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-rw-r--r--media/ffvpx/libavcodec/utils.c1170
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diff --git a/media/ffvpx/libavcodec/utils.c b/media/ffvpx/libavcodec/utils.c
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+++ b/media/ffvpx/libavcodec/utils.c
@@ -0,0 +1,1170 @@
+/*
+ * utils for libavcodec
+ * Copyright (c) 2001 Fabrice Bellard
+ * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * 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
+ * utils.
+ */
+
+#include "config.h"
+#include "libavutil/avassert.h"
+#include "libavutil/channel_layout.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/mem.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/pixfmt.h"
+#include "avcodec.h"
+#include "codec.h"
+#include "codec_internal.h"
+#include "decode.h"
+#include "hwconfig.h"
+#include "thread.h"
+#include "threadframe.h"
+#include "internal.h"
+#include "put_bits.h"
+#include "startcode.h"
+#include <stdlib.h>
+#include <limits.h>
+
+void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
+{
+ uint8_t **p = ptr;
+ if (min_size > SIZE_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
+ av_freep(p);
+ *size = 0;
+ return;
+ }
+ av_fast_mallocz(p, size, min_size + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (*p)
+ memset(*p + min_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
+}
+
+void av_fast_padded_mallocz(void *ptr, unsigned int *size, size_t min_size)
+{
+ uint8_t **p = ptr;
+ if (min_size > SIZE_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
+ av_freep(p);
+ *size = 0;
+ return;
+ }
+ av_fast_malloc(p, size, min_size + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (*p)
+ memset(*p, 0, min_size + AV_INPUT_BUFFER_PADDING_SIZE);
+}
+
+int av_codec_is_encoder(const AVCodec *avcodec)
+{
+ const FFCodec *const codec = ffcodec(avcodec);
+ return codec && (codec->cb_type == FF_CODEC_CB_TYPE_ENCODE ||
+ codec->cb_type == FF_CODEC_CB_TYPE_ENCODE_SUB ||
+ codec->cb_type == FF_CODEC_CB_TYPE_RECEIVE_PACKET);
+}
+
+int av_codec_is_decoder(const AVCodec *avcodec)
+{
+ const FFCodec *const codec = ffcodec(avcodec);
+ return codec && (codec->cb_type == FF_CODEC_CB_TYPE_DECODE ||
+ codec->cb_type == FF_CODEC_CB_TYPE_DECODE_SUB ||
+ codec->cb_type == FF_CODEC_CB_TYPE_RECEIVE_FRAME);
+}
+
+int ff_set_dimensions(AVCodecContext *s, int width, int height)
+{
+ int ret = av_image_check_size2(width, height, s->max_pixels, AV_PIX_FMT_NONE, 0, s);
+
+ if (ret < 0)
+ width = height = 0;
+
+ s->coded_width = width;
+ s->coded_height = height;
+ s->width = AV_CEIL_RSHIFT(width, s->lowres);
+ s->height = AV_CEIL_RSHIFT(height, s->lowres);
+
+ return ret;
+}
+
+int ff_set_sar(AVCodecContext *avctx, AVRational sar)
+{
+ int ret = av_image_check_sar(avctx->width, avctx->height, sar);
+
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %d/%d\n",
+ sar.num, sar.den);
+ avctx->sample_aspect_ratio = (AVRational){ 0, 1 };
+ return ret;
+ } else {
+ avctx->sample_aspect_ratio = sar;
+ }
+ return 0;
+}
+
+int ff_side_data_update_matrix_encoding(AVFrame *frame,
+ enum AVMatrixEncoding matrix_encoding)
+{
+ AVFrameSideData *side_data;
+ enum AVMatrixEncoding *data;
+
+ side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_MATRIXENCODING);
+ if (!side_data)
+ side_data = av_frame_new_side_data(frame, AV_FRAME_DATA_MATRIXENCODING,
+ sizeof(enum AVMatrixEncoding));
+
+ if (!side_data)
+ return AVERROR(ENOMEM);
+
+ data = (enum AVMatrixEncoding*)side_data->data;
+ *data = matrix_encoding;
+
+ return 0;
+}
+
+void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
+ int linesize_align[AV_NUM_DATA_POINTERS])
+{
+ int i;
+ int w_align = 1;
+ int h_align = 1;
+ AVPixFmtDescriptor const *desc = av_pix_fmt_desc_get(s->pix_fmt);
