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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /media/ffvpx/libavcodec/codec_par.c
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--media/ffvpx/libavcodec/codec_par.c263
1 files changed, 263 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/codec_par.c b/media/ffvpx/libavcodec/codec_par.c
new file mode 100644
index 0000000000..abda649aa8
--- /dev/null
+++ b/media/ffvpx/libavcodec/codec_par.c
@@ -0,0 +1,263 @@
+/*
+ * 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);
+ av_channel_layout_uninit(&par->ch_layout);
+
+ memset(par, 0, sizeof(*par));
+
+ par->codec_type = AVMEDIA_TYPE_UNKNOWN;
+ par->codec_id = AV_CODEC_ID_NONE;
+ par->format = -1;
+ par->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
+ 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)
+{
+ int ret;
+
+ codec_parameters_reset(dst);
+ memcpy(dst, src, sizeof(*dst));
+
+ dst->ch_layout = (AVChannelLayout){0};
+ 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;
+ }
+
+ ret = av_channel_layout_copy(&dst->ch_layout, &src->ch_layout);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+int avcodec_parameters_from_context(AVCodecParameters *par,
+ const AVCodecContext *codec)
+{
+ int ret;
+
+ 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;
+#if FF_API_OLD_CHANNEL_LAYOUT
+FF_DISABLE_DEPRECATION_WARNINGS
+ // if the old/new fields are set inconsistently, prefer the old ones
+ if ((codec->channels && codec->channels != codec->ch_layout.nb_channels) ||
+ (codec->channel_layout && (codec->ch_layout.order != AV_CHANNEL_ORDER_NATIVE ||
+ codec->ch_layout.u.mask != codec->channel_layout))) {
+ if (codec->channel_layout)
+ av_channel_layout_from_mask(&par->ch_layout, codec->channel_layout);
+ else {
+ par->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
+ par->ch_layout.nb_channels = codec->channels;
+ }
+FF_ENABLE_DEPRECATION_WARNINGS
+ } else {
+#endif
+ ret = av_channel_layout_copy(&par->ch_layout, &codec->ch_layout);
+ if (ret < 0)
+ return ret;
+#if FF_API_OLD_CHANNEL_LAYOUT
+FF_DISABLE_DEPRECATION_WARNINGS
+ }
+ par->channel_layout = par->ch_layout.order == AV_CHANNEL_ORDER_NATIVE ?
+ par->ch_layout.u.mask : 0;
+ par->channels = par->ch_layout.nb_channels;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+ 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)
+{
+ int ret;
+
+ 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;
+#if FF_API_OLD_CHANNEL_LAYOUT
+FF_DISABLE_DEPRECATION_WARNINGS
+ // if the old/new fields are set inconsistently, prefer the old ones
+ if ((par->channels && par->channels != par->ch_layout.nb_channels) ||
+ (par->channel_layout && (par->ch_layout.order != AV_CHANNEL_ORDER_NATIVE ||
+ par->ch_layout.u.mask != par->channel_layout))) {
+ if (par->channel_layout)
+ av_channel_layout_from_mask(&codec->ch_layout, par->channel_layout);
+ else {
+ codec->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
+ codec->ch_layout.nb_channels = par->channels;
+ }
+FF_ENABLE_DEPRECATION_WARNINGS
+ } else {
+#endif
+ ret = av_channel_layout_copy(&codec->ch_layout, &par->ch_layout);
+ if (ret < 0)
+ return ret;
+#if FF_API_OLD_CHANNEL_LAYOUT
+FF_DISABLE_DEPRECATION_WARNINGS
+ }
+ codec->channel_layout = codec->ch_layout.order == AV_CHANNEL_ORDER_NATIVE ?
+ codec->ch_layout.u.mask : 0;
+ codec->channels = codec->ch_layout.nb_channels;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+ 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;
+}