av_cold int ff_psy_init(FFPsyContext *ctx, AVCodecContext *avctx, int num_lens,
const uint8_t **bands, const int* num_bands,
int num_groups, const uint8_t *group_map)
{
int i, j, k = 0;
ctx->avctx = avctx;
ctx->ch = av_mallocz_array(sizeof(ctx->ch[0]), avctx->channels * 2);
ctx->group = av_mallocz_array(sizeof(ctx->group[0]), num_groups);
ctx->bands = av_malloc_array (sizeof(ctx->bands[0]), num_lens);
ctx->num_bands = av_malloc_array (sizeof(ctx->num_bands[0]), num_lens);
memcpy(ctx->bands, bands, sizeof(ctx->bands[0]) * num_lens);
memcpy(ctx->num_bands, num_bands, sizeof(ctx->num_bands[0]) * num_lens);
/* assign channels to groups (with virtual channels for coupling) */
for (i = 0; i < num_groups; i++) {
/* NOTE: Add 1 to handle the AAC chan_config without modification.
* This has the side effect of allowing an array of 0s to map
* to one channel per group.
*/
ctx->group[i].num_ch = group_map[i] + 1;
for (j = 0; j < ctx->group[i].num_ch * 2; j++)
ctx->group[i].ch[j] = &ctx->ch[k++];
}
switch (ctx->avctx->codec_id) {
case AV_CODEC_ID_AAC:
ctx->model = &ff_aac_psy_model;
break;
}
if (ctx->model->init)
return ctx->model->init(ctx);
return 0;
}
static av_cold int cng_decode_init(AVCodecContext *avctx)
{
CNGContext *p = avctx->priv_data;
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
avctx->channels = 1;
avctx->sample_rate = 8000;
p->order = 12;
avctx->frame_size = 640;
p->refl_coef = av_mallocz_array(p->order, sizeof(*p->refl_coef));
p->target_refl_coef = av_mallocz_array(p->order, sizeof(*p->target_refl_coef));
p->lpc_coef = av_mallocz_array(p->order, sizeof(*p->lpc_coef));
p->filter_out = av_mallocz_array(avctx->frame_size + p->order,
sizeof(*p->filter_out));
p->excitation = av_mallocz_array(avctx->frame_size, sizeof(*p->excitation));
if (!p->refl_coef || !p->target_refl_coef || !p->lpc_coef ||
!p->filter_out || !p->excitation) {
cng_decode_close(avctx);
return AVERROR(ENOMEM);
}
av_lfg_init(&p->lfg, 0);
return 0;
}
static av_cold int mp_decode_init(AVCodecContext *avctx)
{
MotionPixelsContext *mp = avctx->priv_data;
int w4 = (avctx->width + 3) & ~3;
int h4 = (avctx->height + 3) & ~3;
if(avctx->extradata_size < 2){
av_log(avctx, AV_LOG_ERROR, "extradata too small\n");
return AVERROR_INVALIDDATA;
}
motionpixels_tableinit();
mp->avctx = avctx;
ff_bswapdsp_init(&mp->bdsp);
mp->changes_map = av_mallocz_array(avctx->width, h4);
mp->offset_bits_len = av_log2(avctx->width * avctx->height) + 1;
mp->vpt = av_mallocz_array(avctx->height, sizeof(YuvPixel));
mp->hpt = av_mallocz_array(h4 / 4, w4 / 4 * sizeof(YuvPixel));
if (!mp->changes_map || !mp->vpt || !mp->hpt) {
av_freep(&mp->changes_map);
av_freep(&mp->vpt);
av_freep(&mp->hpt);
return AVERROR(ENOMEM);
}
avctx->pix_fmt = AV_PIX_FMT_RGB555;
mp->frame = av_frame_alloc();
if (!mp->frame) {
mp_decode_end(avctx);
return AVERROR(ENOMEM);
}
return 0;
}
static av_cold int roq_encode_init(AVCodecContext *avctx)
{
RoqContext *enc = avctx->priv_data;
av_lfg_init(&enc->randctx, 1);
enc->avctx = avctx;
enc->framesSinceKeyframe = 0;
if ((avctx->width & 0xf) || (avctx->height & 0xf)) {
av_log(avctx, AV_LOG_ERROR, "Dimensions must be divisible by 16\n");
return AVERROR(EINVAL);
}
if (avctx->width > 65535 || avctx->height > 65535) {
av_log(avctx, AV_LOG_ERROR, "Dimensions are max %d\n", enc->quake3_compat ? 32768 : 65535);
return AVERROR(EINVAL);
}
if (((avctx->width)&(avctx->width-1))||((avctx->height)&(avctx->height-1)))
av_log(avctx, AV_LOG_ERROR, "Warning: dimensions not power of two, this is not supported by quake\n");
enc->width = avctx->width;
enc->height = avctx->height;
enc->framesSinceKeyframe = 0;
enc->first_frame = 1;
enc->last_frame = av_frame_alloc();
enc->current_frame = av_frame_alloc();
avctx->coded_frame = av_frame_alloc();
if (!enc->last_frame || !enc->current_frame || !avctx->coded_frame) {
roq_encode_end(avctx);
return AVERROR(ENOMEM);
}
enc->tmpData = av_malloc(sizeof(RoqTempdata));
enc->this_motion4 =