+
+ if (desc) {
+ w_align = 1 << desc->log2_chroma_w;
+ h_align = 1 << desc->log2_chroma_h;
+ }
+
+ switch (s->pix_fmt) {
+ case AV_PIX_FMT_YUV420P:
+ case AV_PIX_FMT_YUYV422:
+ case AV_PIX_FMT_YVYU422:
+ case AV_PIX_FMT_UYVY422:
+ case AV_PIX_FMT_YUV422P:
+ case AV_PIX_FMT_YUV440P:
+ case AV_PIX_FMT_YUV444P:
+ case AV_PIX_FMT_GBRP:
+ case AV_PIX_FMT_GBRAP:
+ case AV_PIX_FMT_GRAY8:
+ case AV_PIX_FMT_GRAY16BE:
+ case AV_PIX_FMT_GRAY16LE:
+ case AV_PIX_FMT_YUVJ420P:
+ case AV_PIX_FMT_YUVJ422P:
+ case AV_PIX_FMT_YUVJ440P:
+ case AV_PIX_FMT_YUVJ444P:
+ case AV_PIX_FMT_YUVA420P:
+ case AV_PIX_FMT_YUVA422P:
+ case AV_PIX_FMT_YUVA444P:
+ case AV_PIX_FMT_YUV420P9LE:
+ case AV_PIX_FMT_YUV420P9BE:
+ case AV_PIX_FMT_YUV420P10LE:
+ case AV_PIX_FMT_YUV420P10BE:
+ case AV_PIX_FMT_YUV420P12LE:
+ case AV_PIX_FMT_YUV420P12BE:
+ case AV_PIX_FMT_YUV420P14LE:
+ case AV_PIX_FMT_YUV420P14BE:
+ case AV_PIX_FMT_YUV420P16LE:
+ case AV_PIX_FMT_YUV420P16BE:
+ case AV_PIX_FMT_YUVA420P9LE:
+ case AV_PIX_FMT_YUVA420P9BE:
+ case AV_PIX_FMT_YUVA420P10LE:
+ case AV_PIX_FMT_YUVA420P10BE:
+ case AV_PIX_FMT_YUVA420P16LE:
+ case AV_PIX_FMT_YUVA420P16BE:
+ case AV_PIX_FMT_YUV422P9LE:
+ case AV_PIX_FMT_YUV422P9BE:
+ case AV_PIX_FMT_YUV422P10LE:
+ case AV_PIX_FMT_YUV422P10BE:
+ case AV_PIX_FMT_YUV422P12LE:
+ case AV_PIX_FMT_YUV422P12BE:
+ case AV_PIX_FMT_YUV422P14LE:
+ case AV_PIX_FMT_YUV422P14BE:
+ case AV_PIX_FMT_YUV422P16LE:
+ case AV_PIX_FMT_YUV422P16BE:
+ case AV_PIX_FMT_YUVA422P9LE:
+ case AV_PIX_FMT_YUVA422P9BE:
+ case AV_PIX_FMT_YUVA422P10LE:
+ case AV_PIX_FMT_YUVA422P10BE:
+ case AV_PIX_FMT_YUVA422P12LE:
+ case AV_PIX_FMT_YUVA422P12BE:
+ case AV_PIX_FMT_YUVA422P16LE:
+ case AV_PIX_FMT_YUVA422P16BE:
+ case AV_PIX_FMT_YUV440P10LE:
+ case AV_PIX_FMT_YUV440P10BE:
+ case AV_PIX_FMT_YUV440P12LE:
+ case AV_PIX_FMT_YUV440P12BE:
+ case AV_PIX_FMT_YUV444P9LE:
+ case AV_PIX_FMT_YUV444P9BE:
+ case AV_PIX_FMT_YUV444P10LE:
+ case AV_PIX_FMT_YUV444P10BE:
+ case AV_PIX_FMT_YUV444P12LE:
+ case AV_PIX_FMT_YUV444P12BE:
+ case AV_PIX_FMT_YUV444P14LE:
+ case AV_PIX_FMT_YUV444P14BE:
+ case AV_PIX_FMT_YUV444P16LE:
+ case AV_PIX_FMT_YUV444P16BE:
+ case AV_PIX_FMT_YUVA444P9LE:
+ case AV_PIX_FMT_YUVA444P9BE:
+ case AV_PIX_FMT_YUVA444P10LE:
+ case AV_PIX_FMT_YUVA444P10BE:
+ case AV_PIX_FMT_YUVA444P12LE:
+ case AV_PIX_FMT_YUVA444P12BE:
+ case AV_PIX_FMT_YUVA444P16LE:
+ case AV_PIX_FMT_YUVA444P16BE:
+ case AV_PIX_FMT_GBRP9LE:
+ case AV_PIX_FMT_GBRP9BE:
+ case AV_PIX_FMT_GBRP10LE:
+ case AV_PIX_FMT_GBRP10BE:
+ case AV_PIX_FMT_GBRP12LE:
+ case AV_PIX_FMT_GBRP12BE:
+ case AV_PIX_FMT_GBRP14LE:
+ case AV_PIX_FMT_GBRP14BE:
+ case AV_PIX_FMT_GBRP16LE:
+ case AV_PIX_FMT_GBRP16BE:
+ case AV_PIX_FMT_GBRAP12LE:
+ case AV_PIX_FMT_GBRAP12BE:
+ case AV_PIX_FMT_GBRAP16LE:
+ case AV_PIX_FMT_GBRAP16BE:
+ w_align = 16; //FIXME assume 16 pixel per macroblock
+ h_align = 16 * 2; // interlaced needs 2 macroblocks height
+ if (s->codec_id == AV_CODEC_ID_BINKVIDEO)
+ w_align = 16*2;
+ break;
+ case AV_PIX_FMT_YUV411P:
+ case AV_PIX_FMT_YUVJ411P:
+ case AV_PIX_FMT_UYYVYY411:
+ w_align = 32;
+ h_align = 16 * 2;
+ break;
+ case AV_PIX_FMT_YUV410P:
+ if (s->codec_id == AV_CODEC_ID_SVQ1) {
+ w_align = 64;
+ h_align = 64;
+ }
+ break;
+ case AV_PIX_FMT_RGB555:
+ if (s->codec_id == AV_CODEC_ID_RPZA) {
+ w_align = 4;
+ h_align = 4;
+ }
+ if (s->codec_id == AV_CODEC_ID_INTERPLAY_VIDEO) {
+ w_align = 8;
+ h_align = 8;
+ }
+ break;
+ case AV_PIX_FMT_PAL8:
+ case AV_PIX_FMT_BGR8:
+ case AV_PIX_FMT_RGB8:
+ if (s->codec_id == AV_CODEC_ID_SMC ||
+ s->codec_id == AV_CODEC_ID_CINEPAK) {
+ w_align = 4;
+ h_align = 4;
+ }
+ if (s->codec_id == AV_CODEC_ID_JV ||
+ s->codec_id == AV_CODEC_ID_ARGO ||
+ s->codec_id == AV_CODEC_ID_INTERPLAY_VIDEO) {
+ w_align = 8;
