2012-10-17 12:51:01 +03:00
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/*
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*
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2013-03-08 22:18:45 +03:00
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* This file is part of FFmpeg.
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2012-10-17 12:51:01 +03:00
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*
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2013-03-08 22:18:45 +03:00
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* FFmpeg is free software; you can redistribute it and/or
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2012-10-17 12:51:01 +03:00
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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2013-03-08 22:18:45 +03:00
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* FFmpeg is distributed in the hope that it will be useful,
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2012-10-17 12:51:01 +03:00
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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2013-03-08 22:18:45 +03:00
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* License along with FFmpeg; if not, write to the Free Software
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2012-10-17 12:51:01 +03:00
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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2013-03-07 10:16:07 +03:00
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#include "channel_layout.h"
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2013-03-16 13:33:25 +03:00
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#include "avassert.h"
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2012-10-17 12:51:01 +03:00
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#include "buffer.h"
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#include "common.h"
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2012-12-26 00:11:36 +03:00
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#include "dict.h"
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2012-10-17 12:51:01 +03:00
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#include "frame.h"
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#include "imgutils.h"
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#include "mem.h"
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#include "samplefmt.h"
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2013-03-08 22:18:45 +03:00
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MAKE_ACCESSORS(AVFrame, frame, int64_t, best_effort_timestamp)
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MAKE_ACCESSORS(AVFrame, frame, int64_t, pkt_duration)
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MAKE_ACCESSORS(AVFrame, frame, int64_t, pkt_pos)
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MAKE_ACCESSORS(AVFrame, frame, int64_t, channel_layout)
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MAKE_ACCESSORS(AVFrame, frame, int, channels)
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MAKE_ACCESSORS(AVFrame, frame, int, sample_rate)
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MAKE_ACCESSORS(AVFrame, frame, AVDictionary *, metadata)
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MAKE_ACCESSORS(AVFrame, frame, int, decode_error_flags)
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MAKE_ACCESSORS(AVFrame, frame, int, pkt_size)
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2013-07-14 20:13:46 +03:00
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MAKE_ACCESSORS(AVFrame, frame, enum AVColorSpace, colorspace)
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MAKE_ACCESSORS(AVFrame, frame, enum AVColorRange, color_range)
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2013-03-08 22:18:45 +03:00
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2013-03-16 13:33:25 +03:00
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#define CHECK_CHANNELS_CONSISTENCY(frame) \
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av_assert2(!(frame)->channel_layout || \
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(frame)->channels == \
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av_get_channel_layout_nb_channels((frame)->channel_layout))
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2013-03-08 22:18:45 +03:00
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AVDictionary **avpriv_frame_get_metadatap(AVFrame *frame) {return &frame->metadata;};
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2013-03-14 04:12:14 +03:00
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int av_frame_set_qp_table(AVFrame *f, AVBufferRef *buf, int stride, int qp_type)
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{
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av_buffer_unref(&f->qp_table_buf);
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f->qp_table_buf = buf;
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f->qscale_table = buf->data;
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f->qstride = stride;
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f->qscale_type = qp_type;
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return 0;
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}
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int8_t *av_frame_get_qp_table(AVFrame *f, int *stride, int *type)
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{
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*stride = f->qstride;
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*type = f->qscale_type;
