 0; i < FF_ARRAY_ELEMS(frame->buf); i++)
if (frame->buf[i])
ret &= !!av_buffer_is_writable(frame->buf[i]); |
7ecc2d40 |
for (i = 0; i < frame->nb_extended_buf; i++)
ret &= !!av_buffer_is_writable(frame->extended_buf[i]);
return ret;
}
int av_frame_make_writable(AVFrame *frame)
{
AVFrame tmp;
int ret;
if (!frame->buf[0])
return AVERROR(EINVAL);
if (av_frame_is_writable(frame))
return 0;
memset(&tmp, 0, sizeof(tmp));
tmp.format = frame->format;
tmp.width = frame->width;
tmp.height = frame->height; |
e4c5e08f |
tmp.channels = frame->channels; |
7ecc2d40 |
tmp.channel_layout = frame->channel_layout;
tmp.nb_samples = frame->nb_samples;
ret = av_frame_get_buffer(&tmp, 32);
if (ret < 0)
return ret;
|
1155fd02 |
ret = av_frame_copy(&tmp, frame);
if (ret < 0) {
av_frame_unref(&tmp);
return ret; |
7ecc2d40 |
}
ret = av_frame_copy_props(&tmp, frame);
if (ret < 0) {
av_frame_unref(&tmp);
return ret;
}
av_frame_unref(frame);
*frame = tmp;
if (tmp.data == tmp.extended_data)
frame->extended_data = frame->data;
return 0;
}
|
589a6042 |
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
{
return frame_copy_props(dst, src, 1);
}
|
7ecc2d40 |
AVBufferRef *av_frame_get_plane_buffer(AVFrame *frame, int plane)
{
uint8_t *data;
int planes, i;
if (frame->nb_samples) { |
a964d6a8 |
int channels = frame->channels; |
7ecc2d40 |
if (!channels)
return NULL; |
a964d6a8 |
CHECK_CHANNELS_CONSISTENCY(frame); |
7ecc2d40 |
planes = av_sample_fmt_is_planar(frame->format) ? channels : 1;
} else
planes = 4;
if (plane < 0 || plane >= planes || !frame->extended_data[plane])
return NULL;
data = frame->extended_data[plane];
for (i = 0; i < FF_ARRAY_ELEMS(frame->buf) && frame->buf[i]; i++) {
AVBufferRef *buf = frame->buf[i];
if (data >= buf->data && data < buf->data + buf->size)
return buf;
}
for (i = 0; i < frame->nb_extended_buf; i++) {
AVBufferRef *buf = frame->extended_buf[i];
if (data >= buf->data && data < buf->data + buf->size)
return buf;
}
return NULL;
} |
77b2cd7b |
|
6731f605 |
AVFrameSideData *av_frame_new_side_data_from_buf(AVFrame *frame,
enum AVFrameSideDataType type,
AVBufferRef *buf) |
77b2cd7b |
{
AVFrameSideData *ret, **tmp;
|
5804201c |
if (!buf) |
77b2cd7b |
return NULL;
|
5804201c |
if (frame->nb_side_data > INT_MAX / sizeof(*frame->side_data) - 1) |
6731f605 |
return NULL; |
5804201c |
|
77b2cd7b |
tmp = av_realloc(frame->side_data,
(frame->nb_side_data + 1) * sizeof(*frame->side_data));
if (!tmp) |
6731f605 |
return NULL; |
77b2cd7b |
frame->side_data = tmp;
ret = av_mallocz(sizeof(*ret));
if (!ret) |
6731f605 |
return NULL; |
77b2cd7b |
|
5804201c |
ret->buf = buf;
ret->data = ret->buf->data;
ret->size = buf->size; |
77b2cd7b |
ret->type = type;
frame->side_data[frame->nb_side_data++] = ret;
return ret; |
5804201c |
}
AVFrameSideData *av_frame_new_side_data(AVFrame *frame,
enum AVFrameSideDataType type,
int size)
{ |
6731f605 |
AVFrameSideData *ret;
AVBufferRef *buf = av_buffer_alloc(size);
ret = av_frame_new_side_data_from_buf(frame, type, buf);
if (!ret)
av_buffer_unref(&buf);
return ret; |
77b2cd7b |
}
|
3c8bff07 |
AVFrameSideData *av_frame_get_side_data(const AVFrame *frame, |