+ h_align = 8;
+ }
+ if (s->codec_id == AV_CODEC_ID_MJPEG ||
+ s->codec_id == AV_CODEC_ID_MJPEGB ||
+ s->codec_id == AV_CODEC_ID_LJPEG ||
+ s->codec_id == AV_CODEC_ID_SMVJPEG ||
+ s->codec_id == AV_CODEC_ID_AMV ||
+ s->codec_id == AV_CODEC_ID_SP5X ||
+ s->codec_id == AV_CODEC_ID_JPEGLS) {
+ w_align = 8;
+ h_align = 2*8;
+ }
+ break;
+ case AV_PIX_FMT_BGR24:
+ if ((s->codec_id == AV_CODEC_ID_MSZH) ||
+ (s->codec_id == AV_CODEC_ID_ZLIB)) {
+ w_align = 4;
+ h_align = 4;
+ }
+ break;
+ case AV_PIX_FMT_RGB24:
+ if (s->codec_id == AV_CODEC_ID_CINEPAK) {
+ w_align = 4;
+ h_align = 4;
+ }
+ break;
+ case AV_PIX_FMT_BGR0:
+ if (s->codec_id == AV_CODEC_ID_ARGO) {
+ w_align = 8;
+ h_align = 8;
+ }
+ break;
+ default:
+ break;
+ }
+
+ if (s->codec_id == AV_CODEC_ID_IFF_ILBM) {
+ w_align = FFMAX(w_align, 8);
+ }
+
+ *width = FFALIGN(*width, w_align);
+ *height = FFALIGN(*height, h_align);
+ if (s->codec_id == AV_CODEC_ID_H264 || s->lowres ||
+ s->codec_id == AV_CODEC_ID_VC1 || s->codec_id == AV_CODEC_ID_WMV3 ||
+ s->codec_id == AV_CODEC_ID_VP5 || s->codec_id == AV_CODEC_ID_VP6 ||
+ s->codec_id == AV_CODEC_ID_VP6F || s->codec_id == AV_CODEC_ID_VP6A
+ ) {
+ // some of the optimized chroma MC reads one line too much
+ // which is also done in mpeg decoders with lowres > 0
+ *height += 2;
+
+ // H.264 uses edge emulation for out of frame motion vectors, for this
+ // it requires a temporary area large enough to hold a 21x21 block,
+ // increasing witdth ensure that the temporary area is large enough,
+ // the next rounded up width is 32
+ *width = FFMAX(*width, 32);
+ }
+ if (s->codec_id == AV_CODEC_ID_SVQ3) {
+ *width = FFMAX(*width, 32);
+ }
+
+ for (i = 0; i < 4; i++)
+ linesize_align[i] = STRIDE_ALIGN;
+}
+
+void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height)
+{
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->pix_fmt);
+ int chroma_shift = desc->log2_chroma_w;
+ int linesize_align[AV_NUM_DATA_POINTERS];
+ int align;
+
+ avcodec_align_dimensions2(s, width, height, linesize_align);
+ align = FFMAX(linesize_align[0], linesize_align[3]);
+ linesize_align[1] <<= chroma_shift;
+ linesize_align[2] <<= chroma_shift;
+ align = FFMAX3(align, linesize_align[1], linesize_align[2]);
+ *width = FFALIGN(*width, align);
+}
+#if FF_API_AVCODEC_CHROMA_POS
+int avcodec_enum_to_chroma_pos(int *xpos, int *ypos, enum AVChromaLocation pos)
+{
+ return av_chroma_location_enum_to_pos(xpos, ypos, pos);
+}
+
+enum AVChromaLocation avcodec_chroma_pos_to_enum(int xpos, int ypos)
+{
+ return av_chroma_location_pos_to_enum(xpos, ypos);
+}
+#endif
+
+int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels,
+ enum AVSampleFormat sample_fmt, const uint8_t *buf,
+ int buf_size, int align)
+{
+ int ch, planar, needed_size, ret = 0;
+
+ needed_size = av_samples_get_buffer_size(NULL, nb_channels,
+ frame->nb_samples, sample_fmt,
+ align);
+ if (buf_size < needed_size)
+ return AVERROR(EINVAL);
+
+ planar = av_sample_fmt_is_planar(sample_fmt);
+ if (planar && nb_channels > AV_NUM_DATA_POINTERS) {
+ if (!FF_ALLOCZ_TYPED_ARRAY(frame->extended_data, nb_channels))
+ return AVERROR(ENOMEM);
+ } else {
+ frame->extended_data = frame->data;
+ }
+
+ if ((ret = av_samples_fill_arrays(frame->extended_data, &frame->linesize[0],
+ (uint8_t *)(intptr_t)buf, nb_channels, frame->nb_samples,
+ sample_fmt, align)) < 0) {
+ if (frame->extended_data != frame->data)
+ av_freep(&frame->extended_data);
+ return ret;
+ }
+ if (frame->extended_data != frame->data) {
+ for (ch = 0; ch < AV_NUM_DATA_POINTERS; ch++)
+ frame->data[ch] = frame->extended_data[ch];
+ }
+
+ return ret;
+}
+
+void ff_color_frame(AVFrame *frame, const int c[4])
+{
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
+ int p, y;
+