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if (!f->qp_table_buf)
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return NULL;
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return f->qp_table_buf->data;
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}
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2013-08-31 18:10:10 +03:00
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const char *av_get_colorspace_name(enum AVColorSpace val)
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{
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static const char *name[] = {
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[AVCOL_SPC_RGB] = "GBR",
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[AVCOL_SPC_BT709] = "bt709",
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[AVCOL_SPC_FCC] = "fcc",
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[AVCOL_SPC_BT470BG] = "bt470bg",
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[AVCOL_SPC_SMPTE170M] = "smpte170m",
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[AVCOL_SPC_SMPTE240M] = "smpte240m",
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[AVCOL_SPC_YCOCG] = "YCgCo",
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};
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2013-09-19 23:46:52 +03:00
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if ((unsigned)val >= FF_ARRAY_ELEMS(name))
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2013-08-31 18:10:10 +03:00
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return NULL;
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return name[val];
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}
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2012-10-17 12:51:01 +03:00
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static void get_frame_defaults(AVFrame *frame)
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{
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if (frame->extended_data != frame->data)
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av_freep(&frame->extended_data);
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memset(frame, 0, sizeof(*frame));
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2013-03-10 02:34:16 +03:00
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frame->pts =
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frame->pkt_dts =
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frame->pkt_pts = AV_NOPTS_VALUE;
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av_frame_set_best_effort_timestamp(frame, AV_NOPTS_VALUE);
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av_frame_set_pkt_duration (frame, 0);
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av_frame_set_pkt_pos (frame, -1);
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av_frame_set_pkt_size (frame, -1);
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2012-10-17 12:51:01 +03:00
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frame->key_frame = 1;
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frame->sample_aspect_ratio = (AVRational){ 0, 1 };
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frame->format = -1; /* unknown */
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2013-07-14 20:13:46 +03:00
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frame->colorspace = AVCOL_SPC_UNSPECIFIED;
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2012-10-17 12:51:01 +03:00
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frame->extended_data = frame->data;
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}
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AVFrame *av_frame_alloc(void)
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{
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AVFrame *frame = av_mallocz(sizeof(*frame));
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if (!frame)
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return NULL;
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2013-03-10 02:34:16 +03:00
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frame->extended_data = NULL;
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2012-10-17 12:51:01 +03:00
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get_frame_defaults(frame);
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return frame;
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}
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void av_frame_free(AVFrame **frame)
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{
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if (!frame || !*frame)
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return;
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av_frame_unref(*frame);
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av_freep(frame);
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}
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static int get_video_buffer(AVFrame *frame, int align)
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{
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
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int ret, i;
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if (!desc)
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return AVERROR(EINVAL);
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if ((ret = av_image_check_size(frame->width, frame->height, 0, NULL)) < 0)
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return ret;
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if (!frame->linesize[0]) {
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2013-06-18 17:39:23 +03:00
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for(i=1; i<=align; i+=i) {
