Lines Matching refs:frame
25 #include "frame.h"
30 MAKE_ACCESSORS(AVFrame, frame, int64_t, best_effort_timestamp)
31 MAKE_ACCESSORS(AVFrame, frame, int64_t, pkt_duration)
32 MAKE_ACCESSORS(AVFrame, frame, int64_t, pkt_pos)
33 MAKE_ACCESSORS(AVFrame, frame, int64_t, channel_layout)
34 MAKE_ACCESSORS(AVFrame, frame, int, channels)
35 MAKE_ACCESSORS(AVFrame, frame, int, sample_rate)
36 MAKE_ACCESSORS(AVFrame, frame, AVDictionary *, metadata)
37 MAKE_ACCESSORS(AVFrame, frame, int, decode_error_flags)
38 MAKE_ACCESSORS(AVFrame, frame, int, pkt_size)
39 MAKE_ACCESSORS(AVFrame, frame, enum AVColorSpace, colorspace)
40 MAKE_ACCESSORS(AVFrame, frame, enum AVColorRange, color_range)
42 #define CHECK_CHANNELS_CONSISTENCY(frame) \
43 av_assert2(!(frame)->channel_layout || \
44 (frame)->channels == \
45 av_get_channel_layout_nb_channels((frame)->channel_layout))
47 AVDictionary **avpriv_frame_get_metadatap(AVFrame *frame) {return &frame->metadata;};
89 static void get_frame_defaults(AVFrame *frame)
91 if (frame->extended_data != frame->data)
92 av_freep(&frame->extended_data);
94 memset(frame, 0, sizeof(*frame));
96 frame->pts =
97 frame->pkt_dts =
98 frame->pkt_pts = AV_NOPTS_VALUE;
99 av_frame_set_best_effort_timestamp(frame, AV_NOPTS_VALUE);
100 av_frame_set_pkt_duration (frame, 0);
101 av_frame_set_pkt_pos (frame, -1);
102 av_frame_set_pkt_size (frame, -1);
103 frame->key_frame = 1;
104 frame->sample_aspect_ratio = (AVRational){ 0, 1 };
105 frame->format = -1; /* unknown */
106 frame->extended_data = frame->data;
108 frame->color_primaries = AVCOL_PRI_UNSPECIFIED;
109 frame->color_trc = AVCOL_TRC_UNSPECIFIED;
110 frame->colorspace = AVCOL_SPC_UNSPECIFIED;
111 frame->color_range = AVCOL_RANGE_UNSPECIFIED;
112 frame->chroma_location = AVCHROMA_LOC_UNSPECIFIED;
127 AVFrame *frame = av_mallocz(sizeof(*frame));
129 if (!frame)
132 frame->extended_data = NULL;
133 get_frame_defaults(frame);
135 return frame;
138 void av_frame_free(AVFrame **frame)
140 if (!frame || !*frame)
143 av_frame_unref(*frame);
144 av_freep(frame);
147 static int get_video_buffer(AVFrame *frame, int align)
149 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
155 if ((ret = av_image_check_size(frame->width, frame->height, 0, NULL)) < 0)
158 if (!frame->linesize[0]) {
160 ret = av_image_fill_linesizes(frame->linesize, frame->format,
161 FFALIGN(frame->width, i));
164 if (!(frame->linesize[0] & (align-1)))
168 for (i = 0; i < 4 && frame->linesize[i]; i++)
169 frame->linesize[i] = FFALIGN(frame->linesize[i], align);
172 for (i = 0; i < 4 && frame->linesize[i]; i++) {
173 int h = FFALIGN(frame->height, 32);
177 frame->buf[i] = av_buffer_alloc(frame->linesize[i] * h + 16 + 16/*STRIDE_ALIGN*/ - 1);
178 if (!frame->buf[i])
181 frame->data[i] = frame->buf[i]->data;
184 av_buffer_unref(&frame->buf[1]);
185 frame->buf[1] = av_buffer_alloc(1024);
186 if (!frame->buf[1])
188 frame->data[1] = frame->buf[1]->data;
191 frame->extended_data = frame->data;
195 av_frame_unref(frame);
199 static int get_audio_buffer(AVFrame *frame, int align)
202 int planar = av_sample_fmt_is_planar(frame->format);
206 if (!frame->channels)
207 frame->channels = av_get_channel_layout_nb_channels(frame->channel_layout);
209 channels = frame->channels;
212 CHECK_CHANNELS_CONSISTENCY(frame);
213 if (!frame->linesize[0]) {
214 ret = av_samples_get_buffer_size(&frame->linesize[0], channels,
215 frame->nb_samples, frame->format,
222 frame->extended_data = av_mallocz_array(planes,
223 sizeof(*frame->extended_data));
224 frame->extended_buf = av_mallocz_array((planes - AV_NUM_DATA_POINTERS),
225 sizeof(*frame->extended_buf));
