encoder/vorbis: convert pointers to references

This commit is contained in:
Max Kellermann 2014-12-02 22:33:40 +01:00
parent d3d9a04e62
commit 90e6c727da

View File

@ -58,7 +58,7 @@ struct vorbis_encoder {
static constexpr Domain vorbis_encoder_domain("vorbis_encoder");
static bool
vorbis_encoder_configure(struct vorbis_encoder *encoder,
vorbis_encoder_configure(struct vorbis_encoder &encoder,
const config_param &param, Error &error)
{
const char *value = param.GetBlockValue("quality");
@ -66,10 +66,10 @@ vorbis_encoder_configure(struct vorbis_encoder *encoder,
/* a quality was configured (VBR) */
char *endptr;
encoder->quality = ParseDouble(value, &endptr);
encoder.quality = ParseDouble(value, &endptr);
if (*endptr != '\0' || encoder->quality < -1.0 ||
encoder->quality > 10.0) {
if (*endptr != '\0' || encoder.quality < -1.0 ||
encoder.quality > 10.0) {
error.Format(config_domain,
"quality \"%s\" is not a number in the "
"range -1 to 10",
@ -92,11 +92,11 @@ vorbis_encoder_configure(struct vorbis_encoder *encoder,
return false;
}
encoder->quality = -2.0;
encoder.quality = -2.0;
char *endptr;
encoder->bitrate = ParseInt(value, &endptr);
if (*endptr != '\0' || encoder->bitrate <= 0) {
encoder.bitrate = ParseInt(value, &endptr);
if (*endptr != '\0' || encoder.bitrate <= 0) {
error.Set(config_domain,
"bitrate should be a positive integer");
return false;
@ -112,7 +112,7 @@ vorbis_encoder_init(const config_param &param, Error &error)
vorbis_encoder *encoder = new vorbis_encoder();
/* load configuration from "param" */
if (!vorbis_encoder_configure(encoder, param, error)) {
if (!vorbis_encoder_configure(*encoder, param, error)) {
/* configuration has failed, roll back and return error */
delete encoder;
return nullptr;
@ -132,63 +132,63 @@ vorbis_encoder_finish(Encoder *_encoder)
}
static bool
vorbis_encoder_reinit(struct vorbis_encoder *encoder, Error &error)
vorbis_encoder_reinit(struct vorbis_encoder &encoder, Error &error)
{
vorbis_info_init(&encoder->vi);
vorbis_info_init(&encoder.vi);
if (encoder->quality >= -1.0) {
if (encoder.quality >= -1.0) {
/* a quality was configured (VBR) */
if (0 != vorbis_encode_init_vbr(&encoder->vi,
encoder->audio_format.channels,
encoder->audio_format.sample_rate,
encoder->quality * 0.1)) {
if (0 != vorbis_encode_init_vbr(&encoder.vi,
encoder.audio_format.channels,
encoder.audio_format.sample_rate,
encoder.quality * 0.1)) {
error.Set(vorbis_encoder_domain,
"error initializing vorbis vbr");
vorbis_info_clear(&encoder->vi);
vorbis_info_clear(&encoder.vi);
return false;
}
} else {
/* a bit rate was configured */
if (0 != vorbis_encode_init(&encoder->vi,
encoder->audio_format.channels,
encoder->audio_format.sample_rate, -1.0,
encoder->bitrate * 1000, -1.0)) {
if (0 != vorbis_encode_init(&encoder.vi,
encoder.audio_format.channels,
encoder.audio_format.sample_rate, -1.0,
encoder.bitrate * 1000, -1.0)) {
error.Set(vorbis_encoder_domain,
"error initializing vorbis encoder");
vorbis_info_clear(&encoder->vi);
vorbis_info_clear(&encoder.vi);
return false;
}
}
vorbis_analysis_init(&encoder->vd, &encoder->vi);