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ret = av_image_fill_linesizes(frame->linesize, frame->format,
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FFALIGN(frame->width, i));
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if (ret < 0)
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return ret;
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if (!(frame->linesize[0] & (align-1)))
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break;
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}
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2012-10-17 12:51:01 +03:00
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for (i = 0; i < 4 && frame->linesize[i]; i++)
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frame->linesize[i] = FFALIGN(frame->linesize[i], align);
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}
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for (i = 0; i < 4 && frame->linesize[i]; i++) {
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2013-03-12 13:33:43 +03:00
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int h = FFALIGN(frame->height, 32);
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2012-10-17 12:51:01 +03:00
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if (i == 1 || i == 2)
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2013-05-07 17:31:02 +03:00
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h = FF_CEIL_RSHIFT(h, desc->log2_chroma_h);
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2012-10-17 12:51:01 +03:00
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2013-03-17 04:18:08 +03:00
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frame->buf[i] = av_buffer_alloc(frame->linesize[i] * h + 16);
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2012-10-17 12:51:01 +03:00
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if (!frame->buf[i])
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goto fail;
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frame->data[i] = frame->buf[i]->data;
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}
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2013-05-12 16:41:49 +03:00
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if (desc->flags & AV_PIX_FMT_FLAG_PAL || desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL) {
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2012-10-17 12:51:01 +03:00
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av_buffer_unref(&frame->buf[1]);
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frame->buf[1] = av_buffer_alloc(1024);
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if (!frame->buf[1])
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goto fail;
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frame->data[1] = frame->buf[1]->data;
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}
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frame->extended_data = frame->data;
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return 0;
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fail:
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av_frame_unref(frame);
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return AVERROR(ENOMEM);
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}
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static int get_audio_buffer(AVFrame *frame, int align)
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{
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2013-11-27 12:52:26 +03:00
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int channels;
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2012-10-17 12:51:01 +03:00
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int planar = av_sample_fmt_is_planar(frame->format);
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2013-11-27 12:52:26 +03:00
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int planes;
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2012-10-17 12:51:01 +03:00
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int ret, i;
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2013-11-27 12:52:26 +03:00
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if (!frame->channels)
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frame->channels = av_get_channel_layout_nb_channels(frame->channel_layout);
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channels = frame->channels;
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planes = planar ? channels : 1;
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|
2013-03-16 13:33:25 +03:00
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CHECK_CHANNELS_CONSISTENCY(frame);
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2012-10-17 12:51:01 +03:00
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if (!frame->linesize[0]) {
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ret = av_samples_get_buffer_size(&frame->linesize[0], channels,
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frame->nb_samples, frame->format,
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align);
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if (ret < 0)
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return ret;
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}
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if (planes > AV_NUM_DATA_POINTERS) {
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frame->extended_data = av_mallocz(planes *
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sizeof(*frame->extended_data));
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frame->extended_buf = av_mallocz((planes - AV_NUM_DATA_POINTERS) *