226 if (!frame->extended_data || !frame->extended_buf) {
227 av_freep(&frame->extended_data);
228 av_freep(&frame->extended_buf);
231 frame->nb_extended_buf = planes - AV_NUM_DATA_POINTERS;
233 frame->extended_data = frame->data;
236 frame->buf[i] = av_buffer_alloc(frame->linesize[0]);
237 if (!frame->buf[i]) {
238 av_frame_unref(frame);
241 frame->extended_data[i] = frame->data[i] = frame->buf[i]->data;
244 frame->extended_buf[i] = av_buffer_alloc(frame->linesize[0]);
245 if (!frame->extended_buf[i]) {
246 av_frame_unref(frame);
249 frame->extended_data[i + AV_NUM_DATA_POINTERS] = frame->extended_buf[i]->data;
255 int av_frame_get_buffer(AVFrame *frame, int align)
257 if (frame->format < 0)
260 if (frame->width > 0 && frame->height > 0)
261 return get_video_buffer(frame, align);
262 else if (frame->nb_samples > 0 && (frame->channel_layout || frame->channels > 0))
263 return get_audio_buffer(frame, align);
283 /* duplicate the frame data if it's not refcounted */
367 void av_frame_unref(AVFrame *frame)
371 for (i = 0; i < frame->nb_side_data; i++) {
372 free_side_data(&frame->side_data[i]);
374 av_freep(&frame->side_data);
376 for (i = 0; i < FF_ARRAY_ELEMS(frame->buf); i++)
377 av_buffer_unref(&frame->buf[i]);
378 for (i = 0; i < frame->nb_extended_buf; i++)
379 av_buffer_unref(&frame->extended_buf[i]);
380 av_freep(&frame->extended_buf);
381 av_dict_free(&frame->metadata);
382 av_buffer_unref(&frame->qp_table_buf);
384 get_frame_defaults(frame);
396 int av_frame_is_writable(AVFrame *frame)
401 if (!frame->buf[0])
404 for (i = 0; i < FF_ARRAY_ELEMS(frame->buf); i++)
405 if (frame->buf[i])
406 ret &= !!av_buffer_is_writable(frame->buf[i]);
407 for (i = 0; i < frame->nb_extended_buf; i++)
408 ret &= !!av_buffer_is_writable(frame->extended_buf[i]);
413 int av_frame_make_writable(AVFrame *frame)
418 if (!frame->buf[0])
421 if (av_frame_is_writable(frame))
425 tmp.format = frame->format;
426 tmp.width = frame->width;
427 tmp.height = frame->height;
428 tmp.channels = frame->channels;
429 tmp.channel_layout = frame->channel_layout;
430 tmp.nb_samples = frame->nb_samples;
435 ret = av_frame_copy(&tmp, frame);
441 ret = av_frame_copy_props(&tmp, frame);
447 av_frame_unref(frame);
449 *frame = tmp;
451 frame->extended_data = frame->data;
527 AVBufferRef *av_frame_get_plane_buffer(AVFrame *frame, int plane)
532 if (frame->nb_samples) {
533 int channels = frame->channels;
536 CHECK_CHANNELS_CONSISTENCY(frame);
537 planes = av_sample_fmt_is_planar(frame->format) ? channels : 1;
541 if (plane < 0 || plane >= planes || !frame->extended_data[plane])
543 data = frame->extended_data[plane];
545 for (i = 0; i < FF_ARRAY_ELEMS(frame->buf) && frame->buf[i]; i++) {
546 AVBufferRef *buf = frame->buf[i];
550 for (i = 0; i < frame->nb_extended_buf; i++) {
551 AVBufferRef *buf = frame->extended_buf[i];
558 AVFrameSideData *av_frame_new_side_data(AVFrame *frame,
564 if (frame->nb_side_data > INT_MAX / sizeof(*frame->side_data) - 1)
567 tmp = av_realloc(frame->side_data,
568 (frame->nb_side_data + 1) * sizeof(*frame->side_data));
571 frame->side_data = tmp;
586 frame->side_data[frame->nb_side_data++] = ret;
591 AVFrameSideData *av_frame_get_side_data(const AVFrame *frame,
596 for (i = 0; i < frame->nb_side_data; i++) {
597 if (frame->side_data[i]->type == type)
598 return frame->side_data[i];
662 void av_frame_remove_side_data(AVFrame *frame, enum AVFrameSideDataType type)
666 for (i = 0; i < frame->nb_side_data; i++) {
667 AVFrameSideData *sd = frame->side_data[i];
669 free_side_data(&frame->side_data[i]);
670 frame->side_data[i] = frame->side_data[frame->nb_side_data - 1];
671 frame->nb_side_data--;