*/
#include <float.h>
+
#include "avcodec.h"
-#include "dsputil.h"
+#include "internal.h"
#include "fft.h"
+#include "mathops.h"
#include "vorbis.h"
#include "vorbis_enc_data.h"
#undef NDEBUG
#include <assert.h>
-typedef struct {
+typedef struct vorbis_enc_codebook {
int nentries;
uint8_t *lens;
uint32_t *codewords;
- int ndimentions;
+ int ndimensions;
float min;
float delta;
int seq_p;
int lookup;
int *quantlist;
- float *dimentions;
+ float *dimensions;
float *pow2;
} vorbis_enc_codebook;
-typedef struct {
+typedef struct vorbis_enc_floor_class {
int dim;
int subclass;
int masterbook;
int *books;
} vorbis_enc_floor_class;
-typedef struct {
+typedef struct vorbis_enc_floor {
int partitions;
int *partition_to_class;
int nclasses;
vorbis_floor1_entry *list;
} vorbis_enc_floor;
-typedef struct {
+typedef struct vorbis_enc_residue {
int type;
int begin;
int end;
float (*maxes)[2];
} vorbis_enc_residue;
-typedef struct {
+typedef struct vorbis_enc_mapping {
int submaps;
int *mux;
int *floor;
int *angle;
} vorbis_enc_mapping;
-typedef struct {
+typedef struct vorbis_enc_mode {
int blockflag;
int mapping;
} vorbis_enc_mode;
-typedef struct {
+typedef struct vorbis_enc_context {
int channels;
int sample_rate;
int log2_blocksize[2];
int nmodes;
vorbis_enc_mode *modes;
- int64_t sample_count;
+ int64_t next_pts;
} vorbis_enc_context;
#define MAX_CHANNELS 2
#define RESIDUE_PART_SIZE 32
#define NUM_RESIDUE_PARTITIONS (RESIDUE_SIZE/RESIDUE_PART_SIZE)
-static inline void put_codeword(PutBitContext *pb, vorbis_enc_codebook *cb,
- int entry)
+static inline int put_codeword(PutBitContext *pb, vorbis_enc_codebook *cb,
+ int entry)
{
assert(entry >= 0);
assert(entry < cb->nentries);
assert(cb->lens[entry]);
+ if (pb->size_in_bits - put_bits_count(pb) < cb->lens[entry])
+ return AVERROR(EINVAL);
put_bits(pb, cb->lens[entry], cb->codewords[entry]);
+ return 0;
}
-static int cb_lookup_vals(int lookup, int dimentions, int entries)
+static int cb_lookup_vals(int lookup, int dimensions, int entries)
{
if (lookup == 1)
- return ff_vorbis_nth_root(entries, dimentions);
+ return ff_vorbis_nth_root(entries, dimensions);
else if (lookup == 2)
- return dimentions *entries;
+ return dimensions *entries;
return 0;
}
-static void ready_codebook(vorbis_enc_codebook *cb)
+static int ready_codebook(vorbis_enc_codebook *cb)
{
int i;
ff_vorbis_len2vlc(cb->lens, cb->codewords, cb->nentries);
if (!cb->lookup) {
- cb->pow2 = cb->dimentions = NULL;
+ cb->pow2 = cb->dimensions = NULL;
} else {
- int vals = cb_lookup_vals(cb->lookup, cb->ndimentions, cb->nentries);
- cb->dimentions = av_malloc(sizeof(float) * cb->nentries * cb->ndimentions);
+ int vals = cb_lookup_vals(cb->lookup, cb->ndimensions, cb->nentries);
+ cb->dimensions = av_malloc(sizeof(float) * cb->nentries * cb->ndimensions);
cb->pow2 = av_mallocz(sizeof(float) * cb->nentries);
+ if (!cb->dimensions || !cb->pow2)
+ return AVERROR(ENOMEM);
for (i = 0; i < cb->nentries; i++) {
float last = 0;
int j;
int div = 1;
- for (j = 0; j < cb->ndimentions; j++) {
+ for (j = 0; j < cb->ndimensions; j++) {
int off;
if (cb->lookup == 1)
off = (i / div) % vals; // lookup type 1
else