+ av_assert0(desc->flags & AV_PIX_FMT_FLAG_PLANAR);
+
+ for (p = 0; p<desc->nb_components; p++) {
+ uint8_t *dst = frame->data[p];
+ int is_chroma = p == 1 || p == 2;
+ int bytes = is_chroma ? AV_CEIL_RSHIFT(frame->width, desc->log2_chroma_w) : frame->width;
+ int height = is_chroma ? AV_CEIL_RSHIFT(frame->height, desc->log2_chroma_h) : frame->height;
+ if (desc->comp[0].depth >= 9) {
+ ((uint16_t*)dst)[0] = c[p];
+ av_memcpy_backptr(dst + 2, 2, bytes - 2);
+ dst += frame->linesize[p];
+ for (y = 1; y < height; y++) {
+ memcpy(dst, frame->data[p], 2*bytes);
+ dst += frame->linesize[p];
+ }
+ } else {
+ for (y = 0; y < height; y++) {
+ memset(dst, c[p], bytes);
+ dst += frame->linesize[p];
+ }
+ }
+ }
+}
+
+int avpriv_codec_get_cap_skip_frame_fill_param(const AVCodec *codec){
+ return !!(ffcodec(codec)->caps_internal & FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM);
+}
+
+const char *avcodec_get_name(enum AVCodecID id)
+{
+ const AVCodecDescriptor *cd;
+ const AVCodec *codec;
+
+ if (id == AV_CODEC_ID_NONE)
+ return "none";
+ cd = avcodec_descriptor_get(id);
+ if (cd)
+ return cd->name;
+ av_log(NULL, AV_LOG_WARNING, "Codec 0x%x is not in the full list.\n", id);
+ codec = avcodec_find_decoder(id);
+ if (codec)
+ return codec->name;
+ codec = avcodec_find_encoder(id);
+ if (codec)
+ return codec->name;
+ return "unknown_codec";
+}
+
+const char *av_get_profile_name(const AVCodec *codec, int profile)
+{
+ const AVProfile *p;
+ if (profile == FF_PROFILE_UNKNOWN || !codec->profiles)
+ return NULL;
+
+ for (p = codec->profiles; p->profile != FF_PROFILE_UNKNOWN; p++)
+ if (p->profile == profile)
+ return p->name;
+
+ return NULL;
+}
+
+const char *avcodec_profile_name(enum AVCodecID codec_id, int profile)
+{
+ const AVCodecDescriptor *desc = avcodec_descriptor_get(codec_id);
+ const AVProfile *p;
+
+ if (profile == FF_PROFILE_UNKNOWN || !desc || !desc->profiles)
+ return NULL;
+
+ for (p = desc->profiles; p->profile != FF_PROFILE_UNKNOWN; p++)
+ if (p->profile == profile)
+ return p->name;
+
+ return NULL;
+}
+
+int av_get_exact_bits_per_sample(enum AVCodecID codec_id)
+{
+ switch (codec_id) {
+ case AV_CODEC_ID_DFPWM:
+ return 1;
+ case AV_CODEC_ID_8SVX_EXP:
+ case AV_CODEC_ID_8SVX_FIB:
+ case AV_CODEC_ID_ADPCM_ARGO:
+ case AV_CODEC_ID_ADPCM_CT:
+ case AV_CODEC_ID_ADPCM_IMA_ALP:
+ case AV_CODEC_ID_ADPCM_IMA_AMV:
+ case AV_CODEC_ID_ADPCM_IMA_APC:
+ case AV_CODEC_ID_ADPCM_IMA_APM:
+ case AV_CODEC_ID_ADPCM_IMA_EA_SEAD:
+ case AV_CODEC_ID_ADPCM_IMA_OKI:
+ case AV_CODEC_ID_ADPCM_IMA_WS:
+ case AV_CODEC_ID_ADPCM_IMA_SSI:
+ case AV_CODEC_ID_ADPCM_G722:
+ case AV_CODEC_ID_ADPCM_YAMAHA:
+ case AV_CODEC_ID_ADPCM_AICA:
+ return 4;
+ case AV_CODEC_ID_DSD_LSBF:
+ case AV_CODEC_ID_DSD_MSBF:
+ case AV_CODEC_ID_DSD_LSBF_PLANAR:
+ case AV_CODEC_ID_DSD_MSBF_PLANAR:
+ case AV_CODEC_ID_PCM_ALAW:
+ case AV_CODEC_ID_PCM_MULAW:
+ case AV_CODEC_ID_PCM_VIDC:
+ case AV_CODEC_ID_PCM_S8:
+ case AV_CODEC_ID_PCM_S8_PLANAR:
+ case AV_CODEC_ID_PCM_SGA:
+ case AV_CODEC_ID_PCM_U8:
+ case AV_CODEC_ID_SDX2_DPCM:
+ case AV_CODEC_ID_CBD2_DPCM:
+ case AV_CODEC_ID_DERF_DPCM:
+ case AV_CODEC_ID_WADY_DPCM:
+ return 8;
+ case AV_CODEC_ID_PCM_S16BE:
+ case AV_CODEC_ID_PCM_S16BE_PLANAR:
+ case AV_CODEC_ID_PCM_S16LE:
+ case AV_CODEC_ID_PCM_S16LE_PLANAR:
+ case AV_CODEC_ID_PCM_U16BE:
+ case AV_CODEC_ID_PCM_U16LE:
+ return 16;
+ case AV_CODEC_ID_PCM_S24DAUD:
+ case AV_CODEC_ID_PCM_S24BE:
+ case AV_CODEC_ID_PCM_S24LE:
+ case AV_CODEC_ID_PCM_S24LE_PLANAR:
+ case AV_CODEC_ID_PCM_U24BE:
+ case AV_CODEC_ID_PCM_U24LE:
+ return 24;
+ case AV_CODEC_ID_PCM_S32BE:
+ case AV_CODEC_ID_PCM_S32LE:
+ case AV_CODEC_ID_PCM_S32LE_PLANAR:
+ case AV_CODEC_ID_PCM_U32BE:
+ case AV_CODEC_ID_PCM_U32LE:
+ case AV_CODEC_ID_PCM_F32BE:
+ case AV_CODEC_ID_PCM_F32LE:
