diff options
| -rw-r--r-- | libavcodec/Makefile | 1 | ||||
| -rw-r--r-- | libavcodec/codec_par.c | 202 | ||||
| -rw-r--r-- | libavcodec/utils.c | 173 |
3 files changed, 203 insertions, 173 deletions
diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 81cc16471b..baf712129f 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -37,6 +37,7 @@ OBJS = ac3_parser.o \ bitstream_filters.o \ bsf.o \ codec_desc.o \ + codec_par.o \ d3d11va.o \ decode.o \ dirac.o \ diff --git a/libavcodec/codec_par.c b/libavcodec/codec_par.c new file mode 100644 index 0000000000..1a5168a04b --- /dev/null +++ b/libavcodec/codec_par.c @@ -0,0 +1,202 @@ +/* + * AVCodecParameters functions for libavcodec + * + * 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 + */ + +/** + * @file + * AVCodecParameters functions for libavcodec. + */ + +#include <string.h> +#include "libavutil/mem.h" +#include "avcodec.h" +#include "codec_par.h" + +static void codec_parameters_reset(AVCodecParameters *par) +{ + av_freep(&par->extradata); + + memset(par, 0, sizeof(*par)); + + par->codec_type = AVMEDIA_TYPE_UNKNOWN; + par->codec_id = AV_CODEC_ID_NONE; + par->format = -1; + par->field_order = AV_FIELD_UNKNOWN; + par->color_range = AVCOL_RANGE_UNSPECIFIED; + par->color_primaries = AVCOL_PRI_UNSPECIFIED; + par->color_trc = AVCOL_TRC_UNSPECIFIED; + par->color_space = AVCOL_SPC_UNSPECIFIED; + par->chroma_location = AVCHROMA_LOC_UNSPECIFIED; + par->sample_aspect_ratio = (AVRational){ 0, 1 }; + par->profile = FF_PROFILE_UNKNOWN; + par->level = FF_LEVEL_UNKNOWN; +} + +AVCodecParameters *avcodec_parameters_alloc(void) +{ + AVCodecParameters *par = av_mallocz(sizeof(*par)); + + if (!par) + return NULL; + codec_parameters_reset(par); + return par; +} + +void avcodec_parameters_free(AVCodecParameters **ppar) +{ + AVCodecParameters *par = *ppar; + + if (!par) + return; + codec_parameters_reset(par); + + av_freep(ppar); +} + +int avcodec_parameters_copy(AVCodecParameters *dst, const AVCodecParameters *src) +{ + codec_parameters_reset(dst); + memcpy(dst, src, sizeof(*dst)); + + dst->extradata = NULL; + dst->extradata_size = 0; + if (src->extradata) { + dst->extradata = av_mallocz(src->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE); + if (!dst->extradata) + return AVERROR(ENOMEM); + memcpy(dst->extradata, src->extradata, src->extradata_size); + dst->extradata_size = src->extradata_size; + } + + return 0; +} + +int avcodec_parameters_from_context(AVCodecParameters *par, + const AVCodecContext *codec) +{ + codec_parameters_reset(par); + + par->codec_type = codec->codec_type; + par->codec_id = codec->codec_id; + par->codec_tag = codec->codec_tag; + + par->bit_rate = codec->bit_rate; + par->bits_per_coded_sample = codec->bits_per_coded_sample; + par->bits_per_raw_sample = codec->bits_per_raw_sample; + par->profile = codec->profile; + par->level = codec->level; + + switch (par->codec_type) { + case AVMEDIA_TYPE_VIDEO: + par->format = codec->pix_fmt; + par->width = codec->width; + par->height = codec->height; + par->field_order = codec->field_order; + par->color_range = codec->color_range; + par->color_primaries = codec->color_primaries; + par->color_trc = codec->color_trc; + par->color_space = codec->colorspace; + par->chroma_location = codec->chroma_sample_location; + par->sample_aspect_ratio = codec->sample_aspect_ratio; + par->video_delay = codec->has_b_frames; + break; + case AVMEDIA_TYPE_AUDIO: + par->format = codec->sample_fmt; + par->channel_layout = codec->channel_layout; + par->channels = codec->channels; + par->sample_rate = codec->sample_rate; + par->block_align = codec->block_align; + par->frame_size = codec->frame_size; + par->initial_padding = codec->initial_padding; + par->trailing_padding = codec->trailing_padding; + par->seek_preroll = codec->seek_preroll; + break; + case