- off = i * cb->ndimentions + j; // lookup type 2
+ off = i * cb->ndimensions + j; // lookup type 2
- cb->dimentions[i * cb->ndimentions + j] = last + cb->min + cb->quantlist[off] * cb->delta;
+ cb->dimensions[i * cb->ndimensions + j] = last + cb->min + cb->quantlist[off] * cb->delta;
if (cb->seq_p)
- last = cb->dimentions[i * cb->ndimentions + j];
- cb->pow2[i] += cb->dimentions[i * cb->ndimentions + j] * cb->dimentions[i * cb->ndimentions + j];
+ last = cb->dimensions[i * cb->ndimensions + j];
+ cb->pow2[i] += cb->dimensions[i * cb->ndimensions + j] * cb->dimensions[i * cb->ndimensions + j];
div *= vals;
}
- cb->pow2[i] /= 2.;
+ cb->pow2[i] /= 2.0;
}
}
+ return 0;
}
-static void ready_residue(vorbis_enc_residue *rc, vorbis_enc_context *venc)
+static int ready_residue(vorbis_enc_residue *rc, vorbis_enc_context *venc)
{
int i;
assert(rc->type == 2);
rc->maxes = av_mallocz(sizeof(float[2]) * rc->classifications);
+ if (!rc->maxes)
+ return AVERROR(ENOMEM);
for (i = 0; i < rc->classifications; i++) {
int j;
vorbis_enc_codebook * cb;
if (j == 8) // zero
continue;
cb = &venc->codebooks[rc->books[i][j]];
- assert(cb->ndimentions >= 2);
+ assert(cb->ndimensions >= 2);
assert(cb->lookup);
for (j = 0; j < cb->nentries; j++) {
float a;
if (!cb->lens[j])
continue;
- a = fabs(cb->dimentions[j * cb->ndimentions]);
+ a = fabs(cb->dimensions[j * cb->ndimensions]);
if (a > rc->maxes[i][0])
rc->maxes[i][0] = a;
- a = fabs(cb->dimentions[j * cb->ndimentions + 1]);
+ a = fabs(cb->dimensions[j * cb->ndimensions + 1]);
if (a > rc->maxes[i][1])
rc->maxes[i][1] = a;
}
rc->maxes[i][0] += 0.8;
rc->maxes[i][1] += 0.8;
}
+ return 0;
}
-static void create_vorbis_context(vorbis_enc_context *venc,
- AVCodecContext *avccontext)
+static int create_vorbis_context(vorbis_enc_context *venc,
+ AVCodecContext *avctx)
{
vorbis_enc_floor *fc;
vorbis_enc_residue *rc;
vorbis_enc_mapping *mc;
- int i, book;
+ int i, book, ret;
- venc->channels = avccontext->channels;
- venc->sample_rate = avccontext->sample_rate;
+ venc->channels = avctx->channels;
+ venc->sample_rate = avctx->sample_rate;
venc->log2_blocksize[0] = venc->log2_blocksize[1] = 11;
venc->ncodebooks = FF_ARRAY_ELEMS(cvectors);
venc->codebooks = av_malloc(sizeof(vorbis_enc_codebook) * venc->ncodebooks);
+ if (!venc->codebooks)
+ return AVERROR(ENOMEM);
// codebook 0..14 - floor1 book, values 0..255
// codebook 15 residue masterbook
for (book = 0; book < venc->ncodebooks; book++) {
vorbis_enc_codebook *cb = &venc->codebooks[book];
int vals;
- cb->ndimentions = cvectors[book].dim;
+ cb->ndimensions = cvectors[book].dim;
cb->nentries = cvectors[book].real_len;
cb->min = cvectors[book].min;
cb->delta = cvectors[book].delta;
cb->lens = av_malloc(sizeof(uint8_t) * cb->nentries);
cb->codewords = av_malloc(sizeof(uint32_t) * cb->nentries);
+ if (!cb->lens || !cb->codewords)
+ return AVERROR(ENOMEM);
memcpy(cb->lens, cvectors[book].clens, cvectors[book].len);
memset(cb->lens + cvectors[book].len, 0, cb->nentries - cvectors[book].len);
if (cb->lookup) {
- vals = cb_lookup_vals(cb->lookup, cb->ndimentions, cb->nentries);
+ vals = cb_lookup_vals(cb->lookup, cb->ndimensions, cb->nentries);