av_mallocz_array((enc->width*enc->height/16), sizeof(motion_vect));
enc->last_motion4 =
av_malloc_array ((enc->width*enc->height/16), sizeof(motion_vect));
enc->this_motion8 =
av_mallocz_array((enc->width*enc->height/64), sizeof(motion_vect));
enc->last_motion8 =
av_malloc_array ((enc->width*enc->height/64), sizeof(motion_vect));
if (!enc->tmpData || !enc->this_motion4 || !enc->last_motion4 ||
!enc->this_motion8 || !enc->last_motion8) {
roq_encode_end(avctx);
return AVERROR(ENOMEM);
}
return 0;
}
static int get_audio_buffer(AVFrame *frame, int align)
{
int channels;
int planar = av_sample_fmt_is_planar(frame->format);
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,
align);
if (ret < 0)
return ret;
}
if (planes > AV_NUM_DATA_POINTERS) {
frame->extended_data = av_mallocz_array(planes,
sizeof(*frame->extended_data));
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);
av_freep(&frame->extended_buf);
return AVERROR(ENOMEM);
}
frame->nb_extended_buf = planes - AV_NUM_DATA_POINTERS;
} else
frame->extended_data = frame->data;
for (i = 0; i < FFMIN(planes, AV_NUM_DATA_POINTERS); i++) {
frame->buf[i] = av_buffer_alloc(frame->linesize[0]);
if (!frame->buf[i]) {
av_frame_unref(frame);
return AVERROR(ENOMEM);
}
frame->extended_data[i] = frame->data[i] = frame->buf[i]->data;
}
for (i = 0; i < planes - AV_NUM_DATA_POINTERS; i++) {
frame->extended_buf[i] = av_buffer_alloc(frame->linesize[0]);
if (!frame->extended_buf[i]) {
av_frame_unref(frame);
return AVERROR(ENOMEM);
}
frame->extended_data[i + AV_NUM_DATA_POINTERS] = frame->extended_buf[i]->data;
}
return 0;
}
static int qsv_frames_derive_to(AVHWFramesContext *dst_ctx,
AVHWFramesContext *src_ctx, int flags)
{
QSVFramesContext *s = dst_ctx->internal->priv;
AVQSVFramesContext *dst_hwctx = dst_ctx->hwctx;
int i;
switch (src_ctx->device_ctx->type) {
#if CONFIG_VAAPI
case AV_HWDEVICE_TYPE_VAAPI:
{
AVVAAPIFramesContext *src_hwctx = src_ctx->hwctx;
s->surfaces_internal = av_mallocz_array(src_hwctx->nb_surfaces,
sizeof(*s->surfaces_internal));
if (!s->surfaces_internal)
return AVERROR(ENOMEM);
for (i = 0; i < src_hwctx->nb_surfaces; i++) {
qsv_init_surface(dst_ctx, &s->surfaces_internal[i]);
s->surfaces_internal[i].Data.MemId = src_hwctx->surface_ids + i;
}
dst_hwctx->nb_surfaces = src_hwctx->nb_surfaces;
dst_hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET;
}
break;
#endif
#if CONFIG_DXVA2
case AV_HWDEVICE_TYPE_DXVA2:
{
AVDXVA2FramesContext *src_hwctx = src_ctx->hwctx;
s->surfaces_internal = av_mallocz_array(src_hwctx->nb_surfaces,
sizeof(*s->surfaces_internal));
if (!s->surfaces_internal)
return AVERROR(ENOMEM);
for (i = 0; i < src_hwctx->nb_surfaces; i++) {
qsv_init_surface(dst_ctx, &s->surfaces_internal[i]);
s->surfaces_internal[i].Data.MemId = (mfxMemId)src_hwctx->surfaces[i];
}
dst_hwctx->nb_surfaces = src_hwctx->nb_surfaces;
if (src_hwctx->surface_type == DXVA2_VideoProcessorRenderTarget)
dst_hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET;
else
dst_hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET;
}
break;
#endif
default:
return AVERROR(ENOSYS);
}
dst_hwctx->surfaces = s->surfaces_internal;
return 0;
}
static int config_output(AVFilterLink *outlink)
{
AVFilterContext *ctx = outlink->src;
MixContext *s = ctx->priv;
int i;
char buf[64];
s->planar = av_sample_fmt_is_planar(outlink->format);
s->sample_rate = outlink->sample_rate;
outlink->time_base = (AVRational){ 1, outlink->sample_rate };
s->next_pts = AV_NOPTS_VALUE;
s->frame_list = av_mallocz(sizeof(*s->frame_list));
if (!s->frame_list)
return AVERROR(ENOMEM);
s->fifos = av_mallocz_array(s->nb_inputs, sizeof(*s->fifos));
if (!s->fifos)
return AVERROR(ENOMEM);
s->nb_channels = outlink->channels;
for (i = 0; i < s->nb_inputs; i++) {
s->fifos[i] = av_audio_fifo_alloc(outlink->format, s->nb_channels, 1024);
if (!s->fifos[i])
return AVERROR(ENOMEM);
}
s->input_state = av_malloc(s->nb_inputs);
if (!s->input_state)
return AVERROR(ENOMEM);