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sizeof(*frame->extended_buf));
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if (!frame->extended_data || !frame->extended_buf) {
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av_freep(&frame->extended_data);
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av_freep(&frame->extended_buf);
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return AVERROR(ENOMEM);
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}
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frame->nb_extended_buf = planes - AV_NUM_DATA_POINTERS;
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} else
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frame->extended_data = frame->data;
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for (i = 0; i < FFMIN(planes, AV_NUM_DATA_POINTERS); i++) {
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frame->buf[i] = av_buffer_alloc(frame->linesize[0]);
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if (!frame->buf[i]) {
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av_frame_unref(frame);
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return AVERROR(ENOMEM);
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}
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frame->extended_data[i] = frame->data[i] = frame->buf[i]->data;
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}
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for (i = 0; i < planes - AV_NUM_DATA_POINTERS; i++) {
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frame->extended_buf[i] = av_buffer_alloc(frame->linesize[0]);
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if (!frame->extended_buf[i]) {
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av_frame_unref(frame);
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return AVERROR(ENOMEM);
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}
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frame->extended_data[i + AV_NUM_DATA_POINTERS] = frame->extended_buf[i]->data;
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}
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return 0;
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}
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int av_frame_get_buffer(AVFrame *frame, int align)
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|
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{
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|
|
if (frame->format < 0)
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return AVERROR(EINVAL);
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if (frame->width > 0 && frame->height > 0)
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return get_video_buffer(frame, align);
|
2013-07-13 21:58:18 +03:00
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else if (frame->nb_samples > 0 && (frame->channel_layout || frame->channels > 0))
|
2012-10-17 12:51:01 +03:00
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return get_audio_buffer(frame, align);
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return AVERROR(EINVAL);
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}
|
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|
|
|
2013-10-26 17:43:07 +03:00
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int av_frame_ref(AVFrame *dst, const AVFrame *src)
|
2012-10-17 12:51:01 +03:00
|
|
|
{
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int i, ret = 0;
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dst->format = src->format;
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dst->width = src->width;
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dst->height = src->height;
|
2013-03-09 19:17:59 +03:00
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dst->channels = src->channels;
|
2012-10-17 12:51:01 +03:00
|
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dst->channel_layout = src->channel_layout;
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|
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dst->nb_samples = src->nb_samples;
|
|
|
|
|
|
|
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ret = av_frame_copy_props(dst, src);
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|
|
if (ret < 0)
|
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|
|
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;
|
|
|
|
|
|
|
|
if (src->nb_samples) {
|
2013-03-16 13:33:25 +03:00
|
|
|
int ch = src->channels;
|
|
|
|
CHECK_CHANNELS_CONSISTENCY(src);
|
2012-10-17 12:51:01 +03:00
|
|
|
av_samples_copy(dst->extended_data, src->extended_data, 0, 0,
|
|
|
|
dst->nb_samples, ch, dst->format);
|
|
|
|
} else {
|
|
|
|
av_image_copy(dst->data, dst->linesize, src->data, src->linesize,
|
|
|
|
dst->format, dst->width, dst->height);
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ref the buffers */
|
2013-05-20 18:28:06 +03:00
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(src->buf); i++) {
|
|
|
|
if (!src->buf[i])
|
|
|
|
continue;
|
2012-10-17 12:51:01 +03:00
|
|
|
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(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;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* duplicate extended data */
|
|
|
|
if (src->extended_data != src->data) {
|
2013-03-16 13:33:25 +03:00
|
|
|
int ch = src->channels;
|
2012-10-17 12:51:01 +03:00
|
|
|
|
|
|
|
if (!ch) {
|
|
|
|
ret = AVERROR(EINVAL);
|
|
|
|
goto fail;
|
|
|
|
}
|
2013-03-16 13:33:25 +03:00
|
|
|
CHECK_CHANNELS_CONSISTENCY(src);
|
2012-10-17 12:51:01 +03:00
|
|
|
|
|
|
|
dst->extended_data = av_malloc(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;