cb->quantlist = av_malloc(sizeof(int) * vals);
+ if (!cb->quantlist)
+ return AVERROR(ENOMEM);
for (i = 0; i < vals; i++)
cb->quantlist[i] = cvectors[book].quant[i];
} else {
cb->quantlist = NULL;
}
- ready_codebook(cb);
+ if ((ret = ready_codebook(cb)) < 0)
+ return ret;
}
venc->nfloors = 1;
venc->floors = av_malloc(sizeof(vorbis_enc_floor) * venc->nfloors);
+ if (!venc->floors)
+ return AVERROR(ENOMEM);
// just 1 floor
fc = &venc->floors[0];
fc->partitions = NUM_FLOOR_PARTITIONS;
fc->partition_to_class = av_malloc(sizeof(int) * fc->partitions);
+ if (!fc->partition_to_class)
+ return AVERROR(ENOMEM);
fc->nclasses = 0;
for (i = 0; i < fc->partitions; i++) {
static const int a[] = {0, 1, 2, 2, 3, 3, 4, 4};
}
fc->nclasses++;
fc->classes = av_malloc(sizeof(vorbis_enc_floor_class) * fc->nclasses);
+ if (!fc->classes)
+ return AVERROR(ENOMEM);
for (i = 0; i < fc->nclasses; i++) {
vorbis_enc_floor_class * c = &fc->classes[i];
int j, books;
c->masterbook = floor_classes[i].masterbook;
books = (1 << c->subclass);
c->books = av_malloc(sizeof(int) * books);
+ if (!c->books)
+ return AVERROR(ENOMEM);
for (j = 0; j < books; j++)
c->books[j] = floor_classes[i].nbooks[j];
}
fc->values += fc->classes[fc->partition_to_class[i]].dim;
fc->list = av_malloc(sizeof(vorbis_floor1_entry) * fc->values);
+ if (!fc->list)
+ return AVERROR(ENOMEM);
fc->list[0].x = 0;
fc->list[1].x = 1 << fc->rangebits;
for (i = 2; i < fc->values; i++) {
};
fc->list[i].x = a[i - 2];
}
- ff_vorbis_ready_floor1_list(fc->list, fc->values);
+ if (ff_vorbis_ready_floor1_list(avctx, fc->list, fc->values))
+ return AVERROR_BUG;
venc->nresidues = 1;
venc->residues = av_malloc(sizeof(vorbis_enc_residue) * venc->nresidues);
+ if (!venc->residues)
+ return AVERROR(ENOMEM);
// single residue
rc = &venc->residues[0];
rc->classifications = 10;
rc->classbook = 15;
rc->books = av_malloc(sizeof(*rc->books) * rc->classifications);
+ if (!rc->books)
+ return AVERROR(ENOMEM);
{
static const int8_t a[10][8] = {
{ -1, -1, -1, -1, -1, -1, -1, -1, },
};
memcpy(rc->books, a, sizeof a);
}
- ready_residue(rc, venc);
+ if ((ret = ready_residue(rc, venc)) < 0)
+ return ret;
venc->nmappings = 1;
venc->mappings = av_malloc(sizeof(vorbis_enc_mapping) * venc->nmappings);
+ if (!venc->mappings)
+ return AVERROR(ENOMEM);
// single mapping
mc = &venc->mappings[0];
mc->submaps = 1;
mc->mux = av_malloc(sizeof(int) * venc->channels);
+ if (!mc->mux)
+ return AVERROR(ENOMEM);
for (i = 0; i < venc->channels; i++)
mc->mux[i] = 0;
mc->floor = av_malloc(sizeof(int) * mc->submaps);
mc->residue = av_malloc(sizeof(int) * mc->submaps);
+ if (!mc->floor || !mc->residue)
+ return AVERROR(ENOMEM);
for (i = 0; i < mc->submaps; i++) {
mc->floor[i] = 0;
mc->residue[i] = 0;
mc->coupling_steps = venc->channels == 2 ? 1 : 0;
mc->magnitude = av_malloc(sizeof(int) * mc->coupling_steps);
mc->angle = av_malloc(sizeof(int) * mc->coupling_steps);
+ if (!mc->magnitude || !mc->angle)
+ return AVERROR(ENOMEM);
if (mc->coupling_steps) {
mc->magnitude[0] = 0;
mc->angle[0] = 1;
venc->nmodes = 1;
venc->modes = av_malloc(sizeof(vorbis_enc_mode) * venc->nmodes);
+ if (!venc->modes)
+ return AVERROR(ENOMEM);
// single mode
venc->modes[0].blockflag = 0;