memset(s->input_state, INPUT_ON, s->nb_inputs);
s->active_inputs = s->nb_inputs;
s->input_scale = av_mallocz_array(s->nb_inputs, sizeof(*s->input_scale));
s->scale_norm = av_mallocz_array(s->nb_inputs, sizeof(*s->scale_norm));
if (!s->input_scale || !s->scale_norm)
return AVERROR(ENOMEM);
for (i = 0; i < s->nb_inputs; i++)
s->scale_norm[i] = s->weight_sum / s->weights[i];
calculate_scales(s, 0);
av_get_channel_layout_string(buf, sizeof(buf), -1, outlink->channel_layout);
av_log(ctx, AV_LOG_VERBOSE,
"inputs:%d fmt:%s srate:%d cl:%s\n", s->nb_inputs,
av_get_sample_fmt_name(outlink->format), outlink->sample_rate, buf);
return 0;
}
static int alloc_slice(SwsSlice *s, enum AVPixelFormat fmt, int lumLines, int chrLines, int h_sub_sample, int v_sub_sample, int ring)
{
int i;
int size[4] = { lumLines,
chrLines,
chrLines,
lumLines };
s->h_chr_sub_sample = h_sub_sample;
s->v_chr_sub_sample = v_sub_sample;
s->fmt = fmt;
s->is_ring = ring;
s->should_free_lines = 0;
for (i = 0; i < 4; ++i) {
int n = size[i] * ( ring == 0 ? 1 : 3);
s->plane[i].line = av_mallocz_array(sizeof(uint8_t*), n);
if (!s->plane[i].line)
return AVERROR(ENOMEM);
s->plane[i].tmp = ring ? s->plane[i].line + size[i] * 2 : NULL;
s->plane[i].available_lines = size[i];
s->plane[i].sliceY = 0;
s->plane[i].sliceH = 0;
}
return 0;
}
static int qsv_setup_mids(mfxFrameAllocResponse *resp, AVBufferRef *hw_frames_ref,
AVBufferRef *mids_buf)
{
AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
QSVMid *mids = (QSVMid*)mids_buf->data;
int nb_surfaces = frames_hwctx->nb_surfaces;
int i;
// the allocated size of the array is two larger than the number of
// surfaces, we store the references to the frames context and the
// QSVMid array there
resp->mids = av_mallocz_array(nb_surfaces + 2, sizeof(*resp->mids));
if (!resp->mids)
return AVERROR(ENOMEM);
for (i = 0; i < nb_surfaces; i++)
resp->mids[i] = &mids[i];
resp->NumFrameActual = nb_surfaces;
resp->mids[resp->NumFrameActual] = (mfxMemId)av_buffer_ref(hw_frames_ref);
if (!resp->mids[resp->NumFrameActual]) {
av_freep(&resp->mids);
return AVERROR(ENOMEM);
}
resp->mids[resp->NumFrameActual + 1] = av_buffer_ref(mids_buf);
if (!resp->mids[resp->NumFrameActual + 1]) {
av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
av_freep(&resp->mids);
return AVERROR(ENOMEM);
}
return 0;
}
static int ico_write_header(AVFormatContext *s)
{
IcoMuxContext *ico = s->priv_data;
AVIOContext *pb = s->pb;
int ret;
int i;
if (!pb->seekable) {
av_log(s, AV_LOG_ERROR, "Output is not seekable\n");
return AVERROR(EINVAL);
}
ico->current_image = 0;
ico->nb_images = s->nb_streams;
avio_wl16(pb, 0); // reserved
avio_wl16(pb, 1); // 1 == icon
avio_skip(pb, 2); // skip the number of images
for (i = 0; i < s->nb_streams; i++) {
if (ret = ico_check_attributes(s, s->streams[i]->codec))
return ret;
// Fill in later when writing trailer...
avio_skip(pb, 16);
}
ico->images = av_mallocz_array(ico->nb_images, sizeof(IcoMuxContext));
if (!ico->images)
return AVERROR(ENOMEM);
avio_flush(pb);
return 0;
}
static int win32_open(const char *filename_utf8, int oflag, int pmode)
{
int fd;
int num_chars;
wchar_t *filename_w;
/* convert UTF-8 to wide chars */
num_chars = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, filename_utf8, -1, NULL, 0);
if (num_chars <= 0)
goto fallback;
filename_w = av_mallocz_array(num_chars, sizeof(wchar_t));
if (!filename_w) {
errno = ENOMEM;
return -1;
}
MultiByteToWideChar(CP_UTF8, 0, filename_utf8, -1, filename_w, num_chars);
fd = _wsopen(filename_w, oflag, SH_DENYNO, pmode);
av_freep(&filename_w);
if (fd != -1 || (oflag & O_CREAT))
return fd;
fallback:
/* filename may be in CP_ACP */
return _sopen(filename_utf8, oflag, SH_DENYNO, pmode);
}
av_cold struct FFPsyPreprocessContext* ff_psy_preprocess_init(AVCodecContext *avctx)
{
FFPsyPreprocessContext *ctx;
int i;
float cutoff_coeff = 0;
ctx = av_mallocz(sizeof(FFPsyPreprocessContext));
if (!ctx)
return NULL;
ctx->avctx = avctx;
if (avctx->cutoff > 0)
