Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 947 insertions, 0 deletions

diff --git a/media/ffvpx/libavutil/frame.c b/media/ffvpx/libavutil/frame.c
new file mode 100644
index 0000000000..dcf1fc3d17
--- /dev/null
+++ b/media/ffvpx/libavutil/frame.c
@@ -0,0 +1,947 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * 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.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * 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
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "channel_layout.h"
+#include "avassert.h"
+#include "buffer.h"
+#include "common.h"
+#include "dict.h"
+#include "frame.h"
+#include "imgutils.h"
+#include "mem.h"
+#include "samplefmt.h"
+
+#if FF_API_FRAME_GET_SET
+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)
+MAKE_ACCESSORS(AVFrame, frame, enum AVColorSpace, colorspace)
+MAKE_ACCESSORS(AVFrame, frame, enum AVColorRange, color_range)
+#endif
+
+#define CHECK_CHANNELS_CONSISTENCY(frame) \
+    av_assert2(!(frame)->channel_layout || \
+               (frame)->channels == \
+               av_get_channel_layout_nb_channels((frame)->channel_layout))
+
+#if FF_API_FRAME_QP
+struct qp_properties {
+    int stride;
+    int type;
+};
+
+int av_frame_set_qp_table(AVFrame *f, AVBufferRef *buf, int stride, int qp_type)
+{
+    struct qp_properties *p;
+    AVFrameSideData *sd;
+    AVBufferRef *ref;
+
+FF_DISABLE_DEPRECATION_WARNINGS
+    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;
+FF_ENABLE_DEPRECATION_WARNINGS
+
+    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;
+
+    return 0;
+}
+
+int8_t *av_frame_get_qp_table(AVFrame *f, int *stride, int *type)
+{
+    AVBufferRef *buf = NULL;
+
+    *stride = 0;
+    *type   = 0;
+
+FF_DISABLE_DEPRECATION_WARNINGS
+    if (f->qp_table_buf) {
+        *stride = f->qstride;
+        *type   = f->qscale_type;
+        buf     = f->qp_table_buf;
+FF_ENABLE_DEPRECATION_WARNINGS
+    } 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;
+}
+#endif
+
+const char *av_get_colorspace_name(enum AVColorSpace val)
+{
+    static const char * const name[] = {
+        [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",
+    };
+    if ((unsigned)val >= FF_ARRAY_ELEMS(name))
+        return NULL;
+    return name[val];
+}
+
+static void get_frame_defaults(AVFrame *frame)
+{
+    if (frame->extended_data != frame->data)
+        av_freep(&frame->extended_data);
+
+    memset(frame, 0, sizeof(*frame));
+
+    frame->pts                   =
+    frame->pkt_dts               = AV_NOPTS_VALUE;
+#if FF_API_PKT_PTS
+FF_DISABLE_DEPRECATION_WARNINGS
+    frame->pkt_pts               = AV_NOPTS_VALUE;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+    frame->best_effort_timestamp = AV_NOPTS_VALUE;
+    frame->pkt_duration        = 0;
+    frame->pkt_pos             = -1;
+    frame->pkt_size            = -1;
+    frame->key_frame           = 1;
+    frame->sample_aspect_ratio = (AVRational){ 0, 1 };
+    frame->format              = -1; /* unknown */
+    frame->extended_data       = frame->data;
+    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;
+    frame->flags               = 0;
+}
+
+static void free_side_data(AVFrameSideData **ptr_sd)
+{
+    AVFrameSideData *sd = *ptr_sd;
+
+    av_buffer_unref(&sd->buf);
+    av_dict_free(&sd->metadata);
+    av_freep(ptr_sd);
+}
+
+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);
+}
+
+AVFrame *av_frame_alloc(void)
+{
+    AVFrame *frame = av_mallocz(sizeof(*frame));
+
+    if (!frame)
+        return NULL;
+
+    frame->extended_data = NULL;
+    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, padded_height;
+    int plane_padding = FFMAX(16 + 16/*STRIDE_ALIGN*/, align);
+
+    if (!desc)
+        return AVERROR(EINVAL);
+
+    if ((ret = av_image_check_size(frame->width, frame->height, 0, NULL)) < 0)