venc->samples = av_malloc(sizeof(float) * venc->channels * (1 << venc->log2_blocksize[1]));
venc->floor = av_malloc(sizeof(float) * venc->channels * (1 << venc->log2_blocksize[1]) / 2);
venc->coeffs = av_malloc(sizeof(float) * venc->channels * (1 << venc->log2_blocksize[1]) / 2);
+ if (!venc->saved || !venc->samples || !venc->floor || !venc->coeffs)
+ return AVERROR(ENOMEM);
venc->win[0] = ff_vorbis_vwin[venc->log2_blocksize[0] - 6];
venc->win[1] = ff_vorbis_vwin[venc->log2_blocksize[1] - 6];
- ff_mdct_init(&venc->mdct[0], venc->log2_blocksize[0], 0, 1.0);
- ff_mdct_init(&venc->mdct[1], venc->log2_blocksize[1], 0, 1.0);
+ if ((ret = ff_mdct_init(&venc->mdct[0], venc->log2_blocksize[0], 0, 1.0)) < 0)
+ return ret;
+ if ((ret = ff_mdct_init(&venc->mdct[1], venc->log2_blocksize[1], 0, 1.0)) < 0)
+ return ret;
+
+ return 0;
}
static void put_float(PutBitContext *pb, float f)
int ordered = 0;
put_bits(pb, 24, 0x564342); //magic
- put_bits(pb, 16, cb->ndimentions);
+ put_bits(pb, 16, cb->ndimensions);
put_bits(pb, 24, cb->nentries);
for (i = 1; i < cb->nentries; i++)
put_bits(pb, 4, cb->lookup);
if (cb->lookup) {
- int tmp = cb_lookup_vals(cb->lookup, cb->ndimentions, cb->nentries);
+ int tmp = cb_lookup_vals(cb->lookup, cb->ndimensions, cb->nentries);
int bits = ilog(cb->quantlist[0]);
for (i = 1; i < tmp; i++)
len = hlens[0] + hlens[1] + hlens[2];
p = *out = av_mallocz(64 + len + len/255);
+ if (!p)
+ return AVERROR(ENOMEM);
*p++ = 2;
p += av_xiphlacing(p, hlens[0]);
{
int range = 255 / fc->multiplier + 1;
int i;
- float tot_average = 0.;
+ float tot_average = 0.0;
float averages[MAX_FLOOR_VALUES];
for (i = 0; i < fc->values; i++) {
averages[i] = get_floor_average(fc, coeffs, i);
return y0 + (x - x0) * (y1 - y0) / (x1 - x0);
}
-static void floor_encode(vorbis_enc_context *venc, vorbis_enc_floor *fc,
- PutBitContext *pb, uint16_t *posts,
- float *floor, int samples)
+static int floor_encode(vorbis_enc_context *venc, vorbis_enc_floor *fc,
+ PutBitContext *pb, uint16_t *posts,
+ float *floor, int samples)
{
int range = 255 / fc->multiplier + 1;
int coded[MAX_FLOOR_VALUES]; // first 2 values are unused
int i, counter;
+ if (pb->size_in_bits - put_bits_count(pb) < 1 + 2 * ilog(range - 1))
+ return AVERROR(EINVAL);
put_bits(pb, 1, 1); // non zero
put_bits(pb, ilog(range - 1), posts[0]);
put_bits(pb, ilog(range - 1), posts[1]);
cval |= l << cshift;
cshift += c->subclass;
}
- put_codeword(pb, book, cval);
+ if (put_codeword(pb, book, cval))
+ return AVERROR(EINVAL);
}
for (k = 0; k < c->dim; k++) {
int book = c->books[cval & (csub-1)];
continue;
if (entry == -1)
entry = 0;
- put_codeword(pb, &venc->codebooks[book], entry);
+ if (put_codeword(pb, &venc->codebooks[book], entry))
+ return AVERROR(EINVAL);
}
}
ff_vorbis_floor1_render_list(fc->list, fc->values, posts, coded,
fc->multiplier, floor, samples);
+
+ return 0;
}
static float *put_vector(vorbis_enc_codebook *book, PutBitContext *pb,
{
int i, entry = -1;
float distance = FLT_MAX;
- assert(book->dimentions);
+ assert(book->dimensions);
for (i = 0; i < book->nentries; i++) {
- float * vec = book->dimentions + i * book->ndimentions, d = book->pow2[i];