AVMEDIA_TYPE_SUBTITLE: + par->width = codec->width; + par->height = codec->height; + break; + } + + if (codec->extradata) { + par->extradata = av_mallocz(codec->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE); + if (!par->extradata) + return AVERROR(ENOMEM); + memcpy(par->extradata, codec->extradata, codec->extradata_size); + par->extradata_size = codec->extradata_size; + } + + return 0; +} + +int avcodec_parameters_to_context(AVCodecContext *codec, + const AVCodecParameters *par) +{ + codec->codec_type = par->codec_type; + codec->codec_id = par->codec_id; + codec->codec_tag = par->codec_tag; + + codec->bit_rate = par->bit_rate; + codec->bits_per_coded_sample = par->bits_per_coded_sample; + codec->bits_per_raw_sample = par->bits_per_raw_sample; + codec->profile = par->profile; + codec->level = par->level; + + switch (par->codec_type) { + case AVMEDIA_TYPE_VIDEO: + codec->pix_fmt = par->format; + codec->width = par->width; + codec->height = par->height; + codec->field_order = par->field_order; + codec->color_range = par->color_range; + codec->color_primaries = par->color_primaries; + codec->color_trc = par->color_trc; + codec->colorspace = par->color_space; + codec->chroma_sample_location = par->chroma_location; + codec->sample_aspect_ratio = par->sample_aspect_ratio; + codec->has_b_frames = par->video_delay; + break; + case AVMEDIA_TYPE_AUDIO: + codec->sample_fmt = par->format; + codec->channel_layout = par->channel_layout; + codec->channels = par->channels; + codec->sample_rate = par->sample_rate; + codec->block_align = par->block_align; + codec->frame_size = par->frame_size; + codec->delay = + codec->initial_padding = par->initial_padding; + codec->trailing_padding = par->trailing_padding; + codec->seek_preroll = par->seek_preroll; + break; + case AVMEDIA_TYPE_SUBTITLE: + codec->width = par->width; + codec->height = par->height; + break; + } + + if (par->extradata) { + av_freep(&codec->extradata); + codec->extradata = av_mallocz(par->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE); + if (!codec->extradata) + return AVERROR(ENOMEM); + memcpy(codec->extradata, par->extradata, par->extradata_size); + codec->extradata_size = par->extradata_size; + } + + return 0; +} diff --git a/libavcodec/utils.c b/libavcodec/utils.c index 71dbcb19d8..33626a7106 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -1877,179 +1877,6 @@ AVCPBProperties *ff_add_cpb_side_data(AVCodecContext *avctx) return props; } -static void codec_parameters_reset(AVCodecParameters *par) -{ - av_freep(&par->extradata); - - memset(par, 0, sizeof(*par)); - - par->codec_type = AVMEDIA_TYPE_UNKNOWN; - par->codec_id = AV_CODEC_ID_NONE; - par->format = -1; - par->field_order = AV_FIELD_UNKNOWN; - par->color_range = AVCOL_RANGE_UNSPECIFIED; - par->color_primaries = AVCOL_PRI_UNSPECIFIED; - par->color_trc = AVCOL_TRC_UNSPECIFIED; - par->color_space = AVCOL_SPC_UNSPECIFIED; - par->chroma_location = AVCHROMA_LOC_UNSPECIFIED; - par->sample_aspect_ratio = (AVRational){ 0, 1 }; - par->profile = FF_PROFILE_UNKNOWN; - par->level = FF_LEVEL_UNKNOWN; -} - -AVCodecParameters *avcodec_parameters_alloc(void) -{ - AVCodecParameters *par = av_mallocz(sizeof(*par)); - - if (!par) - return NULL; - codec_parameters_reset(par); - return par; -} - -void avcodec_parameters_free(AVCodecParameters **ppar) -{ - AVCodecParameters *par = *ppar; - - if (!par) - return; - codec_parameters_reset(par); - - av_freep(ppar); -} - -int avcodec_parameters_copy(AVCodecParameters *dst, const AVCodecParameters *src) -{ - codec_parameters_reset(dst); - memcpy(dst, src, sizeof(*dst)); - - dst->extradata = NULL; - dst->extradata_size = 0; - if (src->extradata) { - dst->extradata = av_mallocz(src->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE); - if (!dst->extradata) - return