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authorMax Kellermann <max@duempel.org>2009-02-17 22:54:26 +0100
committerMax Kellermann <max@duempel.org>2009-02-17 22:54:26 +0100
commit77db32f8fb827eba8cacf2e4500521f3b313601d (patch)
tree3b44be04f522e6c20e44307d8fa654f88193669d /src/decoder/faad_plugin.c
parent6a72db22d76f5e805a1d05e92c618e3074c579bc (diff)
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faad: added libfaad wrappers
Moved libfaad API quirks to the wrapper functions faad_decoder_init() and faad_decoder_decode().
Diffstat (limited to 'src/decoder/faad_plugin.c')
-rw-r--r--src/decoder/faad_plugin.c103
1 files changed, 61 insertions, 42 deletions
diff --git a/src/decoder/faad_plugin.c b/src/decoder/faad_plugin.c
index 8c54f6dfe..2db6b99b3 100644
--- a/src/decoder/faad_plugin.c
+++ b/src/decoder/faad_plugin.c
@@ -237,6 +237,56 @@ faad_song_duration(struct faad_buffer *b)
return -1;
}
+/**
+ * Wrapper for faacDecInit() which works around some API
+ * inconsistencies in libfaad.
+ */
+static bool
+faad_decoder_init(faacDecHandle decoder, struct faad_buffer *buffer,
+ uint32_t *sample_rate, uint8_t *channels)
+{
+ int32_t nbytes;
+#ifdef HAVE_FAAD_LONG
+ /* neaacdec.h declares all arguments as "unsigned long", but
+ internally expects uint32_t pointers. To avoid gcc
+ warnings, use this workaround. */
+ unsigned long *sample_rate_r = (unsigned long *)(void *)sample_rate;
+#else
+ uint32_t *sample_rate_r = sample_rate;
+#endif
+
+ nbytes = faacDecInit(decoder, buffer->data,
+#ifdef HAVE_FAAD_BUFLEN_FUNCS
+ buffer->length,
+#endif
+ sample_rate_r, channels);
+ if (nbytes < 0)
+ return false;
+
+ faad_buffer_consume(buffer, nbytes);
+ return true;
+}
+
+/**
+ * Wrapper for faacDecDecode() which works around some API
+ * inconsistencies in libfaad.
+ */
+static const void *
+faad_decoder_decode(faacDecHandle decoder, struct faad_buffer *buffer,
+ NeAACDecFrameInfo *frame_info)
+{
+ void *result;
+
+ result = faacDecDecode(decoder, frame_info,
+ buffer->data
+#ifdef HAVE_FAAD_BUFLEN_FUNCS
+ , buffer->length
+#endif
+ );
+
+ return result;
+}
+
static float
faad_get_file_time_float(const char *file)
{
@@ -245,17 +295,8 @@ faad_get_file_time_float(const char *file)
faacDecHandle decoder;
faacDecConfigurationPtr config;
uint32_t sample_rate;
-#ifdef HAVE_FAAD_LONG
- /* neaacdec.h declares all arguments as "unsigned long", but
- internally expects uint32_t pointers. To avoid gcc
- warnings, use this workaround. */
- unsigned long *sample_rate_r = (unsigned long *)(void *)&sample_rate;
-#else
- uint32_t *sample_rate_r = &sample_rate;
-#endif
unsigned char channels;
struct input_stream is;
- long bread;
if (!input_stream_open(&is, file))
return -1;
@@ -264,6 +305,8 @@ faad_get_file_time_float(const char *file)
length = faad_song_duration(&buffer);
if (length < 0) {
+ bool ret;
+
decoder = faacDecOpen();
config = faacDecGetCurrentConfiguration(decoder);
@@ -271,14 +314,10 @@ faad_get_file_time_float(const char *file)
faacDecSetConfiguration(decoder, config);
faad_buffer_fill(&buffer);
-#ifdef HAVE_FAAD_BUFLEN_FUNCS
- bread = faacDecInit(decoder, buffer.data, buffer.length,
- sample_rate_r, &channels);
-#else
- bread = faacDecInit(decoder, buffer.data,
- sample_rate_r, &channels);
-#endif
- if (bread >= 0 && sample_rate > 0 && channels > 0)
+
+ ret = faad_decoder_init(decoder, &buffer,
+ &sample_rate, &channels);
+ if (ret && sample_rate > 0 && channels > 0)
length = 0;
faacDecClose(decoder);
@@ -309,18 +348,10 @@ faad_stream_decode(struct decoder *mpd_decoder, struct input_stream *is)
faacDecHandle decoder;
faacDecFrameInfo frame_info;
faacDecConfigurationPtr config;
- long bread;
uint32_t sample_rate;
-#ifdef HAVE_FAAD_LONG
- /* neaacdec.h declares all arguments as "unsigned long", but
- internally expects uint32_t pointers. To avoid gcc
- warnings, use this workaround. */
- unsigned long *sample_rate_r = (unsigned long *)(void *)&sample_rate;
-#else
- uint32_t *sample_rate_r = &sample_rate;
-#endif
unsigned char channels;
unsigned long sample_count;
+ bool ret;
const void *decoded;
size_t decoded_length;
uint16_t bit_rate = 0;
@@ -350,13 +381,9 @@ faad_stream_decode(struct decoder *mpd_decoder, struct input_stream *is)
faad_buffer_fill(&buffer);
}
-#ifdef HAVE_FAAD_BUFLEN_FUNCS
- bread = faacDecInit(decoder, buffer.data, buffer.length,
- sample_rate_r, &channels);
-#else
- bread = faacDecInit(decoder, buffer.data, sample_rate_r, &channels);
-#endif
- if (bread < 0) {
+ ret = faad_decoder_init(decoder, &buffer,
+ &sample_rate, &channels);
+ if (!ret) {
g_warning("Error not a AAC stream.\n");
faacDecClose(decoder);
return;
@@ -364,8 +391,6 @@ faad_stream_decode(struct decoder *mpd_decoder, struct input_stream *is)
file_time = 0.0;
- faad_buffer_consume(&buffer, bread);
-
do {
adts_find_frame(&buffer);
faad_buffer_fill(&buffer);
@@ -373,13 +398,7 @@ faad_stream_decode(struct decoder *mpd_decoder, struct input_stream *is)
if (buffer.length == 0)
break;
-#ifdef HAVE_FAAD_BUFLEN_FUNCS
- decoded = faacDecDecode(decoder, &frame_info,
- buffer.data, buffer.length);
-#else
- decoded = faacDecDecode(decoder, &frame_info,
- buffer.data);
-#endif
+ decoded = faad_decoder_decode(decoder, &buffer, &frame_info);
if (frame_info.error > 0) {
g_warning("error decoding AAC stream: %s\n",