cutoff_coeff = 2.0 * avctx->cutoff / avctx->sample_rate;
if (!cutoff_coeff && avctx->codec_id == AV_CODEC_ID_AAC)
cutoff_coeff = 2.0 * AAC_CUTOFF(avctx) / avctx->sample_rate;
if (cutoff_coeff && cutoff_coeff < 0.98)
ctx->fcoeffs = ff_iir_filter_init_coeffs(avctx, FF_FILTER_TYPE_BUTTERWORTH,
FF_FILTER_MODE_LOWPASS, FILT_ORDER,
cutoff_coeff, 0.0, 0.0);
if (ctx->fcoeffs) {
ctx->fstate = av_mallocz_array(sizeof(ctx->fstate[0]), avctx->channels);
if (!ctx->fstate) {
av_free(ctx);
return NULL;
}
for (i = 0; i < avctx->channels; i++)
ctx->fstate[i] = ff_iir_filter_init_state(FILT_ORDER);
}
ff_iir_filter_init(&ctx->fiir);
return ctx;
}
AVResampleContext *av_resample_init(int out_rate, int in_rate, int filter_size, int phase_shift, int linear, double cutoff){
AVResampleContext *c= av_mallocz(sizeof(AVResampleContext));
double factor= FFMIN(out_rate * cutoff / in_rate, 1.0);
int phase_count= 1<<phase_shift;
if (!c)
return NULL;
c->phase_shift= phase_shift;
c->phase_mask= phase_count-1;
c->linear= linear;
c->filter_length= FFMAX((int)ceil(filter_size/factor), 1);
c->filter_bank= av_mallocz_array(c->filter_length, (phase_count+1)*sizeof(FELEM));
if (!c->filter_bank)
goto error;
if (build_filter(c->filter_bank, factor, c->filter_length, phase_count, 1<<FILTER_SHIFT, WINDOW_TYPE))
goto error;
memcpy(&c->filter_bank[c->filter_length*phase_count+1], c->filter_bank, (c->filter_length-1)*sizeof(FELEM));
c->filter_bank[c->filter_length*phase_count]= c->filter_bank[c->filter_length - 1];
if(!av_reduce(&c->src_incr, &c->dst_incr, out_rate, in_rate * (int64_t)phase_count, INT32_MAX/2))
goto error;
c->ideal_dst_incr= c->dst_incr;
c->index= -phase_count*((c->filter_length-1)/2);
return c;
error:
av_free(c->filter_bank);
av_free(c);
return NULL;
}
int swri_realloc_audio(AudioData *a, int count){
int i, countb;
AudioData old;
if(count < 0 || count > INT_MAX/2/a->bps/a->ch_count)
return AVERROR(EINVAL);
if(a->count >= count)
return 0;
count*=2;
countb= FFALIGN(count*a->bps, ALIGN);
old= *a;
av_assert0(a->bps);
av_assert0(a->ch_count);
a->data= av_mallocz_array(countb, a->ch_count);
if(!a->data)
return AVERROR(ENOMEM);
for(i=0; i<a->ch_count; i++){
a->ch[i]= a->data + i*(a->planar ? countb : a->bps);
if(a->planar) memcpy(a->ch[i], old.ch[i], a->count*a->bps);
}
if(!a->planar) memcpy(a->ch[0], old.ch[0], a->count*a->ch_count*a->bps);
av_freep(&old.data);
a->count= count;
return 1;
}
static int hwframe_pool_prealloc(AVBufferRef *ref)
{
AVHWFramesContext *ctx = (AVHWFramesContext*)ref->data;
AVFrame **frames;
int i, ret = 0;
frames = av_mallocz_array(ctx->initial_pool_size, sizeof(*frames));
if (!frames)
return AVERROR(ENOMEM);
for (i = 0; i < ctx->initial_pool_size; i++) {
frames[i] = av_frame_alloc();
if (!frames[i])
goto fail;
ret = av_hwframe_get_buffer(ref, frames[i], 0);
if (ret < 0)
goto fail;
}
fail:
for (i = 0; i < ctx->initial_pool_size; i++)
av_frame_free(&frames[i]);
av_freep(&frames);
return ret;
}
static int qsv_frames_derive_from(AVHWFramesContext *dst_ctx,
AVHWFramesContext *src_ctx, int flags)
{
AVQSVFramesContext *src_hwctx = src_ctx->hwctx;
int i;
switch (dst_ctx->device_ctx->type) {
#if CONFIG_VAAPI
case AV_HWDEVICE_TYPE_VAAPI:
{
AVVAAPIFramesContext *dst_hwctx = dst_ctx->hwctx;
dst_hwctx->surface_ids = av_mallocz_array(src_hwctx->nb_surfaces,
sizeof(*dst_hwctx->surface_ids));
if (!dst_hwctx->surface_ids)
return AVERROR(ENOMEM);
for (i = 0; i < src_hwctx->nb_surfaces; i++)
dst_hwctx->surface_ids[i] =
*(VASurfaceID*)src_hwctx->surfaces[i].Data.MemId;
dst_hwctx->nb_surfaces = src_hwctx->nb_surfaces;
}
break;
#endif
#if CONFIG_DXVA2
case AV_HWDEVICE_TYPE_DXVA2:
{
AVDXVA2FramesContext *dst_hwctx = dst_ctx->hwctx;
dst_hwctx->surfaces = av_mallocz_array(src_hwctx->nb_surfaces,
sizeof(*dst_hwctx->surfaces));
if (!dst_hwctx->surfaces)
return AVERROR(ENOMEM);
for (i = 0; i < src_hwctx->nb_surfaces; i++)
dst_hwctx->surfaces[i] =
(IDirect3DSurface9*)src_hwctx->surfaces[i].Data.MemId;