+        return ret;
+
+    if (!frame->linesize[0]) {
+        if (align <= 0)
+            align = 32; /* STRIDE_ALIGN. Should be av_cpu_max_align() */
+
+        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;
+        }
+
+        for (i = 0; i < 4 && frame->linesize[i]; i++)
+            frame->linesize[i] = FFALIGN(frame->linesize[i], align);
+    }
+
+    padded_height = FFALIGN(frame->height, 32);
+    if ((ret = av_image_fill_pointers(frame->data, frame->format, padded_height,
+                                      NULL, frame->linesize)) < 0)
+        return ret;
+
+    frame->buf[0] = av_buffer_alloc(ret + 4*plane_padding);
+    if (!frame->buf[0]) {
+        ret = AVERROR(ENOMEM);
+        goto fail;
+    }
+
+    if ((ret = av_image_fill_pointers(frame->data, frame->format, padded_height,
+                                      frame->buf[0]->data, frame->linesize)) < 0)
+        goto fail;
+
+    for (i = 1; i < 4; i++) {
+        if (frame->data[i])
+            frame->data[i] += i * plane_padding;
+    }
+
+    frame->extended_data = frame->data;
+
+    return 0;
+fail:
+    av_frame_unref(frame);
+    return ret;
+}
+
+static int get_audio_buffer(AVFrame *frame, int align)
+{
+    int channels;
+    int planar   = av_sample_fmt_is_planar(frame->format);
+    int planes;
+    int ret, i;
+
+    if (!frame->channels)
+        frame->channels = av_get_channel_layout_nb_channels(frame->channel_layout);
+
+    channels = frame->channels;
+    planes = planar ? channels : 1;
+
+    CHECK_CHANNELS_CONSISTENCY(frame);
+    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) {
+        frame->extended_data = av_mallocz_array(planes,
+                                          sizeof(*frame->extended_data));
+        frame->extended_buf  = av_mallocz_array((planes - AV_NUM_DATA_POINTERS),
+                                          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);
+    else if (frame->nb_samples > 0 && (frame->channel_layout || frame->channels > 0))
+        return get_audio_buffer(frame, align);
+
+    return AVERROR(EINVAL);
+}
+
+static int frame_copy_props(AVFrame *dst, const AVFrame *src, int force_copy)
+{
+    int i;
+
+    dst->key_frame              = src->key_frame;
+    dst->pict_type              = src->pict_type;
+    dst->sample_aspect_ratio    = src->sample_aspect_ratio;
+    dst->crop_top               = src->crop_top;
+    dst->crop_bottom            = src->crop_bottom;
+    dst->crop_left              = src->crop_left;
+    dst->crop_right             = src->crop_right;
+    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;
+#if FF_API_PKT_PTS
+FF_DISABLE_DEPRECATION_WARNINGS
+    dst->pkt_pts                = src->pkt_pts;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+    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);
+
+#if FF_API_ERROR_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+    memcpy(dst->error, src->error, sizeof(dst->error));
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+    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;
+        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 {
+            AVBufferRef *ref = av_buffer_ref(sd_src->buf);
+            sd_dst = av_frame_new_side_data_from_buf(dst, sd_src->type, ref);
+            if (!sd_dst) {
+                av_buffer_unref(&ref);
+                wipe_side_data(dst);
+                return AVERROR(ENOMEM);
+            }
+        }
+        av_dict_copy(&sd_dst->metadata, sd_src->metadata, 0);
+    }
+
+#if FF_API_FRAME_QP
+FF_DISABLE_DEPRECATION_WARNINGS
+    dst->qscale_table = NULL;
+    dst->qstride      = 0;
+    dst->qscale_type  = 0;
+    av_buffer_unref(&dst->qp_table_buf);
+    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;
+        }
+    }
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+    av_buffer_unref(&dst->opaque_ref);