+ case AV_CODEC_ID_PCM_F24LE:
+ case AV_CODEC_ID_PCM_F16LE:
+ return 32;
+ case AV_CODEC_ID_PCM_F64BE:
+ case AV_CODEC_ID_PCM_F64LE:
+ case AV_CODEC_ID_PCM_S64BE:
+ case AV_CODEC_ID_PCM_S64LE:
+ return 64;
+ default:
+ return 0;
+ }
+}
+
+enum AVCodecID av_get_pcm_codec(enum AVSampleFormat fmt, int be)
+{
+ static const enum AVCodecID map[][2] = {
+ [AV_SAMPLE_FMT_U8 ] = { AV_CODEC_ID_PCM_U8, AV_CODEC_ID_PCM_U8 },
+ [AV_SAMPLE_FMT_S16 ] = { AV_CODEC_ID_PCM_S16LE, AV_CODEC_ID_PCM_S16BE },
+ [AV_SAMPLE_FMT_S32 ] = { AV_CODEC_ID_PCM_S32LE, AV_CODEC_ID_PCM_S32BE },
+ [AV_SAMPLE_FMT_FLT ] = { AV_CODEC_ID_PCM_F32LE, AV_CODEC_ID_PCM_F32BE },
+ [AV_SAMPLE_FMT_DBL ] = { AV_CODEC_ID_PCM_F64LE, AV_CODEC_ID_PCM_F64BE },
+ [AV_SAMPLE_FMT_U8P ] = { AV_CODEC_ID_PCM_U8, AV_CODEC_ID_PCM_U8 },
+ [AV_SAMPLE_FMT_S16P] = { AV_CODEC_ID_PCM_S16LE, AV_CODEC_ID_PCM_S16BE },
+ [AV_SAMPLE_FMT_S32P] = { AV_CODEC_ID_PCM_S32LE, AV_CODEC_ID_PCM_S32BE },
+ [AV_SAMPLE_FMT_S64P] = { AV_CODEC_ID_PCM_S64LE, AV_CODEC_ID_PCM_S64BE },
+ [AV_SAMPLE_FMT_FLTP] = { AV_CODEC_ID_PCM_F32LE, AV_CODEC_ID_PCM_F32BE },
+ [AV_SAMPLE_FMT_DBLP] = { AV_CODEC_ID_PCM_F64LE, AV_CODEC_ID_PCM_F64BE },
+ };
+ if (fmt < 0 || fmt >= FF_ARRAY_ELEMS(map))
+ return AV_CODEC_ID_NONE;
+ if (be < 0 || be > 1)
+ be = AV_NE(1, 0);
+ return map[fmt][be];
+}
+
+int av_get_bits_per_sample(enum AVCodecID codec_id)
+{
+ switch (codec_id) {
+ case AV_CODEC_ID_DFPWM:
+ return 1;
+ case AV_CODEC_ID_ADPCM_SBPRO_2:
+ return 2;
+ case AV_CODEC_ID_ADPCM_SBPRO_3:
+ return 3;
+ case AV_CODEC_ID_ADPCM_SBPRO_4:
+ case AV_CODEC_ID_ADPCM_IMA_WAV:
+ case AV_CODEC_ID_ADPCM_IMA_QT:
+ case AV_CODEC_ID_ADPCM_SWF:
+ case AV_CODEC_ID_ADPCM_MS:
+ return 4;
+ default:
+ return av_get_exact_bits_per_sample(codec_id);
+ }
+}
+
+static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba,
+ uint32_t tag, int bits_per_coded_sample, int64_t bitrate,
+ uint8_t * extradata, int frame_size, int frame_bytes)
+{
+ int bps = av_get_exact_bits_per_sample(id);
+ int framecount = (ba > 0 && frame_bytes / ba > 0) ? frame_bytes / ba : 1;
+
+ /* codecs with an exact constant bits per sample */
+ if (bps > 0 && ch > 0 && frame_bytes > 0 && ch < 32768 && bps < 32768)
+ return (frame_bytes * 8LL) / (bps * ch);
+ bps = bits_per_coded_sample;
+
+ /* codecs with a fixed packet duration */
+ switch (id) {
+ case AV_CODEC_ID_ADPCM_ADX: return 32;
+ case AV_CODEC_ID_ADPCM_IMA_QT: return 64;
+ case AV_CODEC_ID_ADPCM_EA_XAS: return 128;
+ case AV_CODEC_ID_AMR_NB:
+ case AV_CODEC_ID_EVRC:
+ case AV_CODEC_ID_GSM:
+ case AV_CODEC_ID_QCELP:
+ case AV_CODEC_ID_RA_288: return 160;
+ case AV_CODEC_ID_AMR_WB:
+ case AV_CODEC_ID_GSM_MS: return 320;
+ case AV_CODEC_ID_MP1: return 384;
+ case AV_CODEC_ID_ATRAC1: return 512;
+ case AV_CODEC_ID_ATRAC9:
+ case AV_CODEC_ID_ATRAC3:
+ if (framecount > INT_MAX/1024)
+ return 0;
+ return 1024 * framecount;
+ case AV_CODEC_ID_ATRAC3P: return 2048;
+ case AV_CODEC_ID_MP2:
+ case AV_CODEC_ID_MUSEPACK7: return 1152;
+ case AV_CODEC_ID_AC3: return 1536;
+ case AV_CODEC_ID_FTR: return 1024;
+ }
+
+ if (sr > 0) {
+ /* calc from sample rate */
+ if (id == AV_CODEC_ID_TTA)
+ return 256 * sr / 245;
+ else if (id == AV_CODEC_ID_DST)
+ return 588 * sr / 44100;
+ else if (id == AV_CODEC_ID_BINKAUDIO_DCT) {
+ if (sr / 22050 > 22)
+ return 0;
+ return (480 << (sr / 22050));
+ }
+
+ if (id == AV_CODEC_ID_MP3)
+ return sr <= 24000 ? 576 : 1152;
+ }
+
+ if (ba > 0) {
+ /* calc from block_align */
+ if (id == AV_CODEC_ID_SIPR) {
+ switch (ba) {
+ case 20: return 160;
+ case 19: return 144;
+ case 29: return 288;
+ case 37: return 480;
+ }
+ } else if (id == AV_CODEC_ID_ILBC) {
+ switch (ba) {
+ case 38: return 160;
+ case 50: return 240;
+ }
+ }
+ }
+
+ if (frame_bytes > 0) {
