diff options
Diffstat (limited to 'libavutil/frame.c')
| -rw-r--r-- | libavutil/frame.c | 190 |
1 files changed, 161 insertions, 29 deletions
diff --git a/libavutil/frame.c b/libavutil/frame.c index 48df311dd2..4ee06306ce 100644 --- a/libavutil/frame.c +++ b/libavutil/frame.c @@ -1,23 +1,24 @@ /* * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * 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" @@ -26,6 +27,65 @@ #include "mem.h" #include "samplefmt.h" +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) + +#define CHECK_CHANNELS_CONSISTENCY(frame) \ + av_assert2(!(frame)->channel_layout || \ + (frame)->channels == \ + av_get_channel_layout_nb_channels((frame)->channel_layout)) + +AVDictionary **avpriv_frame_get_metadatap(AVFrame *frame) {return &frame->metadata;}; + +int av_frame_set_qp_table(AVFrame *f, AVBufferRef *buf, int stride, int qp_type) +{ + 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; + + return 0; +} + +int8_t *av_frame_get_qp_table(AVFrame *f, int *stride, int *type) +{ + *stride = f->qstride; + *type = f->qscale_type; + + if (!f->qp_table_buf) + return NULL; + + return f->qp_table_buf->data; +} + +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) @@ -33,7 +93,13 @@ static void get_frame_defaults(AVFrame *frame) memset(frame, 0, sizeof(*frame)); - frame->pts = AV_NOPTS_VALUE; + frame->pts = + frame->pkt_dts = + frame->pkt_pts = AV_NOPTS_VALUE; + av_frame_set_best_effort_timestamp(frame, AV_NOPTS_VALUE); + av_frame_set_pkt_duration (frame, 0); + av_frame_set_pkt_pos (frame, -1); + av_frame_set_pkt_size (frame, -1); frame->key_frame = 1; frame->sample_aspect_ratio = (AVRational){ 0, 1 }; frame->format = -1; /* unknown */ @@ -61,6 +127,7 @@ AVFrame *av_frame_alloc(void) if (!frame) return NULL; + frame->extended_data = NULL; get_frame_defaults(frame); return frame; @@ -87,21 +154,25 @@ static int get_video_buffer(AVFrame *frame, int align) return ret; if (!frame->linesize[0]) { - ret = av_image_fill_linesizes(frame->linesize, frame->format, - frame->width); - if (ret < 0) - return ret; + 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); } for (i = 0; i < 4 && frame->linesize[i]; i++) { - int h = frame->height; + int h = FFALIGN(frame->height, 32); if (i == 1 || i == 2) - h = -((-h) >> desc->log2_chroma_h); + h = FF_CEIL_RSHIFT(h, desc->log2_chroma_h); - frame->buf[i] = av_buffer_alloc(frame->linesize[i] * h); + frame->buf[i] = av_buffer_alloc(frame->linesize[i] * h + 16 + 16/*STRIDE_ALIGN*/ - 1); if (!frame->buf[i]) goto fail; @@ -125,11 +196,18 @@ fail: static int get_audio_buffer(AVFrame *frame, int align) { - int channels = av_get_channel_layout_nb_channels(frame->channel_layout); + int channels; int planar = av_sample_fmt_is_planar(frame->format); - int planes = planar ? channels : 1; + 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, @@ -139,9 +217,9 @@ static int get_audio_buffer(AVFrame *frame, int align) } if (planes > AV_NUM_DATA_POINTERS) { - frame->extended_data = av_mallocz(planes * + frame->extended_data = av_mallocz_array(planes, sizeof(*frame->extended_data)); - frame->extended_buf = av_mallocz((planes - AV_NUM_DATA_POINTERS) * + 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); @@ -179,7 +257,7 @@ int av_frame_get_buffer(AVFrame *frame, int align) if (frame->width > 0 && frame->height > 0) return get_video_buffer(frame, align); - else if (frame->nb_samples > 0 && frame->channel_layout) + else if (frame->nb_samples > 0 && (frame->channel_layout || frame->channels > 0)) return get_audio_buffer(frame, align); return AVERROR(EINVAL); @@ -192,6 +270,7 @@ int av_frame_ref(AVFrame *dst, const AVFrame *src) 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; @@ -213,7 +292,9 @@ int av_frame_ref(AVFrame *dst, const