+    av_buffer_unref(&dst->private_ref);
+    if (src->opaque_ref) {
+        dst->opaque_ref = av_buffer_ref(src->opaque_ref);
+        if (!dst->opaque_ref)
+            return AVERROR(ENOMEM);
+    }
+    if (src->private_ref) {
+        dst->private_ref = av_buffer_ref(src->private_ref);
+        if (!dst->private_ref)
+            return AVERROR(ENOMEM);
+    }
+    return 0;
+}
+
+int av_frame_ref(AVFrame *dst, const AVFrame *src)
+{
+    int i, ret = 0;
+
+    av_assert1(dst->width == 0 && dst->height == 0);
+    av_assert1(dst->channels == 0);
+
+    dst->format         = src->format;
+    dst->width          = src->width;
+    dst->height         = src->height;
+    dst->channels       = src->channels;
+    dst->channel_layout = src->channel_layout;
+    dst->nb_samples     = src->nb_samples;
+
+    ret = frame_copy_props(dst, src, 0);
+    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;
+
+        ret = av_frame_copy(dst, src);
+        if (ret < 0)
+            av_frame_unref(dst);
+
+        return ret;
+    }
+
+    /* ref the buffers */
+    for (i = 0; i < FF_ARRAY_ELEMS(src->buf); i++) {
+        if (!src->buf[i])
+            continue;
+        dst->buf[i] = av_buffer_ref(src->buf[i]);
+        if (!dst->buf[i]) {
+            ret = AVERROR(ENOMEM);
+            goto fail;
+        }
+    }
+
+    if (src->extended_buf) {
+        dst->extended_buf = av_mallocz_array(sizeof(*dst->extended_buf),
+                                       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;
+            }
+        }
+    }
+
+    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;
+        }
+    }
+
+    /* duplicate extended data */
+    if (src->extended_data != src->data) {
+        int ch = src->channels;
+
+        if (!ch) {
+            ret = AVERROR(EINVAL);
+            goto fail;
+        }
+        CHECK_CHANNELS_CONSISTENCY(src);
+
+        dst->extended_data = av_malloc_array(sizeof(*dst->extended_data), ch);
+        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;
+}
+
+AVFrame *av_frame_clone(const AVFrame *src)
+{
+    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;
+
+    if (!frame)
+        return;
+
+    wipe_side_data(frame);
+
+    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);
+    av_dict_free(&frame->metadata);
+#if FF_API_FRAME_QP
+FF_DISABLE_DEPRECATION_WARNINGS
+    av_buffer_unref(&frame->qp_table_buf);
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+    av_buffer_unref(&frame->hw_frames_ctx);
+
+    av_buffer_unref(&frame->opaque_ref);
+    av_buffer_unref(&frame->private_ref);
+
+    get_frame_defaults(frame);
+}
+
+void av_frame_move_ref(AVFrame *dst, AVFrame *src)
+{
+    av_assert1(dst->width == 0 && dst->height == 0);
+    av_assert1(dst->channels == 0);
+
+    *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;
+
+    for (i = 0; i < FF_ARRAY_ELEMS(frame->buf); i++)
+        if (frame->buf[i])
+            ret &= !!av_buffer_is_writable(frame->buf[i]);
+    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;
+    tmp.channels       = frame->channels;
+    tmp.channel_layout = frame->channel_layout;
+    tmp.nb_samples     = frame->nb_samples;
+    ret = av_frame_get_buffer(&tmp, 32);
+    if (ret < 0)
+        return ret;
+
+    ret = av_frame_copy(&tmp, frame);
+    if (ret < 0) {
+        av_frame_unref(&tmp);
+        return ret;
+    }
+
+    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;
+}
+
+int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
+{
+    return frame_copy_props(dst, src, 1);
+}
+
+AVBufferRef *av_frame_get_plane_buffer(AVFrame *frame, int plane)
+{
+    uint8_t *data;
+    int planes, i;
+
+    if (frame->nb_samples) {
+        int channels = frame->channels;
+        if (!channels)
+            return NULL;
+        CHECK_CHANNELS_CONSISTENCY(frame);