+ /* calc from frame_bytes only */
+ if (id == AV_CODEC_ID_TRUESPEECH)
+ return 240 * (frame_bytes / 32);
+ if (id == AV_CODEC_ID_NELLYMOSER)
+ return 256 * (frame_bytes / 64);
+ if (id == AV_CODEC_ID_RA_144)
+ return 160 * (frame_bytes / 20);
+ if (id == AV_CODEC_ID_APTX)
+ return 4 * (frame_bytes / 4);
+ if (id == AV_CODEC_ID_APTX_HD)
+ return 4 * (frame_bytes / 6);
+
+ if (bps > 0) {
+ /* calc from frame_bytes and bits_per_coded_sample */
+ if (id == AV_CODEC_ID_ADPCM_G726 || id == AV_CODEC_ID_ADPCM_G726LE)
+ return frame_bytes * 8 / bps;
+ }
+
+ if (ch > 0 && ch < INT_MAX/16) {
+ /* calc from frame_bytes and channels */
+ switch (id) {
+ case AV_CODEC_ID_FASTAUDIO:
+ return frame_bytes / (40 * ch) * 256;
+ case AV_CODEC_ID_ADPCM_IMA_MOFLEX:
+ return (frame_bytes - 4 * ch) / (128 * ch) * 256;
+ case AV_CODEC_ID_ADPCM_AFC:
+ return frame_bytes / (9 * ch) * 16;
+ case AV_CODEC_ID_ADPCM_PSX:
+ case AV_CODEC_ID_ADPCM_DTK:
+ frame_bytes /= 16 * ch;
+ if (frame_bytes > INT_MAX / 28)
+ return 0;
+ return frame_bytes * 28;
+ case AV_CODEC_ID_ADPCM_4XM:
+ case AV_CODEC_ID_ADPCM_IMA_ACORN:
+ case AV_CODEC_ID_ADPCM_IMA_DAT4:
+ case AV_CODEC_ID_ADPCM_IMA_ISS:
+ return (frame_bytes - 4 * ch) * 2 / ch;
+ case AV_CODEC_ID_ADPCM_IMA_SMJPEG:
+ return (frame_bytes - 4) * 2 / ch;
+ case AV_CODEC_ID_ADPCM_IMA_AMV:
+ return (frame_bytes - 8) * 2;
+ case AV_CODEC_ID_ADPCM_THP:
+ case AV_CODEC_ID_ADPCM_THP_LE:
+ if (extradata)
+ return frame_bytes * 14LL / (8 * ch);
+ break;
+ case AV_CODEC_ID_ADPCM_XA:
+ return (frame_bytes / 128) * 224 / ch;
+ case AV_CODEC_ID_INTERPLAY_DPCM:
+ return (frame_bytes - 6 - ch) / ch;
+ case AV_CODEC_ID_ROQ_DPCM:
+ return (frame_bytes - 8) / ch;
+ case AV_CODEC_ID_XAN_DPCM:
+ return (frame_bytes - 2 * ch) / ch;
+ case AV_CODEC_ID_MACE3:
+ return 3 * frame_bytes / ch;
+ case AV_CODEC_ID_MACE6:
+ return 6 * frame_bytes / ch;
+ case AV_CODEC_ID_PCM_LXF:
+ return 2 * (frame_bytes / (5 * ch));
+ case AV_CODEC_ID_IAC:
+ case AV_CODEC_ID_IMC:
+ return 4 * frame_bytes / ch;
+ }
+
+ if (tag) {
+ /* calc from frame_bytes, channels, and codec_tag */
+ if (id == AV_CODEC_ID_SOL_DPCM) {
+ if (tag == 3)
+ return frame_bytes / ch;
+ else
+ return frame_bytes * 2 / ch;
+ }
+ }
+
+ if (ba > 0) {
+ /* calc from frame_bytes, channels, and block_align */
+ int blocks = frame_bytes / ba;
+ int64_t tmp = 0;
+ switch (id) {
+ case AV_CODEC_ID_ADPCM_IMA_WAV:
+ if (bps < 2 || bps > 5)
+ return 0;
+ tmp = blocks * (1LL + (ba - 4 * ch) / (bps * ch) * 8);
+ break;
+ case AV_CODEC_ID_ADPCM_IMA_DK3:
+ tmp = blocks * (((ba - 16LL) * 2 / 3 * 4) / ch);
+ break;
+ case AV_CODEC_ID_ADPCM_IMA_DK4:
+ tmp = blocks * (1 + (ba - 4LL * ch) * 2 / ch);
+ break;
+ case AV_CODEC_ID_ADPCM_IMA_RAD:
+ tmp = blocks * ((ba - 4LL * ch) * 2 / ch);
+ break;
+ case AV_CODEC_ID_ADPCM_MS:
+ tmp = blocks * (2 + (ba - 7LL * ch) * 2LL / ch);
+ break;
+ case AV_CODEC_ID_ADPCM_MTAF:
+ tmp = blocks * (ba - 16LL) * 2 / ch;
+ break;
+ case AV_CODEC_ID_ADPCM_XMD:
+ tmp = blocks * 32;
+ break;
+ }
+ if (tmp) {
+ if (tmp != (int)tmp)
+ return 0;
+ return tmp;
+ }
+ }
+
+ if (bps > 0) {
+ /* calc from frame_bytes, channels, and bits_per_coded_sample */
+ switch (id) {
+ case AV_CODEC_ID_PCM_DVD:
+ if(bps<4 || frame_bytes<3)
+ return 0;
+ return 2 * ((frame_bytes - 3) / ((bps * 2 / 8) * ch));
+ case AV_CODEC_ID_PCM_BLURAY:
+ if(bps<4 || frame_bytes<4)
+ return 0;
+ return (frame_bytes - 4) / ((FFALIGN(ch, 2) * bps) / 8);
+ case AV_CODEC_ID_S302M:
+ return 2 * (frame_bytes / ((bps + 4) / 4)) / ch;
+ }
+ }
+ }
+ }
+
+ /* Fall back on using frame_size */
+ if (frame_size > 1 && frame_bytes)
+ return frame_size;
+
+ //For WMA we currently have no other means to calculate duration thus we
+ //do it here by assuming CBR, which is true for all known cases.