dst_hwctx->nb_surfaces = src_hwctx->nb_surfaces;
if (src_hwctx->frame_type == MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET)
dst_hwctx->surface_type = DXVA2_VideoDecoderRenderTarget;
else
dst_hwctx->surface_type = DXVA2_VideoProcessorRenderTarget;
}
break;
#endif
default:
return AVERROR(ENOSYS);
}
return 0;
}
static int tee_write_header(AVFormatContext *avf)
{
TeeContext *tee = avf->priv_data;
unsigned nb_slaves = 0, i;
const char *filename = avf->filename;
char **slaves = NULL;
int ret;
while (*filename) {
char *slave = av_get_token(&filename, slave_delim);
if (!slave) {
ret = AVERROR(ENOMEM);
goto fail;
}
ret = av_dynarray_add_nofree(&slaves, &nb_slaves, slave);
if (ret < 0) {
av_free(slave);
goto fail;
}
if (strspn(filename, slave_delim))
filename++;
}
if (!(tee->slaves = av_mallocz_array(nb_slaves, sizeof(*tee->slaves)))) {
ret = AVERROR(ENOMEM);
goto fail;
}
tee->nb_slaves = tee->nb_alive = nb_slaves;
for (i = 0; i < nb_slaves; i++) {
if ((ret = open_slave(avf, slaves[i], &tee->slaves[i])) < 0) {
ret = tee_process_slave_failure(avf, i, ret);
if (ret < 0)
goto fail;
} else {
log_slave(&tee->slaves[i], avf, AV_LOG_VERBOSE);
}
av_freep(&slaves[i]);
}
for (i = 0; i < avf->nb_streams; i++) {
int j, mapped = 0;
for (j = 0; j < tee->nb_slaves; j++)
if (tee->slaves[j].avf)
mapped += tee->slaves[j].stream_map[i] >= 0;
if (!mapped)
av_log(avf, AV_LOG_WARNING, "Input stream #%d is not mapped "
"to any slave.\n", i);
}
av_free(slaves);
return 0;
fail:
for (i = 0; i < nb_slaves; i++)
av_freep(&slaves[i]);
close_slaves(avf);
av_free(slaves);
return ret;
}
static av_cold int qtrle_encode_init(AVCodecContext *avctx)
{
QtrleEncContext *s = avctx->priv_data;
if (av_image_check_size(avctx->width, avctx->height, 0, avctx) < 0) {
return AVERROR(EINVAL);
}
s->avctx=avctx;
s->logical_width=avctx->width;
switch (avctx->pix_fmt) {
case AV_PIX_FMT_GRAY8:
if (avctx->width % 4) {
av_log(avctx, AV_LOG_ERROR, "Width not being a multiple of 4 is not supported\n");
return AVERROR(EINVAL);
}
s->logical_width = avctx->width / 4;
s->pixel_size = 4;
break;
case AV_PIX_FMT_RGB555BE:
s->pixel_size = 2;
break;
case AV_PIX_FMT_RGB24:
s->pixel_size = 3;
break;
case AV_PIX_FMT_ARGB:
s->pixel_size = 4;
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unsupported colorspace.\n");
break;
}
avctx->bits_per_coded_sample = avctx->pix_fmt == AV_PIX_FMT_GRAY8 ? 40 : s->pixel_size*8;
s->rlecode_table = av_mallocz(s->logical_width);
s->skip_table = av_mallocz(s->logical_width);
s->length_table = av_mallocz_array(s->logical_width + 1, sizeof(int));
if (!s->skip_table || !s->length_table || !s->rlecode_table) {
av_log(avctx, AV_LOG_ERROR, "Error allocating memory.\n");
return AVERROR(ENOMEM);
}
s->previous_frame = av_frame_alloc();
if (!s->previous_frame) {
av_log(avctx, AV_LOG_ERROR, "Error allocating picture\n");
return AVERROR(ENOMEM);
}
s->max_buf_size = s->logical_width*s->avctx->height*s->pixel_size*2 /* image base material */
+ 15 /* header + footer */
+ s->avctx->height*2 /* skip code+rle end */
+ s->logical_width/MAX_RLE_BULK + 1 /* rle codes */;
return 0;
}
av_cold void ff_mlz_init_dict(void* context, MLZ *mlz) {
mlz->dict = av_mallocz_array(TABLE_SIZE, sizeof(*mlz->dict));
mlz->flush_code = FLUSH_CODE;
mlz->current_dic_index_max = DIC_INDEX_INIT;
mlz->dic_code_bit = CODE_BIT_INIT;
mlz->bump_code = (DIC_INDEX_INIT - 1);
mlz->next_code = FIRST_CODE;
mlz->freeze_flag = 0;
mlz->context = context;
}
static av_cold int atrac3p_decode_init(AVCodecContext *avctx)
{
ATRAC3PContext *ctx = avctx->priv_data;
int i, ch, ret;
if (!avctx->block_align) {
av_log(avctx, AV_LOG_ERROR, "block_align is not set\n");
return AVERROR(EINVAL);
}
ff_atrac3p_init_vlcs();
/* initialize IPQF */
ff_mdct_init(&ctx->ipqf_dct_ctx, 5, 1, 32.0 / 32768.0);
ff_atrac3p_init_imdct(avctx, &ctx->mdct_ctx);
ff_atrac_init_gain_compensation(&ctx->gainc_ctx, 6, 2);
ff_atrac3p_init_wave_synth();
if ((ret = set_channel_params(ctx, avctx)) < 0)