77b2cd7b |
enum AVFrameSideDataType type)
{
int i;
for (i = 0; i < frame->nb_side_data; i++) {
if (frame->side_data[i]->type == type)
return frame->side_data[i];
}
return NULL;
} |
1155fd02 |
static int frame_copy_video(AVFrame *dst, const AVFrame *src)
{
const uint8_t *src_data[4];
int i, planes;
|
879aa062 |
if (dst->width < src->width ||
dst->height < src->height) |
1155fd02 |
return AVERROR(EINVAL);
planes = av_pix_fmt_count_planes(dst->format);
for (i = 0; i < planes; i++)
if (!dst->data[i] || !src->data[i])
return AVERROR(EINVAL);
memcpy(src_data, src->data, sizeof(src_data));
av_image_copy(dst->data, dst->linesize,
src_data, src->linesize, |
879aa062 |
dst->format, src->width, src->height); |
1155fd02 |
return 0;
}
static int frame_copy_audio(AVFrame *dst, const AVFrame *src)
{
int planar = av_sample_fmt_is_planar(dst->format); |
fff52623 |
int channels = dst->channels; |
1155fd02 |
int planes = planar ? channels : 1;
int i;
if (dst->nb_samples != src->nb_samples || |
74bb1ca8 |
dst->channels != src->channels || |
1155fd02 |
dst->channel_layout != src->channel_layout)
return AVERROR(EINVAL);
|
fff52623 |
CHECK_CHANNELS_CONSISTENCY(src);
|
1155fd02 |
for (i = 0; i < planes; i++)
if (!dst->extended_data[i] || !src->extended_data[i])
return AVERROR(EINVAL);
av_samples_copy(dst->extended_data, src->extended_data, 0, 0,
dst->nb_samples, channels, dst->format);
return 0;
}
int av_frame_copy(AVFrame *dst, const AVFrame *src)
{
if (dst->format != src->format || dst->format < 0)
return AVERROR(EINVAL);
if (dst->width > 0 && dst->height > 0)
return frame_copy_video(dst, src); |
d2576955 |
else if (dst->nb_samples > 0 && dst->channels > 0) |
1155fd02 |
return frame_copy_audio(dst, src);
return AVERROR(EINVAL);
} |
d161ae0a |
void av_frame_remove_side_data(AVFrame *frame, enum AVFrameSideDataType type)
{
int i;
for (i = 0; i < frame->nb_side_data; i++) {
AVFrameSideData *sd = frame->side_data[i];
if (sd->type == type) { |
44671b57 |
free_side_data(&frame->side_data[i]); |
d161ae0a |
frame->side_data[i] = frame->side_data[frame->nb_side_data - 1];
frame->nb_side_data--;
}
}
} |
ba3e3311 |
const char *av_frame_side_data_name(enum AVFrameSideDataType type)
{
switch(type) {
case AV_FRAME_DATA_PANSCAN: return "AVPanScan";
case AV_FRAME_DATA_A53_CC: return "ATSC A53 Part 4 Closed Captions";
case AV_FRAME_DATA_STEREO3D: return "Stereoscopic 3d metadata";
case AV_FRAME_DATA_MATRIXENCODING: return "AVMatrixEncoding";
case AV_FRAME_DATA_DOWNMIX_INFO: return "Metadata relevant to a downmix procedure";
case AV_FRAME_DATA_REPLAYGAIN: return "AVReplayGain";
case AV_FRAME_DATA_DISPLAYMATRIX: return "3x3 displaymatrix"; |
17399f6a |
case AV_FRAME_DATA_AFD: return "Active format description"; |
b0352b19 |
case AV_FRAME_DATA_MOTION_VECTORS: return "Motion vectors"; |
17399f6a |
case AV_FRAME_DATA_SKIP_SAMPLES: return "Skip samples";
case AV_FRAME_DATA_AUDIO_SERVICE_TYPE: return "Audio service type";
case AV_FRAME_DATA_MASTERING_DISPLAY_METADATA: return "Mastering display metadata"; |
b378f5bd |
case AV_FRAME_DATA_CONTENT_LIGHT_LEVEL: return "Content light level metadata"; |