AVFrame *src) } /* ref the buffers */ - for (i = 0; i < FF_ARRAY_ELEMS(src->buf) && src->buf[i]; i++) { + 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); @@ -222,7 +303,7 @@ int av_frame_ref(AVFrame *dst, const AVFrame *src) } if (src->extended_buf) { - dst->extended_buf = av_mallocz(sizeof(*dst->extended_buf) * + dst->extended_buf = av_mallocz_array(sizeof(*dst->extended_buf), src->nb_extended_buf); if (!dst->extended_buf) { ret = AVERROR(ENOMEM); @@ -241,14 +322,15 @@ int av_frame_ref(AVFrame *dst, const AVFrame *src) /* duplicate extended data */ if (src->extended_data != src->data) { - int ch = av_get_channel_layout_nb_channels(src->channel_layout); + int ch = src->channels; if (!ch) { ret = AVERROR(EINVAL); goto fail; } + CHECK_CHANNELS_CONSISTENCY(src); - dst->extended_data = av_malloc(sizeof(*dst->extended_data) * ch); + dst->extended_data = av_malloc_array(sizeof(*dst->extended_data), ch); if (!dst->extended_data) { ret = AVERROR(ENOMEM); goto fail; @@ -294,6 +376,9 @@ void av_frame_unref(AVFrame *frame) 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); + av_buffer_unref(&frame->qp_table_buf); + get_frame_defaults(frame); } @@ -314,8 +399,9 @@ int av_frame_is_writable(AVFrame *frame) if (!frame->buf[0]) return 0; - for (i = 0; i < FF_ARRAY_ELEMS(frame->buf) && frame->buf[i]; i++) - ret &= !!av_buffer_is_writable(frame->buf[i]); + 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]); @@ -337,6 +423,7 @@ int av_frame_make_writable(AVFrame *frame) 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); @@ -378,24 +465,38 @@ int av_frame_copy_props(AVFrame *dst, const AVFrame *src) dst->palette_has_changed = src->palette_has_changed; dst->sample_rate = src->sample_rate; dst->opaque = src->opaque; +#if FF_API_AVFRAME_LAVC + dst->type = src->type; +#endif dst->pkt_pts = src->pkt_pts; 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); + memcpy(dst->error, src->error, sizeof(dst->error)); 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, + AVFrameSideData *sd_dst; + if ( sd_src->type == AV_FRAME_DATA_PANSCAN + && (src->width != dst->width || src->height != dst->height)) + continue; + 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++) { @@ -408,6 +509,18 @@ int av_frame_copy_props(AVFrame *dst, const AVFrame *src) av_dict_copy(&sd_dst->metadata, sd_src->metadata, 0); } + 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; + } + } + return 0; } @@ -417,9 +530,10 @@ AVBufferRef *av_frame_get_plane_buffer(AVFrame *frame, int plane) int planes, i; if (frame->nb_samples) { - int channels = av_get_channel_layout_nb_channels(frame->channel_layout); + 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; @@ -491,8 +605,8 @@ 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) + if (dst->width < src->width || + dst->height < src->height) return AVERROR(EINVAL); planes = av_pix_fmt_count_planes(dst->format); @@ -503,7 +617,7 @@ static int frame_copy_video(AVFrame *dst, const AVFrame *src) memcpy(src_data, src->data, sizeof(src_data)); av_image_copy(dst->data, dst->linesize, src_data, src->linesize, - dst->format, dst->width, dst->height); + dst->format, src->width, src->height); return 0; } @@ -511,14 +625,17 @@ static int frame_copy_video(AVFrame *dst, const AVFrame *src) static int frame_copy_audio(AVFrame *dst, const AVFrame *src) { int planar = av_sample_fmt_is_planar(dst->format); - int channels = av_get_channel_layout_nb_channels(dst->channel_layout); + 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); @@ -555,3 +672,18 @@ void av_frame_remove_side_data(AVFrame *frame, enum AVFrameSideDataType type) } } } + +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"; + case AV_FRAME_DATA_MOTION_VECTORS: return "Motion vectors"; + } + return NULL; +} |