+ float * vec = book->dimensions + i * book->ndimensions, d = book->pow2[i];
int j;
if (!book->lens[i])
continue;
- for (j = 0; j < book->ndimentions; j++)
+ for (j = 0; j < book->ndimensions; j++)
d -= vec[j] * num[j];
if (distance > d) {
entry = i;
distance = d;
}
}
- put_codeword(pb, book, entry);
- return &book->dimentions[entry * book->ndimentions];
+ if (put_codeword(pb, book, entry))
+ return NULL;
+ return &book->dimensions[entry * book->ndimensions];
}
-static void residue_encode(vorbis_enc_context *venc, vorbis_enc_residue *rc,
- PutBitContext *pb, float *coeffs, int samples,
- int real_ch)
+static int residue_encode(vorbis_enc_context *venc, vorbis_enc_residue *rc,
+ PutBitContext *pb, float *coeffs, int samples,
+ int real_ch)
{
int pass, i, j, p, k;
int psize = rc->partition_size;
int partitions = (rc->end - rc->begin) / psize;
int channels = (rc->type == 2) ? 1 : real_ch;
int classes[MAX_CHANNELS][NUM_RESIDUE_PARTITIONS];
- int classwords = venc->codebooks[rc->classbook].ndimentions;
+ int classwords = venc->codebooks[rc->classbook].ndimensions;
assert(rc->type == 2);
assert(real_ch == 2);
for (p = 0; p < partitions; p++) {
- float max1 = 0., max2 = 0.;
+ float max1 = 0.0, max2 = 0.0;
int s = rc->begin + p * psize;
for (k = s; k < s + psize; k += 2) {
max1 = FFMAX(max1, fabs(coeffs[ k / real_ch]));
entry *= rc->classifications;
entry += classes[j][p + i];
}
- put_codeword(pb, book, entry);
+ if (put_codeword(pb, book, entry))
+ return AVERROR(EINVAL);
}
for (i = 0; i < classwords && p < partitions; i++, p++) {
for (j = 0; j < channels; j++) {
continue;
assert(rc->type == 0 || rc->type == 2);
- assert(!(psize % book->ndimentions));
+ assert(!(psize % book->ndimensions));
if (rc->type == 0) {
- for (k = 0; k < psize; k += book->ndimentions) {
- float *a = put_vector(book, pb, &buf[k]);
+ for (k = 0; k < psize; k += book->ndimensions) {
int l;
- for (l = 0; l < book->ndimentions; l++)
+ float *a = put_vector(book, pb, &buf[k]);
+ if (!a)
+ return AVERROR(EINVAL);
+ for (l = 0; l < book->ndimensions; l++)
buf[k + l] -= a[l];
}
} else {
a1 = (s % real_ch) * samples;
b1 = s / real_ch;
s = real_ch * samples;
- for (k = 0; k < psize; k += book->ndimentions) {
+ for (k = 0; k < psize; k += book->ndimensions) {
int dim, a2 = a1, b2 = b1;
float vec[MAX_CODEBOOK_DIM], *pv = vec;
- for (dim = book->ndimentions; dim--; ) {
+ for (dim = book->ndimensions; dim--; ) {
*pv++ = coeffs[a2 + b2];
if ((a2 += samples) == s) {
a2 = 0;
}
}
pv = put_vector(book, pb, vec);
- for (dim = book->ndimentions; dim--; ) {
+ if (!pv)
+ return AVERROR(EINVAL);
+ for (dim = book->ndimensions; dim--; ) {
coeffs[a1 + b1] -= *pv++;
if ((a1 += samples) == s) {
a1 = 0;
}
}
}
+ return 0;
}
-static int apply_window_and_mdct(vorbis_enc_context *venc, const signed short *audio,
- int samples)
+static int apply_window_and_mdct(vorbis_enc_context *venc,
+ float **audio, int samples)
{
- int i, j, channel;
+ int i, channel;
const float * win = venc->win[0];
int window_len = 1 << (venc->log2_blocksize[0] - 1);
- float n = (float)(1 << venc->log2_blocksize[0]) / 4.;
+ float n = (float)(1 << venc->log2_blocksize[0]) / 4.0;
// FIXME use dsp