66e9d2f4 |
case AV_FRAME_DATA_GOP_TIMECODE: return "GOP timecode"; |
4cebf0fc |
case AV_FRAME_DATA_ICC_PROFILE: return "ICC profile"; |
4b86ac27 |
case AV_FRAME_DATA_QP_TABLE_PROPERTIES: return "QP table properties";
case AV_FRAME_DATA_QP_TABLE_DATA: return "QP table data"; |
ba3e3311 |
}
return NULL;
} |
caa12027 |
static int calc_cropping_offsets(size_t offsets[4], const AVFrame *frame,
const AVPixFmtDescriptor *desc)
{
int i, j;
for (i = 0; frame->data[i]; i++) {
const AVComponentDescriptor *comp = NULL;
int shift_x = (i == 1 || i == 2) ? desc->log2_chroma_w : 0;
int shift_y = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
|
d6fc031c |
if (desc->flags & (AV_PIX_FMT_FLAG_PAL | FF_PSEUDOPAL) && i == 1) { |
caa12027 |
offsets[i] = 0;
break;
}
/* find any component descriptor for this plane */
for (j = 0; j < desc->nb_components; j++) {
if (desc->comp[j].plane == i) {
comp = &desc->comp[j];
break;
}
}
if (!comp)
return AVERROR_BUG;
offsets[i] = (frame->crop_top >> shift_y) * frame->linesize[i] +
(frame->crop_left >> shift_x) * comp->step;
}
return 0;
}
int av_frame_apply_cropping(AVFrame *frame, int flags)
{
const AVPixFmtDescriptor *desc;
size_t offsets[4];
int i;
if (!(frame->width > 0 && frame->height > 0))
return AVERROR(EINVAL);
if (frame->crop_left >= INT_MAX - frame->crop_right ||
frame->crop_top >= INT_MAX - frame->crop_bottom ||
(frame->crop_left + frame->crop_right) >= frame->width ||
(frame->crop_top + frame->crop_bottom) >= frame->height)
return AVERROR(ERANGE);
desc = av_pix_fmt_desc_get(frame->format);
if (!desc)
return AVERROR_BUG;
/* Apply just the right/bottom cropping for hwaccel formats. Bitstream
* formats cannot be easily handled here either (and corresponding decoders
* should not export any cropping anyway), so do the same for those as well.
* */
if (desc->flags & (AV_PIX_FMT_FLAG_BITSTREAM | AV_PIX_FMT_FLAG_HWACCEL)) {
frame->width -= frame->crop_right;
frame->height -= frame->crop_bottom;
frame->crop_right = 0;
frame->crop_bottom = 0;
return 0;
}
/* calculate the offsets for each plane */
calc_cropping_offsets(offsets, frame, desc);
/* adjust the offsets to avoid breaking alignment */
if (!(flags & AV_FRAME_CROP_UNALIGNED)) {
int log2_crop_align = frame->crop_left ? ff_ctz(frame->crop_left) : INT_MAX;
int min_log2_align = INT_MAX;
for (i = 0; frame->data[i]; i++) {
int log2_align = offsets[i] ? ff_ctz(offsets[i]) : INT_MAX;
min_log2_align = FFMIN(log2_align, min_log2_align);
}
/* we assume, and it should always be true, that the data alignment is
* related to the cropping alignment by a constant power-of-2 factor */
if (log2_crop_align < min_log2_align)
return AVERROR_BUG;
if (min_log2_align < 5) {
frame->crop_left &= ~((1 << (5 + log2_crop_align - min_log2_align)) - 1);
calc_cropping_offsets(offsets, frame, desc);
}
}
for (i = 0; frame->data[i]; i++)
frame->data[i] += offsets[i];
frame->width -= (frame->crop_left + frame->crop_right);
frame->height -= (frame->crop_top + frame->crop_bottom);
frame->crop_left = 0;
frame->crop_right = 0;
frame->crop_top = 0;
frame->crop_bottom = 0;
return 0;
} |