return ret;
ctx->my_channel_layout = avctx->channel_layout;
ctx->ch_units = av_mallocz_array(ctx->num_channel_blocks, sizeof(*ctx->ch_units));
ctx->fdsp = avpriv_float_dsp_alloc(avctx->flags & CODEC_FLAG_BITEXACT);
if (!ctx->ch_units || !ctx->fdsp) {
atrac3p_decode_close(avctx);
return AVERROR(ENOMEM);
}
for (i = 0; i < ctx->num_channel_blocks; i++) {
for (ch = 0; ch < 2; ch++) {
ctx->ch_units[i].channels[ch].ch_num = ch;
ctx->ch_units[i].channels[ch].wnd_shape = &ctx->ch_units[i].channels[ch].wnd_shape_hist[0][0];
ctx->ch_units[i].channels[ch].wnd_shape_prev = &ctx->ch_units[i].channels[ch].wnd_shape_hist[1][0];
ctx->ch_units[i].channels[ch].gain_data = &ctx->ch_units[i].channels[ch].gain_data_hist[0][0];
ctx->ch_units[i].channels[ch].gain_data_prev = &ctx->ch_units[i].channels[ch].gain_data_hist[1][0];
ctx->ch_units[i].channels[ch].tones_info = &ctx->ch_units[i].channels[ch].tones_info_hist[0][0];
ctx->ch_units[i].channels[ch].tones_info_prev = &ctx->ch_units[i].channels[ch].tones_info_hist[1][0];
}
ctx->ch_units[i].waves_info = &ctx->ch_units[i].wave_synth_hist[0];
ctx->ch_units[i].waves_info_prev = &ctx->ch_units[i].wave_synth_hist[1];
}
avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
return 0;
}
int avfilter_copy_buf_props(AVFrame *dst, const AVFilterBufferRef *src)
{
int planes, nb_channels;
if (!dst)
return AVERROR(EINVAL);
/* abort in case the src is NULL and dst is not, avoid inconsistent state in dst */
av_assert0(src);
memcpy(dst->data, src->data, sizeof(dst->data));
memcpy(dst->linesize, src->linesize, sizeof(dst->linesize));
dst->pts = src->pts;
dst->format = src->format;
av_frame_set_pkt_pos(dst, src->pos);
switch (src->type) {
case AVMEDIA_TYPE_VIDEO:
av_assert0(src->video);
dst->width = src->video->w;
dst->height = src->video->h;
dst->sample_aspect_ratio = src->video->sample_aspect_ratio;
dst->interlaced_frame = src->video->interlaced;
dst->top_field_first = src->video->top_field_first;
dst->key_frame = src->video->key_frame;
dst->pict_type = src->video->pict_type;
break;
case AVMEDIA_TYPE_AUDIO:
av_assert0(src->audio);
nb_channels = av_get_channel_layout_nb_channels(src->audio->channel_layout);
planes = av_sample_fmt_is_planar(src->format) ? nb_channels : 1;
if (planes > FF_ARRAY_ELEMS(dst->data)) {
dst->extended_data = av_mallocz_array(planes, sizeof(*dst->extended_data));
if (!dst->extended_data)
return AVERROR(ENOMEM);
memcpy(dst->extended_data, src->extended_data,
planes * sizeof(*dst->extended_data));
} else
dst->extended_data = dst->data;
dst->nb_samples = src->audio->nb_samples;
av_frame_set_sample_rate (dst, src->audio->sample_rate);
av_frame_set_channel_layout(dst, src->audio->channel_layout);
av_frame_set_channels (dst, src->audio->channels);
break;
default:
return AVERROR(EINVAL);
}
return 0;
}
static int compute_mask_matrix(cl_mem cl_mask_matrix, int step_x, int step_y)
{
int i, j, ret = 0;
uint32_t *mask_matrix, *mask_x, *mask_y;
size_t size_matrix = sizeof(uint32_t) * (2 * step_x + 1) * (2 * step_y + 1);
mask_x = av_mallocz_array(2 * step_x + 1, sizeof(uint32_t));
if (!mask_x) {
ret = AVERROR(ENOMEM);
goto end;
}
mask_y = av_mallocz_array(2 * step_y + 1, sizeof(uint32_t));
if (!mask_y) {
ret = AVERROR(ENOMEM);
goto end;
}
mask_matrix = av_mallocz(size_matrix);
if (!mask_matrix) {
ret = AVERROR(ENOMEM);
goto end;
}
ret = compute_mask(step_x, mask_x);
if (ret < 0)
goto end;
ret = compute_mask(step_y, mask_y);
if (ret < 0)
goto end;
for (j = 0; j < 2 * step_y + 1; j++) {
for (i = 0; i < 2 * step_x + 1; i++) {
mask_matrix[i + j * (2 * step_x + 1)] = mask_y[j] * mask_x[i];
}
}
ret = av_opencl_buffer_write(cl_mask_matrix, (uint8_t *)mask_matrix, size_matrix);
end:
av_freep(&mask_x);
av_freep(&mask_y);
av_freep(&mask_matrix);
return ret;
}
static av_cold int peak_init_writer(AVFormatContext *s)
{
WAVMuxContext *wav = s->priv_data;
AVCodecContext *enc = s->streams[0]->codec;
if (enc->codec_id != AV_CODEC_ID_PCM_S8 &&