|
|
|
|
}
|
|
|
|
|
2013-10-26 17:43:07 +03:00
|
|
|
AVFrame *av_frame_clone(const AVFrame *src)
|
2012-10-17 12:51:01 +03:00
|
|
|
{
|
|
|
|
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;
|
|
|
|
|
2012-12-26 00:11:36 +03:00
|
|
|
for (i = 0; i < frame->nb_side_data; i++) {
|
|
|
|
av_freep(&frame->side_data[i]->data);
|
|
|
|
av_dict_free(&frame->side_data[i]->metadata);
|
|
|
|
av_freep(&frame->side_data[i]);
|
|
|
|
}
|
|
|
|
av_freep(&frame->side_data);
|
|
|
|
|
2012-10-17 12:51:01 +03:00
|
|
|
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);
|
2013-03-13 19:51:07 +03:00
|
|
|
av_dict_free(&frame->metadata);
|
2013-03-14 04:12:14 +03:00
|
|
|
av_buffer_unref(&frame->qp_table_buf);
|
|
|
|
|
2012-10-17 12:51:01 +03:00
|
|
|
get_frame_defaults(frame);
|
|
|
|
}
|
|
|
|
|
|
|
|
void av_frame_move_ref(AVFrame *dst, AVFrame *src)
|
|
|
|
{
|
|
|
|
*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;
|
|
|
|
|
2013-05-20 18:28:06 +03:00
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(frame->buf); i++)
|
|
|
|
if (frame->buf[i])
|
|
|
|
ret &= !!av_buffer_is_writable(frame->buf[i]);
|
2012-10-17 12:51:01 +03:00
|
|
|
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;
|
2013-03-13 15:44:55 +03:00
|
|
|
tmp.channels = frame->channels;
|
2012-10-17 12:51:01 +03:00
|
|
|
tmp.channel_layout = frame->channel_layout;
|
|
|
|
tmp.nb_samples = frame->nb_samples;
|
|
|
|
ret = av_frame_get_buffer(&tmp, 32);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
if (tmp.nb_samples) {
|
2013-03-16 13:33:25 +03:00
|
|
|
int ch = tmp.channels;
|
|
|
|
CHECK_CHANNELS_CONSISTENCY(&tmp);
|
2012-10-17 12:51:01 +03:00
|
|
|
av_samples_copy(tmp.extended_data, frame->extended_data, 0, 0,
|
|
|
|
frame->nb_samples, ch, frame->format);
|
|
|
|
} else {
|
|
|
|
av_image_copy(tmp.data, tmp.linesize, frame->data, frame->linesize,
|
|
|
|
frame->format, frame->width, frame->height);
|
|
|
|
}
|
|
|
|
|
|
|
|
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)
|
|
|
|
{
|
2012-12-26 00:11:36 +03:00
|
|
|
int i;
|
|
|
|
|
2013-11-29 22:41:35 +03:00
|
|
|
dst->key_frame = src->key_frame;
|
|
|
|
dst->pict_type = src->pict_type;
|
|
|
|
dst->sample_aspect_ratio = src->sample_aspect_ratio;
|
|
|
|
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;
|
2013-03-13 14:47:56 +03:00
|
|
|
#if FF_API_AVFRAME_LAVC
|
2013-12-09 20:06:52 +03:00
|
|
|
dst->type = src->type;
|
2013-03-13 14:47:56 +03:00
|
|
|
#endif
|
2013-11-29 22:41:35 +03:00
|
|
|
dst->pkt_pts = src->pkt_pts;
|
|
|
|
dst->pkt_dts = src->pkt_dts;
|
2013-12-09 20:06:52 +03:00
|
|
|
dst->pkt_pos = src->pkt_pos;
|
|
|
|
dst->pkt_size = src->pkt_size;
|
|
|
|
dst->pkt_duration = src->pkt_duration;
|
2013-11-29 22:41:35 +03:00
|
|
|
dst->reordered_opaque = src->reordered_opaque;
|
|
|
|
dst->quality = src->quality;
|
2013-12-09 20:06:52 +03:00
|
|
|
dst->best_effort_timestamp = src->best_effort_timestamp;
|
2013-11-29 22:41:35 +03:00
|
|
|
dst->coded_picture_number = src->coded_picture_number;
|
2012-10-17 12:51:01 +03:00
|
|
|
dst->display_picture_number = src->display_picture_number;
|
2013-11-29 22:40:34 +03:00
|
|
|
dst->flags = src->flags;
|
2013-12-09 20:06:52 +03:00
|
|
|
dst->decode_error_flags = src->decode_error_flags;
|
|
|
|
dst->colorspace = src->colorspace;
|
|
|
|
dst->color_range = src->color_range;
|
2013-03-13 15:41:21 +03:00
|
|
|
|
|
|
|
av_dict_copy(&dst->metadata, src->metadata, 0);
|
2012-10-17 12:51:01 +03:00
|
|
|
|
2013-03-22 17:13:42 +03:00
|
|
|
memcpy(dst->error, src->error, sizeof(dst->error));
|
|
|
|
|
2012-12-26 00:11:36 +03:00
|
|
|
for (i = 0; i < src->nb_side_data; i++) {
|
|
|
|
const AVFrameSideData *sd_src = src->side_data[i];
|
|
|
|
AVFrameSideData *sd_dst = av_frame_new_side_data(dst, sd_src->type,
|
|
|
|
sd_src->size);
|
|
|
|
if (!sd_dst) {
|
|
|
|
for (i = 0; i < dst->nb_side_data; i++) {
|
|
|
|
av_freep(&dst->side_data[i]->data);
|
|
|
|
av_freep(&dst->side_data[i]);
|
|
|
|
av_dict_free(&dst->side_data[i]->metadata);
|
|
|
|
}
|
|
|
|
av_freep(&dst->side_data);
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
}
|
|
|
|
memcpy(sd_dst->data, sd_src->data, sd_src->size);
|
|
|
|
av_dict_copy(&sd_dst->metadata, sd_src->metadata, 0);
|
|
|
|
}
|
|
|
|
|
2013-03-14 04:12:14 +03:00
|
|
|
dst->qscale_table = NULL;
|
|
|
|
dst->qstride = 0;
|
|
|
|
dst->qscale_type = 0;
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-10-17 12:51:01 +03:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
AVBufferRef *av_frame_get_plane_buffer(AVFrame *frame, int plane)
|
|
|
|
{
|
|
|
|
uint8_t *data;
|
|
|
|
int planes, i;
|
|
|
|
|
|
|
|
if (frame->nb_samples) {
|
2013-03-16 13:33:25 +03:00
|
|
|
int channels = frame->channels;
|
2012-10-17 12:51:01 +03:00
|
|
|
if (!channels)
|
|
|
|
return NULL;
|
2013-03-16 13:33:25 +03:00
|
|
|
CHECK_CHANNELS_CONSISTENCY(frame);
|
2012-10-17 12:51:01 +03:00
|
|
|
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;
|
|
|
|
}
|
2012-12-26 00:11:36 +03:00
|
|
|
|
|
|
|
AVFrameSideData *av_frame_new_side_data(AVFrame *frame,
|
|
|
|
enum AVFrameSideDataType type,
|
|
|
|
int size)
|
|
|
|
{
|
|
|
|
AVFrameSideData *ret, **tmp;
|
|
|
|
|
|
|
|
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->data = av_malloc(size);
|
|
|
|
if (!ret->data) {
|
|
|
|
av_freep(&ret);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
ret->size = size;
|
|
|
|
ret->type = type;
|
|
|
|
|
|
|
|
frame->side_data[frame->nb_side_data++] = ret;
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2013-07-30 18:39:07 +03:00
|
|
|
AVFrameSideData *av_frame_get_side_data(const AVFrame *frame,
|
2012-12-26 00:11:36 +03:00
|
|
|
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;
|
|
|
|
}
|