vorbis_block_init(&encoder->vd, &encoder->vb);
encoder->stream.Initialize(GenerateOggSerial());
vorbis_analysis_init(&encoder.vd, &encoder.vi);
vorbis_block_init(&encoder.vd, &encoder.vb);
encoder.stream.Initialize(GenerateOggSerial());
return true;
}
static void
vorbis_encoder_headerout(struct vorbis_encoder *encoder, vorbis_comment *vc)
vorbis_encoder_headerout(struct vorbis_encoder &encoder, vorbis_comment &vc)
{
ogg_packet packet, comments, codebooks;
vorbis_analysis_headerout(&encoder->vd, vc,
vorbis_analysis_headerout(&encoder.vd, &vc,
&packet, &comments, &codebooks);
encoder->stream.PacketIn(packet);
encoder->stream.PacketIn(comments);
encoder->stream.PacketIn(codebooks);
encoder.stream.PacketIn(packet);
encoder.stream.PacketIn(comments);
encoder.stream.PacketIn(codebooks);
}
static void
vorbis_encoder_send_header(struct vorbis_encoder *encoder)
vorbis_encoder_send_header(struct vorbis_encoder &encoder)
{
vorbis_comment vc;
vorbis_comment_init(&vc);
vorbis_encoder_headerout(encoder, &vc);
vorbis_encoder_headerout(encoder, vc);
vorbis_comment_clear(&vc);
}
@ -197,11 +197,11 @@ vorbis_encoder_open(Encoder *_encoder,
AudioFormat &audio_format,
Error &error)
{
struct vorbis_encoder *encoder = (struct vorbis_encoder *)_encoder;
struct vorbis_encoder &encoder = *(struct vorbis_encoder *)_encoder;
audio_format.format = SampleFormat::FLOAT;
encoder->audio_format = audio_format;
encoder.audio_format = audio_format;
if (!vorbis_encoder_reinit(encoder, error))
return false;
@ -212,67 +212,67 @@ vorbis_encoder_open(Encoder *_encoder,
}
static void
vorbis_encoder_clear(struct vorbis_encoder *encoder)
vorbis_encoder_clear(struct vorbis_encoder &encoder)
{
encoder->stream.Deinitialize();
vorbis_block_clear(&encoder->vb);
vorbis_dsp_clear(&encoder->vd);
vorbis_info_clear(&encoder->vi);
encoder.stream.Deinitialize();
vorbis_block_clear(&encoder.vb);
vorbis_dsp_clear(&encoder.vd);
vorbis_info_clear(&encoder.vi);
}
static void
vorbis_encoder_close(Encoder *_encoder)
{
struct vorbis_encoder *encoder = (struct vorbis_encoder *)_encoder;
struct vorbis_encoder &encoder = *(struct vorbis_encoder *)_encoder;
vorbis_encoder_clear(encoder);
}
static void
vorbis_encoder_blockout(struct vorbis_encoder *encoder)
vorbis_encoder_blockout(struct vorbis_encoder &encoder)
{
while (vorbis_analysis_blockout(&encoder->vd, &encoder->vb) == 1) {
vorbis_analysis(&encoder->vb, nullptr);
vorbis_bitrate_addblock(&encoder->vb);
while (vorbis_analysis_blockout(&encoder.vd, &encoder.vb) == 1) {
vorbis_analysis(&encoder.vb, nullptr);
vorbis_bitrate_addblock(&encoder.vb);
ogg_packet packet;
while (vorbis_bitrate_flushpacket(&encoder->vd, &packet))
encoder->stream.PacketIn(packet);
while (vorbis_bitrate_flushpacket(&encoder.vd, &packet))
encoder.stream.PacketIn(packet);
}
}
static bool
vorbis_encoder_flush(Encoder *_encoder, gcc_unused Error &error)
{
struct vorbis_encoder *encoder = (struct vorbis_encoder *)_encoder;
struct vorbis_encoder &encoder = *(struct vorbis_encoder *)_encoder;
encoder->stream.Flush();
encoder.stream.Flush();
return true;
}
static bool