enc->codec_id != AV_CODEC_ID_PCM_S16LE &&
enc->codec_id != AV_CODEC_ID_PCM_U8 &&
enc->codec_id != AV_CODEC_ID_PCM_U16LE) {
av_log(s, AV_LOG_ERROR, "%s codec not supported for Peak Chunk\n",
s->streams[0]->codec->codec ? s->streams[0]->codec->codec->name : "NONE");
return -1;
}
wav->peak_bps = av_get_bits_per_sample(enc->codec_id) / 8;
if (wav->peak_bps == 1 && wav->peak_format == PEAK_FORMAT_UINT16) {
av_log(s, AV_LOG_ERROR,
"Writing 16 bit peak for 8 bit audio does not make sense\n");
return AVERROR(EINVAL);
}
wav->peak_maxpos = av_mallocz_array(enc->channels, sizeof(*wav->peak_maxpos));
wav->peak_maxneg = av_mallocz_array(enc->channels, sizeof(*wav->peak_maxneg));
wav->peak_output = av_malloc(PEAK_BUFFER_SIZE);
if (!wav->peak_maxpos || !wav->peak_maxneg || !wav->peak_output)
goto nomem;
wav->peak_outbuf_size = PEAK_BUFFER_SIZE;
return 0;
nomem:
av_log(s, AV_LOG_ERROR, "Out of memory\n");
peak_free_buffers(s);
return AVERROR(ENOMEM);
}
static av_cold int program_opencl_init(AVFilterContext *avctx)
{
ProgramOpenCLContext *ctx = avctx->priv;
int err;
ff_opencl_filter_init(avctx);
ctx->ocf.output_width = ctx->width;
ctx->ocf.output_height = ctx->height;
if (!strcmp(avctx->filter->name, "openclsrc")) {
if (!ctx->ocf.output_width || !ctx->ocf.output_height) {
av_log(avctx, AV_LOG_ERROR, "OpenCL source requires output "
"dimensions to be specified.\n");
return AVERROR(EINVAL);
}
ctx->nb_inputs = 0;
ctx->ocf.output_format = ctx->source_format;
} else {
int i;
ctx->frames = av_mallocz_array(ctx->nb_inputs,
sizeof(*ctx->frames));
if (!ctx->frames)
return AVERROR(ENOMEM);
for (i = 0; i < ctx->nb_inputs; i++) {
AVFilterPad input;
memset(&input, 0, sizeof(input));
input.type = AVMEDIA_TYPE_VIDEO;
input.name = av_asprintf("input%d", i);
if (!input.name)
return AVERROR(ENOMEM);
input.config_props = &ff_opencl_filter_config_input;
err = ff_insert_inpad(avctx, i, &input);
if (err < 0) {
av_freep(&input.name);
return err;
}
}
}
return 0;
}
static int compute_mask(int step, uint32_t *mask)
{
int i, z, ret = 0;
int counter_size = sizeof(uint32_t) * (2 * step + 1);
uint32_t *temp1_counter, *temp2_counter, **counter;
temp1_counter = av_mallocz(counter_size);
if (!temp1_counter) {
ret = AVERROR(ENOMEM);
goto end;
}
temp2_counter = av_mallocz(counter_size);
if (!temp2_counter) {
ret = AVERROR(ENOMEM);
goto end;
}
counter = av_mallocz_array(2 * step + 1, sizeof(uint32_t *));
if (!counter) {
ret = AVERROR(ENOMEM);
goto end;
}
for (i = 0; i < 2 * step + 1; i++) {
counter[i] = av_mallocz(counter_size);
if (!counter[i]) {
ret = AVERROR(ENOMEM);
goto end;
}
}
for (i = 0; i < 2 * step + 1; i++) {
memset(temp1_counter, 0, counter_size);
temp1_counter[i] = 1;
for (z = 0; z < step * 2; z += 2) {
add_mask_counter(temp2_counter, counter[z], temp1_counter, step * 2);
memcpy(counter[z], temp1_counter, counter_size);
add_mask_counter(temp1_counter, counter[z + 1], temp2_counter, step * 2);
memcpy(counter[z + 1], temp2_counter, counter_size);
}
}
memcpy(mask, temp1_counter, counter_size);
end:
av_freep(&temp1_counter);
av_freep(&temp2_counter);
for (i = 0; i < 2 * step + 1; i++) {
av_freep(&counter[i]);
}
av_freep(&counter);
return ret;
}
static int config_input_ref(AVFilterLink *inlink)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
AVFilterContext *ctx = inlink->dst;
SSIMContext *s = ctx->priv;
int sum = 0, i;
s->nb_components = desc->nb_components;
if (ctx->inputs[0]->w != ctx->inputs[1]->w ||
ctx->inputs[0]->h != ctx->inputs[1]->h) {
av_log(ctx, AV_LOG_ERROR, "Width and height of input videos must be same.\n");
return AVERROR(EINVAL);
}
if (ctx->inputs[0]->format != ctx->inputs[1]->format) {
av_log(ctx, AV_LOG_ERROR, "Inputs must be of same pixel format.\n");
return AVERROR(EINVAL);
}
s->is_rgb = ff_fill_rgba_map(s->rgba_map, inlink->format) >= 0;
s->comps[0] = s->is_rgb ? 'R' : 'Y';
s->comps[1] = s->is_rgb ? 'G' : 'U';
s->comps[2] = s->is_rgb ? 'B' : 'V';
s->comps[3] = 'A';