+ if (bitrate > 0 && frame_bytes > 0 && sr > 0 && ba > 1) {
+ if (id == AV_CODEC_ID_WMAV1 || id == AV_CODEC_ID_WMAV2)
+ return (frame_bytes * 8LL * sr) / bitrate;
+ }
+
+ return 0;
+}
+
+int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
+{
+ int channels = avctx->ch_layout.nb_channels;
+ int duration;
+#if FF_API_OLD_CHANNEL_LAYOUT
+FF_DISABLE_DEPRECATION_WARNINGS
+ if (!channels)
+ channels = avctx->channels;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+ duration = get_audio_frame_duration(avctx->codec_id, avctx->sample_rate,
+ channels, avctx->block_align,
+ avctx->codec_tag, avctx->bits_per_coded_sample,
+ avctx->bit_rate, avctx->extradata, avctx->frame_size,
+ frame_bytes);
+ return FFMAX(0, duration);
+}
+
+int av_get_audio_frame_duration2(AVCodecParameters *par, int frame_bytes)
+{
+ int channels = par->ch_layout.nb_channels;
+ int duration;
+#if FF_API_OLD_CHANNEL_LAYOUT
+FF_DISABLE_DEPRECATION_WARNINGS
+ if (!channels)
+ channels = par->channels;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+ duration = get_audio_frame_duration(par->codec_id, par->sample_rate,
+ channels, par->block_align,
+ par->codec_tag, par->bits_per_coded_sample,
+ par->bit_rate, par->extradata, par->frame_size,
+ frame_bytes);
+ return FFMAX(0, duration);
+}
+
+#if !HAVE_THREADS
+int ff_thread_init(AVCodecContext *s)
+{
+ return -1;
+}
+
+#endif
+
+unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
+{
+ unsigned int n = 0;
+
+ while (v >= 0xff) {
+ *s++ = 0xff;
+ v -= 0xff;
+ n++;
+ }
+ *s = v;
+ n++;
+ return n;
+}
+
+int ff_match_2uint16(const uint16_t(*tab)[2], int size, int a, int b)
+{
+ int i;
+ for (i = 0; i < size && !(tab[i][0] == a && tab[i][1] == b); i++) ;
+ return i;
+}
+
+const AVCodecHWConfig *avcodec_get_hw_config(const AVCodec *avcodec, int index)
+{
+ const FFCodec *const codec = ffcodec(avcodec);
+ int i;
+ if (!codec->hw_configs || index < 0)
+ return NULL;
+ for (i = 0; i <= index; i++)
+ if (!codec->hw_configs[i])
+ return NULL;
+ return &codec->hw_configs[index]->public;
+}
+
+int ff_thread_ref_frame(ThreadFrame *dst, const ThreadFrame *src)
+{
+ int ret;
+
+ dst->owner[0] = src->owner[0];
+ dst->owner[1] = src->owner[1];
+
+ ret = av_frame_ref(dst->f, src->f);
+ if (ret < 0)
+ return ret;
+
+ av_assert0(!dst->progress);
+
+ if (src->progress &&
+ !(dst->progress = av_buffer_ref(src->progress))) {
+ ff_thread_release_ext_buffer(dst->owner[0], dst);
+ return AVERROR(ENOMEM);
+ }
+
+ return 0;
+}
+
+#if !HAVE_THREADS
+
+int ff_thread_get_buffer(AVCodecContext *avctx, AVFrame *f, int flags)
+{
+ return ff_get_buffer(avctx, f, flags);
+}
+
+int ff_thread_get_ext_buffer(AVCodecContext *avctx, ThreadFrame *f, int flags)
+{
+ f->owner[0] = f->owner[1] = avctx;
+ return ff_get_buffer(avctx, f->f, flags);
+}
+
+void ff_thread_release_buffer(AVCodecContext *avctx, AVFrame *f)
+{
+ if (f)
+ av_frame_unref(f);
+}
+
+void ff_thread_release_ext_buffer(AVCodecContext *avctx, ThreadFrame *f)
+{
+ f->owner[0] = f->owner[1] = NULL;
+ if (f->f)
+ av_frame_unref(f->f);
+}
+
+void ff_thread_finish_setup(AVCodecContext *avctx)
+{
+}
+
+void ff_thread_report_progress(ThreadFrame *f, int progress, int field)
+{
+}
+
+void ff_thread_await_progress(const ThreadFrame *f, int progress, int field)
+{
+}
+
+int ff_thread_can_start_frame(AVCodecContext *avctx)
+{
+ return 1;
+}
+
+int ff_slice_thread_init_progress(AVCodecContext *avctx)
+{
+ return 0;
+}
+
+int ff_slice_thread_allocz_entries(AVCodecContext *avctx, int count)
+{
+ return 0;
+}
+
+void ff_thread_await_progress2(AVCodecContext *avctx, int field, int thread, int shift)
+{
+}
+
+void ff_thread_report_progress2(AVCodecContext *avctx, int field, int thread, int n)
+{
+}
+
+#endif
+
+const uint8_t *avpriv_find_start_code(const uint8_t *av_restrict p,
+ const uint8_t *end,
+ uint32_t *av_restrict state)
+{
+ int i;
+
+ av_assert0(p <= end);
+ if (p >= end)
+ return end;
+
+ for (i = 0; i < 3; i++) {
+ uint32_t tmp = *state << 8;
+ *state = tmp + *(p++);
+ if (tmp == 0x100 || p == end)
+ return p;
+ }
+
+ while (p < end) {
+ if (p[-1] > 1 ) p += 3;
+ else if (p[-2] ) p += 2;
+ else if (p[-3]|(p[-1]-1)) p++;
+ else {
+ p++;
+ break;
+ }
+ }
+