vorbis_encoder_pre_tag(Encoder *_encoder, gcc_unused Error &error)
{
struct vorbis_encoder *encoder = (struct vorbis_encoder *)_encoder;
struct vorbis_encoder &encoder = *(struct vorbis_encoder *)_encoder;
vorbis_analysis_wrote(&encoder->vd, 0);
vorbis_analysis_wrote(&encoder.vd, 0);
vorbis_encoder_blockout(encoder);
/* reinitialize vorbis_dsp_state and vorbis_block to reset the
end-of-stream marker */
vorbis_block_clear(&encoder->vb);
vorbis_dsp_clear(&encoder->vd);
vorbis_analysis_init(&encoder->vd, &encoder->vi);
vorbis_block_init(&encoder->vd, &encoder->vb);
vorbis_block_clear(&encoder.vb);
vorbis_dsp_clear(&encoder.vd);
vorbis_analysis_init(&encoder.vd, &encoder.vi);
vorbis_block_init(&encoder.vd, &encoder.vb);
encoder->stream.Flush();
encoder.stream.Flush();
return true;
}
static void
copy_tag_to_vorbis_comment(vorbis_comment *vc, const Tag *tag)
copy_tag_to_vorbis_comment(vorbis_comment *vc, const Tag &tag)
{
for (const auto &item : *tag) {
for (const auto &item : tag) {
char *name = g_ascii_strup(tag_item_names[item.type], -1);
vorbis_comment_add_tag(vc, name, item.value);
g_free(name);
@ -283,21 +283,21 @@ static bool
vorbis_encoder_tag(Encoder *_encoder, const Tag *tag,
gcc_unused Error &error)
{
struct vorbis_encoder *encoder = (struct vorbis_encoder *)_encoder;
struct vorbis_encoder &encoder = *(struct vorbis_encoder *)_encoder;
vorbis_comment comment;
/* write the vorbis_comment object */
vorbis_comment_init(&comment);
copy_tag_to_vorbis_comment(&comment, tag);
copy_tag_to_vorbis_comment(&comment, *tag);
/* reset ogg_stream_state and begin a new stream */
encoder->stream.Reinitialize(GenerateOggSerial());
encoder.stream.Reinitialize(GenerateOggSerial());
/* send that vorbis_comment to the ogg_stream_state */
vorbis_encoder_headerout(encoder, &comment);
vorbis_encoder_headerout(encoder, comment);
vorbis_comment_clear(&comment);
return true;
@ -317,19 +317,19 @@ vorbis_encoder_write(Encoder *_encoder,
const void *data, size_t length,
gcc_unused Error &error)
{
struct vorbis_encoder *encoder = (struct vorbis_encoder *)_encoder;
struct vorbis_encoder &encoder = *(struct vorbis_encoder *)_encoder;
unsigned num_frames = length / encoder->audio_format.GetFrameSize();
unsigned num_frames = length / encoder.audio_format.GetFrameSize();
/* this is for only 16-bit audio */
interleaved_to_vorbis_buffer(vorbis_analysis_buffer(&encoder->vd,
interleaved_to_vorbis_buffer(vorbis_analysis_buffer(&encoder.vd,
num_frames),
(const float *)data,
num_frames,
encoder->audio_format.channels);
encoder.audio_format.channels);
vorbis_analysis_wrote(&encoder->vd, num_frames);
vorbis_analysis_wrote(&encoder.vd, num_frames);
vorbis_encoder_blockout(encoder);
return true;
}
@ -337,9 +337,9 @@ vorbis_encoder_write(Encoder *_encoder,
static size_t
vorbis_encoder_read(Encoder *_encoder, void *dest, size_t length)
{
struct vorbis_encoder *encoder = (struct vorbis_encoder *)_encoder;
struct vorbis_encoder &encoder = *(struct vorbis_encoder *)_encoder;
return encoder->stream.PageOut(dest, length);
return encoder.stream.PageOut(dest, length);
}
static const char *