+        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;
+}
+
+AVFrameSideData *av_frame_new_side_data_from_buf(AVFrame *frame,
+                                                 enum AVFrameSideDataType type,
+                                                 AVBufferRef *buf)
+{
+    AVFrameSideData *ret, **tmp;
+
+    if (!buf)
+        return NULL;
+
+    if (frame->nb_side_data > INT_MAX / sizeof(*frame->side_data) - 1)
+        return NULL;
+
+    tmp = av_realloc(frame->side_data,
+                     (frame->nb_side_data + 1) * sizeof(*frame->side_data));
+    if (!tmp)
+        return NULL;
+    frame->side_data = tmp;
+
+    ret = av_mallocz(sizeof(*ret));
+    if (!ret)
+        return NULL;
+
+    ret->buf = buf;
+    ret->data = ret->buf->data;
+    ret->size = buf->size;
+    ret->type = type;
+
+    frame->side_data[frame->nb_side_data++] = ret;
+
+    return ret;
+}
+
+AVFrameSideData *av_frame_new_side_data(AVFrame *frame,
+                                        enum AVFrameSideDataType type,
+                                        int size)
+{
+    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;
+}
+
+AVFrameSideData *av_frame_get_side_data(const AVFrame *frame,
+                                        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;
+}
+
+static int frame_copy_video(AVFrame *dst, const AVFrame *src)
+{
+    const uint8_t *src_data[4];
+    int i, planes;
+
+    if (dst->width  < src->width ||
+        dst->height < src->height)
+        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,
+                  dst->format, src->width, src->height);
+
+    return 0;
+}
+
+static int frame_copy_audio(AVFrame *dst, const AVFrame *src)
+{
+    int planar   = av_sample_fmt_is_planar(dst->format);
+    int channels = dst->channels;
+    int planes   = planar ? channels : 1;
+    int i;
+
+    if (dst->nb_samples     != src->nb_samples ||
+        dst->channels       != src->channels ||
+        dst->channel_layout != src->channel_layout)
+        return AVERROR(EINVAL);
+
+    CHECK_CHANNELS_CONSISTENCY(src);
+
+    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);
+    else if (dst->nb_samples > 0 && dst->channels > 0)
+        return frame_copy_audio(dst, src);
+
+    return AVERROR(EINVAL);
+}
+
+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) {
+            free_side_data(&frame->side_data[i]);
+            frame->side_data[i] = frame->side_data[frame->nb_side_data - 1];
+            frame->nb_side_data--;
+        }
+    }
+}
+
+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 "Stereo 3D";
+    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";
+    case AV_FRAME_DATA_AFD:             return "Active format description";
+    case AV_FRAME_DATA_MOTION_VECTORS:  return "Motion vectors";
+    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";
+    case AV_FRAME_DATA_CONTENT_LIGHT_LEVEL:         return "Content light level metadata";
+    case AV_FRAME_DATA_GOP_TIMECODE:                return "GOP timecode";
+    case AV_FRAME_DATA_S12M_TIMECODE:               return "SMPTE 12-1 timecode";
+    case AV_FRAME_DATA_SPHERICAL:                   return "Spherical Mapping";
+    case AV_FRAME_DATA_ICC_PROFILE:                 return "ICC profile";
+#if FF_API_FRAME_QP
+    case AV_FRAME_DATA_QP_TABLE_PROPERTIES:         return "QP table properties";
+    case AV_FRAME_DATA_QP_TABLE_DATA:               return "QP table data";
+#endif
+    case AV_FRAME_DATA_DYNAMIC_HDR_PLUS: return "HDR Dynamic Metadata SMPTE2094-40 (HDR10+)";
+    case AV_FRAME_DATA_REGIONS_OF_INTEREST: return "Regions Of Interest";
+    }
+    return NULL;
+}
+
+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;
+
+        if (desc->flags & (AV_PIX_FMT_FLAG_PAL | FF_PSEUDOPAL) && i == 1) {
+            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;
+}