diff options
| -rw-r--r-- | NEWS | 2 | ||||
| -rw-r--r-- | src/encoder/wave_encoder.c | 46 |
2 files changed, 28 insertions, 20 deletions
@@ -2,7 +2,7 @@ ver 0.16.6 (2010/??/??) * decoder: - fix assertion failure when resuming streams * encoder: - - flac: fix buffer corruption bug + - flac, wave: fix buffer corruption bug * event_pipe: fix WIN32 regression * define WINVER in ./configure * WIN32: autodetect filesystem encoding diff --git a/src/encoder/wave_encoder.c b/src/encoder/wave_encoder.c index 938be5e5..4e830bd1 100644 --- a/src/encoder/wave_encoder.c +++ b/src/encoder/wave_encoder.c @@ -20,7 +20,8 @@ #include "config.h" #include "encoder_api.h" #include "encoder_plugin.h" -#include "pcm_buffer.h" +#include "fifo_buffer.h" +#include "growing_fifo.h" #include <assert.h> #include <string.h> @@ -29,8 +30,7 @@ struct wave_encoder { struct encoder encoder; unsigned bits; - struct pcm_buffer buffer; - size_t buffer_length; + struct fifo_buffer *buffer; }; struct wave_header { @@ -92,7 +92,6 @@ wave_encoder_init(G_GNUC_UNUSED const struct config_param *param, encoder = g_new(struct wave_encoder, 1); encoder_struct_init(&encoder->encoder, &wave_encoder_plugin); - pcm_buffer_init(&encoder->buffer); return &encoder->encoder; } @@ -102,7 +101,6 @@ wave_encoder_finish(struct encoder *_encoder) { struct wave_encoder *encoder = (struct wave_encoder *)_encoder; - pcm_buffer_deinit(&encoder->buffer); g_free(encoder); } @@ -112,7 +110,6 @@ wave_encoder_open(struct encoder *_encoder, G_GNUC_UNUSED GError **error) { struct wave_encoder *encoder = (struct wave_encoder *)_encoder; - void *buffer; assert(audio_format_valid(audio_format)); @@ -139,19 +136,29 @@ wave_encoder_open(struct encoder *_encoder, break; } - buffer = pcm_buffer_get(&encoder->buffer, sizeof(struct wave_header) ); + encoder->buffer = growing_fifo_new(); + struct wave_header *header = + growing_fifo_write(&encoder->buffer, sizeof(*header)); /* create PCM wave header in initial buffer */ - fill_wave_header((struct wave_header *) buffer, + fill_wave_header(header, audio_format->channels, encoder->bits, audio_format->sample_rate, (encoder->bits / 8) * audio_format->channels ); + fifo_buffer_append(encoder->buffer, sizeof(*header)); - encoder->buffer_length = sizeof(struct wave_header); return true; } +static void +wave_encoder_close(struct encoder *_encoder) +{ + struct wave_encoder *encoder = (struct wave_encoder *)_encoder; + + fifo_buffer_free(encoder->buffer); +} + static inline size_t pcm16_to_wave(uint16_t *dst16, const uint16_t *src16, size_t length) { @@ -198,9 +205,8 @@ wave_encoder_write(struct encoder *_encoder, G_GNUC_UNUSED GError **error) { struct wave_encoder *encoder = (struct wave_encoder *)_encoder; - void *dst; - dst = pcm_buffer_get(&encoder->buffer, encoder->buffer_length + length); + void *dst = growing_fifo_write(&encoder->buffer, length); #if (G_BYTE_ORDER == G_LITTLE_ENDIAN) switch (encoder->bits) { @@ -232,7 +238,7 @@ wave_encoder_write(struct encoder *_encoder, #error G_BYTE_ORDER set to G_PDP_ENDIAN is not supported by wave_encoder #endif - encoder->buffer_length += length; + fifo_buffer_append(encoder->buffer, length); return true; } @@ -240,16 +246,17 @@ static size_t wave_encoder_read(struct encoder *_encoder, void *dest, size_t length) { struct wave_encoder *encoder = (struct wave_encoder *)_encoder; - uint8_t *buffer = pcm_buffer_get(&encoder->buffer, encoder->buffer_length ); - - if (length > encoder->buffer_length) - length = encoder->buffer_length; - memcpy(dest, buffer, length); + size_t max_length; + const void *src = fifo_buffer_read(encoder->buffer, &max_length); + if (src == NULL) + return 0; - encoder->buffer_length -= length; - memmove(buffer, buffer + length, encoder->buffer_length); + if (length > max_length) + length = max_length; + memcpy(dest, src, length); + fifo_buffer_consume(encoder->buffer, length); return length; } @@ -264,6 +271,7 @@ const struct encoder_plugin wave_encoder_plugin = { .init = wave_encoder_init, .finish = wave_encoder_finish, .open = wave_encoder_open, + .close = wave_encoder_close, .write = wave_encoder_write, .read = wave_encoder_read, .get_mime_type = wave_encoder_get_mime_type, |