if (!venc->have_saved && !samples)
if (samples) {
for (channel = 0; channel < venc->channels; channel++) {
float * offset = venc->samples + channel*window_len*2 + window_len;
- j = channel;
- for (i = 0; i < samples; i++, j += venc->channels)
- offset[i] = audio[j] / 32768. / n * win[window_len - i - 1];
+ for (i = 0; i < samples; i++)
+ offset[i] = audio[channel][i] / n * win[window_len - i - 1];
}
} else {
for (channel = 0; channel < venc->channels; channel++)
if (samples) {
for (channel = 0; channel < venc->channels; channel++) {
float *offset = venc->saved + channel * window_len;
- j = channel;
- for (i = 0; i < samples; i++, j += venc->channels)
- offset[i] = audio[j] / 32768. / n * win[i];
+ for (i = 0; i < samples; i++)
+ offset[i] = audio[channel][i] / n * win[i];
}
venc->have_saved = 1;
} else {
return 1;
}
-static av_cold int vorbis_encode_init(AVCodecContext *avccontext)
-{
- vorbis_enc_context *venc = avccontext->priv_data;
-
- if (avccontext->channels != 2) {
- av_log(avccontext, AV_LOG_ERROR, "Current Libav Vorbis encoder only supports 2 channels.\n");
- return -1;
- }
-
- create_vorbis_context(venc, avccontext);
-
- if (avccontext->flags & CODEC_FLAG_QSCALE)
- venc->quality = avccontext->global_quality / (float)FF_QP2LAMBDA / 10.;
- else
- venc->quality = 0.03;
- venc->quality *= venc->quality;
-
- avccontext->extradata_size = put_main_header(venc, (uint8_t**)&avccontext->extradata);
- avccontext->frame_size = 1 << (venc->log2_blocksize[0] - 1);
-
- avccontext->coded_frame = avcodec_alloc_frame();
- avccontext->coded_frame->key_frame = 1;
-
- return 0;
-}
-
-static int vorbis_encode_frame(AVCodecContext *avccontext,
- unsigned char *packets,
- int buf_size, void *data)
+static int vorbis_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
+ const AVFrame *frame, int *got_packet_ptr)
{
- vorbis_enc_context *venc = avccontext->priv_data;
- const signed short *audio = data;
- int samples = data ? avccontext->frame_size : 0;
+ vorbis_enc_context *venc = avctx->priv_data;
+ float **audio = frame ? (float **)frame->extended_data : NULL;
+ int samples = frame ? frame->nb_samples : 0;
vorbis_enc_mode *mode;
vorbis_enc_mapping *mapping;
PutBitContext pb;
- int i;
+ int i, ret;
if (!apply_window_and_mdct(venc, audio, samples))
return 0;
samples = 1 << (venc->log2_blocksize[0] - 1);
- init_put_bits(&pb, packets, buf_size);
+ if ((ret = ff_alloc_packet(avpkt, 8192))) {
+ av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
+ return ret;
+ }
+
+ init_put_bits(&pb, avpkt->data, avpkt->size);
+
+ if (pb.size_in_bits - put_bits_count(&pb) < 1 + ilog(venc->nmodes - 1)) {
+ av_log(avctx, AV_LOG_ERROR, "output buffer is too small\n");
+ return AVERROR(EINVAL);
+ }
put_bits(&pb, 1, 0); // magic bit
vorbis_enc_floor *fc = &venc->floors[mapping->floor[mapping->mux[i]]];
uint16_t posts[MAX_FLOOR_VALUES];
floor_fit(venc, fc, &venc->coeffs[i * samples], posts, samples);
- floor_encode(venc, fc, &pb, posts, &venc->floor[i * samples], samples);
+ if (floor_encode(venc, fc, &pb, posts, &venc->floor[i * samples], samples)) {
+ av_log(avctx, AV_LOG_ERROR, "output buffer is too small\n");
+ return AVERROR(EINVAL);
+ }