AVERROR(ENOMEM); - memcpy(dst->extradata, src->extradata, src->extradata_size); - dst->extradata_size = src->extradata_size; - } - - return 0; -} - -int avcodec_parameters_from_context(AVCodecParameters *par, - const AVCodecContext *codec) -{ - codec_parameters_reset(par); - - par->codec_type = codec->codec_type; - par->codec_id = codec->codec_id; - par->codec_tag = codec->codec_tag; - - par->bit_rate = codec->bit_rate; - par->bits_per_coded_sample = codec->bits_per_coded_sample; - par->bits_per_raw_sample = codec->bits_per_raw_sample; - par->profile = codec->profile; - par->level = codec->level; - - switch (par->codec_type) { - case AVMEDIA_TYPE_VIDEO: - par->format = codec->pix_fmt; - par->width = codec->width; - par->height = codec->height; - par->field_order = codec->field_order; - par->color_range = codec->color_range; - par->color_primaries = codec->color_primaries; - par->color_trc = codec->color_trc; - par->color_space = codec->colorspace; - par->chroma_location = codec->chroma_sample_location; - par->sample_aspect_ratio = codec->sample_aspect_ratio; - par->video_delay = codec->has_b_frames; - break; - case AVMEDIA_TYPE_AUDIO: - par->format = codec->sample_fmt; - par->channel_layout = codec->channel_layout; - par->channels = codec->channels; - par->sample_rate = codec->sample_rate; - par->block_align = codec->block_align; - par->frame_size = codec->frame_size; - par->initial_padding = codec->initial_padding; - par->trailing_padding = codec->trailing_padding; - par->seek_preroll = codec->seek_preroll; - break; - case AVMEDIA_TYPE_SUBTITLE: - par->width = codec->width; - par->height = codec->height; - break; - } - - if (codec->extradata) { - par->extradata = av_mallocz(codec->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE); - if (!par->extradata) - return AVERROR(ENOMEM); - memcpy(par->extradata, codec->extradata, codec->extradata_size); - par->extradata_size = codec->extradata_size; - } - - return 0; -} - -int avcodec_parameters_to_context(AVCodecContext *codec, - const AVCodecParameters *par) -{ - codec->codec_type = par->codec_type; - codec->codec_id = par->codec_id; - codec->codec_tag = par->codec_tag; - - codec->bit_rate = par->bit_rate; - codec->bits_per_coded_sample = par->bits_per_coded_sample; - codec->bits_per_raw_sample = par->bits_per_raw_sample; - codec->profile = par->profile; - codec->level = par->level; - - switch (par->codec_type) { - case AVMEDIA_TYPE_VIDEO: - codec->pix_fmt = par->format; - codec->width = par->width; - codec->height = par->height; - codec->field_order = par->field_order; - codec->color_range = par->color_range; - codec->color_primaries = par->color_primaries; - codec->color_trc = par->color_trc; - codec->colorspace = par->color_space; - codec->chroma_sample_location = par->chroma_location; - codec->sample_aspect_ratio = par->sample_aspect_ratio; - codec->has_b_frames = par->video_delay; - break; - case AVMEDIA_TYPE_AUDIO: - codec->sample_fmt = par->format; - codec->channel_layout = par->channel_layout; - codec->channels = par->channels; - codec->sample_rate = par->sample_rate; - codec->block_align = par->block_align; - codec->frame_size = par->frame_size; - codec->delay = - codec->initial_padding = par->initial_padding; - codec->trailing_padding = par->trailing_padding; - codec->seek_preroll = par->seek_preroll; - break; - case AVMEDIA_TYPE_SUBTITLE: - codec->width = par->width; - codec->height = par->height; - break; - } - - if (par->extradata) { - av_freep(&codec->extradata); - codec->extradata = av_mallocz(par->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE); - if (!codec->extradata) - return AVERROR(ENOMEM); - memcpy(codec->extradata, par->extradata, par->extradata_size); - codec->extradata_size = par->extradata_size; - } - - return 0; -} - static unsigned bcd2uint(uint8_t bcd) { unsigned low = bcd & 0xf; |