s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
s->planeheight[0] = s->planeheight[3] = inlink->h;
s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
s->planewidth[0] = s->planewidth[3] = inlink->w;
for (i = 0; i < s->nb_components; i++)
sum += s->planeheight[i] * s->planewidth[i];
for (i = 0; i < s->nb_components; i++)
s->coefs[i] = (double) s->planeheight[i] * s->planewidth[i] / sum;
s->temp = av_mallocz_array(2 * SUM_LEN(inlink->w), (desc->comp[0].depth > 8) ? sizeof(int64_t[4]) : sizeof(int[4]));
if (!s->temp)
return AVERROR(ENOMEM);
s->max = (1 << desc->comp[0].depth) - 1;
s->ssim_plane = desc->comp[0].depth > 8 ? ssim_plane_16bit : ssim_plane;
s->dsp.ssim_4x4_line = ssim_4x4xn_8bit;
s->dsp.ssim_end_line = ssim_endn_8bit;
if (ARCH_X86)
ff_ssim_init_x86(&s->dsp);
return 0;
}
static av_cold int init(AVFilterContext *ctx)
{
MixContext *s = ctx->priv;
char *p, *arg, *saveptr = NULL;
float last_weight = 1.f;
int i, ret;
for (i = 0; i < s->nb_inputs; i++) {
AVFilterPad pad = { 0 };
pad.type = AVMEDIA_TYPE_AUDIO;
pad.name = av_asprintf("input%d", i);
if (!pad.name)
return AVERROR(ENOMEM);
if ((ret = ff_insert_inpad(ctx, i, &pad)) < 0) {
av_freep(&pad.name);
return ret;
}
}
s->fdsp = avpriv_float_dsp_alloc(0);
if (!s->fdsp)
return AVERROR(ENOMEM);
s->weights = av_mallocz_array(s->nb_inputs, sizeof(*s->weights));
if (!s->weights)
return AVERROR(ENOMEM);
p = s->weights_str;
for (i = 0; i < s->nb_inputs; i++) {
if (!(arg = av_strtok(p, " ", &saveptr)))
break;
p = NULL;
sscanf(arg, "%f", &last_weight);
s->weights[i] = last_weight;
s->weight_sum += last_weight;
}
for (; i < s->nb_inputs; i++) {
s->weights[i] = last_weight;
s->weight_sum += last_weight;
}
return 0;
}
static int qsv_init_pool(AVHWFramesContext *ctx, uint32_t fourcc)
{
QSVFramesContext *s = ctx->internal->priv;
AVQSVFramesContext *frames_hwctx = ctx->hwctx;
int i, ret = 0;
if (ctx->initial_pool_size <= 0) {
av_log(ctx, AV_LOG_ERROR, "QSV requires a fixed frame pool size\n");
return AVERROR(EINVAL);
}
s->surfaces_internal = av_mallocz_array(ctx->initial_pool_size,
sizeof(*s->surfaces_internal));
if (!s->surfaces_internal)
return AVERROR(ENOMEM);
for (i = 0; i < ctx->initial_pool_size; i++) {
ret = qsv_init_surface(ctx, &s->surfaces_internal[i]);
if (ret < 0)
return ret;
}
if (!(frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME)) {
ret = qsv_init_child_ctx(ctx);
if (ret < 0)
return ret;
}
ctx->internal->pool_internal = av_buffer_pool_init2(sizeof(mfxFrameSurface1),
ctx, qsv_pool_alloc, NULL);
if (!ctx->internal->pool_internal)
return AVERROR(ENOMEM);
frames_hwctx->surfaces = s->surfaces_internal;
frames_hwctx->nb_surfaces = ctx->initial_pool_size;
return 0;
}
static int config_input(AVFilterLink *inlink)
{
MEContext *s = inlink->dst->priv;
int i;
s->log2_mb_size = av_ceil_log2_c(s->mb_size);
s->mb_size = 1 << s->log2_mb_size;
s->b_width = inlink->w >> s->log2_mb_size;
s->b_height = inlink->h >> s->log2_mb_size;
s->b_count = s->b_width * s->b_height;
for (i = 0; i < 3; i++) {
s->mv_table[i] = av_mallocz_array(s->b_count, sizeof(*s->mv_table[0]));
if (!s->mv_table[i])
return AVERROR(ENOMEM);
}
ff_me_init_context(&s->me_ctx, s->mb_size, s->search_param, inlink->w, inlink->h, 0, (s->b_width - 1) << s->log2_mb_size, 0, (s->b_height - 1) << s->log2_mb_size);
return 0;
}
AVEncryptionInfo *av_encryption_info_alloc(uint32_t subsample_count, uint32_t key_id_size, uint32_t iv_size)
{
AVEncryptionInfo *info;
info = av_mallocz(sizeof(*info));
if (!info)
return NULL;
info->key_id = av_mallocz(key_id_size);
info->key_id_size = key_id_size;
info->iv = av_mallocz(iv_size);
info->iv_size = iv_size;
info->subsamples = av_mallocz_array(subsample_count, sizeof(*info->subsamples));
info->subsample_count = subsample_count;
// Allow info->subsamples to be NULL if there are no subsamples.
if (!info->key_id || !info->iv || (!info->subsamples && subsample_count)) {
av_encryption_info_free(info);
return NULL;
}
return info;
}