}
for (i = 0; i < venc->channels * samples; i++)
}
}
- residue_encode(venc, &venc->residues[mapping->residue[mapping->mux[0]]],
- &pb, venc->coeffs, samples, venc->channels);
+ if (residue_encode(venc, &venc->residues[mapping->residue[mapping->mux[0]]],
+ &pb, venc->coeffs, samples, venc->channels)) {
+ av_log(avctx, AV_LOG_ERROR, "output buffer is too small\n");
+ return AVERROR(EINVAL);
+ }
- avccontext->coded_frame->pts = venc->sample_count;
- venc->sample_count += avccontext->frame_size;
flush_put_bits(&pb);
- return put_bits_count(&pb) >> 3;
+ avpkt->size = put_bits_count(&pb) >> 3;
+
+ avpkt->duration = ff_samples_to_time_base(avctx, avctx->frame_size);
+ if (frame) {
+ if (frame->pts != AV_NOPTS_VALUE)
+ avpkt->pts = ff_samples_to_time_base(avctx, frame->pts);
+ } else {
+ avpkt->pts = venc->next_pts;
+ }
+ if (avpkt->pts != AV_NOPTS_VALUE)
+ venc->next_pts = avpkt->pts + avpkt->duration;
+
+ *got_packet_ptr = 1;
+ return 0;
}
-static av_cold int vorbis_encode_close(AVCodecContext *avccontext)
+static av_cold int vorbis_encode_close(AVCodecContext *avctx)
{
- vorbis_enc_context *venc = avccontext->priv_data;
+ vorbis_enc_context *venc = avctx->priv_data;
int i;
if (venc->codebooks)
av_freep(&venc->codebooks[i].lens);
av_freep(&venc->codebooks[i].codewords);
av_freep(&venc->codebooks[i].quantlist);
- av_freep(&venc->codebooks[i].dimentions);
+ av_freep(&venc->codebooks[i].dimensions);
av_freep(&venc->codebooks[i].pow2);
}
av_freep(&venc->codebooks);
ff_mdct_end(&venc->mdct[0]);
ff_mdct_end(&venc->mdct[1]);
- av_freep(&avccontext->coded_frame);
- av_freep(&avccontext->extradata);
+ av_freep(&avctx->extradata);
return 0 ;
}
+static av_cold int vorbis_encode_init(AVCodecContext *avctx)
+{
+ vorbis_enc_context *venc = avctx->priv_data;
+ int ret;
+
+ if (avctx->channels != 2) {
+ av_log(avctx, AV_LOG_ERROR, "Current Libav Vorbis encoder only supports 2 channels.\n");
+ return -1;
+ }
+
+ if ((ret = create_vorbis_context(venc, avctx)) < 0)
+ goto error;
+
+ avctx->bit_rate = 0;
+ if (avctx->flags & CODEC_FLAG_QSCALE)
+ venc->quality = avctx->global_quality / (float)FF_QP2LAMBDA;
+ else
+ venc->quality = 3.0;
+ venc->quality *= venc->quality;
+
+ if ((ret = put_main_header(venc, (uint8_t**)&avctx->extradata)) < 0)
+ goto error;
+ avctx->extradata_size = ret;
+
+ avctx->frame_size = 1 << (venc->log2_blocksize[0] - 1);
+
+ return 0;
+error:
+ vorbis_encode_close(avctx);
+ return ret;
+}
+
AVCodec ff_vorbis_encoder = {
.name = "vorbis",
+ .long_name = NULL_IF_CONFIG_SMALL("Vorbis"),
.type = AVMEDIA_TYPE_AUDIO,
- .id = CODEC_ID_VORBIS,
+ .id = AV_CODEC_ID_VORBIS,
.priv_data_size = sizeof(vorbis_enc_context),
.init = vorbis_encode_init,
- .encode = vorbis_encode_frame,
+ .encode2 = vorbis_encode_frame,
.close = vorbis_encode_close,
- .capabilities= CODEC_CAP_DELAY | CODEC_CAP_EXPERIMENTAL,
- .sample_fmts = (const enum AVSampleFormat[]){AV_SAMPLE_FMT_S16,AV_SAMPLE_FMT_NONE},
- .long_name = NULL_IF_CONFIG_SMALL("Vorbis"),
+ .capabilities = CODEC_CAP_DELAY | CODEC_CAP_EXPERIMENTAL,
+ .sample_fmts = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_FLTP,
+ AV_SAMPLE_FMT_NONE },
};
projects / ffmpeg / blobdiff