+ p = FFMIN(p, end) - 4;
+ *state = AV_RB32(p);
+
+ return p + 4;
+}
+
+AVCPBProperties *av_cpb_properties_alloc(size_t *size)
+{
+ AVCPBProperties *props = av_mallocz(sizeof(AVCPBProperties));
+ if (!props)
+ return NULL;
+
+ if (size)
+ *size = sizeof(*props);
+
+ props->vbv_delay = UINT64_MAX;
+
+ return props;
+}
+
+AVCPBProperties *ff_add_cpb_side_data(AVCodecContext *avctx)
+{
+ AVPacketSideData *tmp;
+ AVCPBProperties *props;
+ size_t size;
+ int i;
+
+ for (i = 0; i < avctx->nb_coded_side_data; i++)
+ if (avctx->coded_side_data[i].type == AV_PKT_DATA_CPB_PROPERTIES)
+ return (AVCPBProperties *)avctx->coded_side_data[i].data;
+
+ props = av_cpb_properties_alloc(&size);
+ if (!props)
+ return NULL;
+
+ tmp = av_realloc_array(avctx->coded_side_data, avctx->nb_coded_side_data + 1, sizeof(*tmp));
+ if (!tmp) {
+ av_freep(&props);
+ return NULL;
+ }
+
+ avctx->coded_side_data = tmp;
+ avctx->nb_coded_side_data++;
+
+ avctx->coded_side_data[avctx->nb_coded_side_data - 1].type = AV_PKT_DATA_CPB_PROPERTIES;
+ avctx->coded_side_data[avctx->nb_coded_side_data - 1].data = (uint8_t*)props;
+ avctx->coded_side_data[avctx->nb_coded_side_data - 1].size = size;
+
+ return props;
+}
+
+static unsigned bcd2uint(uint8_t bcd)
+{
+ unsigned low = bcd & 0xf;
+ unsigned high = bcd >> 4;
+ if (low > 9 || high > 9)
+ return 0;
+ return low + 10*high;
+}
+
+int ff_alloc_timecode_sei(const AVFrame *frame, AVRational rate, size_t prefix_len,
+ void **data, size_t *sei_size)
+{
+ AVFrameSideData *sd = NULL;
+ uint8_t *sei_data;
+ PutBitContext pb;
+ uint32_t *tc;
+ int m;
+
+ if (frame)
+ sd = av_frame_get_side_data(frame, AV_FRAME_DATA_S12M_TIMECODE);
+
+ if (!sd) {
+ *data = NULL;
+ return 0;
+ }
+ tc = (uint32_t*)sd->data;
+ m = tc[0] & 3;
+
+ *sei_size = sizeof(uint32_t) * 4;
+ *data = av_mallocz(*sei_size + prefix_len);
+ if (!*data)
+ return AVERROR(ENOMEM);
+ sei_data = (uint8_t*)*data + prefix_len;
+
+ init_put_bits(&pb, sei_data, *sei_size);
+ put_bits(&pb, 2, m); // num_clock_ts
+
+ for (int j = 1; j <= m; j++) {
+ uint32_t tcsmpte = tc[j];
+ unsigned hh = bcd2uint(tcsmpte & 0x3f); // 6-bit hours
+ unsigned mm = bcd2uint(tcsmpte>>8 & 0x7f); // 7-bit minutes
+ unsigned ss = bcd2uint(tcsmpte>>16 & 0x7f); // 7-bit seconds
+ unsigned ff = bcd2uint(tcsmpte>>24 & 0x3f); // 6-bit frames
+ unsigned drop = tcsmpte & 1<<30 && !0; // 1-bit drop if not arbitrary bit
+
+ /* Calculate frame number of HEVC by SMPTE ST 12-1:2014 Sec 12.2 if rate > 30FPS */
+ if (av_cmp_q(rate, (AVRational) {30, 1}) == 1) {
+ unsigned pc;
+ ff *= 2;
+ if (av_cmp_q(rate, (AVRational) {50, 1}) == 0)
+ pc = !!(tcsmpte & 1 << 7);
+ else
+ pc = !!(tcsmpte & 1 << 23);
+ ff = (ff + pc) & 0x7f;
+ }
+
+ put_bits(&pb, 1, 1); // clock_timestamp_flag
+ put_bits(&pb, 1, 1); // units_field_based_flag
+ put_bits(&pb, 5, 0); // counting_type
+ put_bits(&pb, 1, 1); // full_timestamp_flag
+ put_bits(&pb, 1, 0); // discontinuity_flag
+ put_bits(&pb, 1, drop);
+ put_bits(&pb, 9, ff);
+ put_bits(&pb, 6, ss);
+ put_bits(&pb, 6, mm);
+ put_bits(&pb, 5, hh);
+ put_bits(&pb, 5, 0);
+ }
+ flush_put_bits(&pb);
+
+ return 0;
+}
+
+int64_t ff_guess_coded_bitrate(AVCodecContext *avctx)
+{
+ AVRational framerate = avctx->framerate;
+ int bits_per_coded_sample = avctx->bits_per_coded_sample;
+ int64_t bitrate;
+
+ if (!(framerate.num && framerate.den))
+ framerate = av_inv_q(avctx->time_base);
+ if (!(framerate.num && framerate.den))
+ return 0;
+
+ if (!bits_per_coded_sample) {
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
+ bits_per_coded_sample = av_get_bits_per_pixel(desc);
+ }
+ bitrate = (int64_t)bits_per_coded_sample * avctx->width * avctx->height *
+ framerate.num / framerate.den;
+
+ return bitrate;
+}
+
+int ff_int_from_list_or_default(void *ctx, const char * val_name, int val,
+ const int * array_valid_values, int default_value)
+{
+ int i = 0, ref_val;
+
+ while (1) {
+ ref_val = array_valid_values[i];
+ if (ref_val == INT_MAX)
+ break;
+ if (val == ref_val)
+ return val;
+ i++;
+ }
+ /* val is not a valid value */
+ av_log(ctx, AV_LOG_DEBUG,
+ "%s %d are not supported. Set to default value : %d\n", val_name, val, default_value);
+ return default_value;
+}