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[xcode/daap/rsp] Default transcode to 320 kbps mp3 instead of wav

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- Calculate size for both formats (+ move the return to transcode_encode_query)
- Let transcode_needed() decide what format to output
- Determine content-type from transcoding type
- Add transcode-dependent ability to override file metadata in rsp/daap
- Send file size matching format
This commit is contained in:
ejurgensen
2023-10-21 00:17:20 +02:00
parent 9394d45de1
commit 3ee9204ff8
17 changed files with 359 additions and 276 deletions
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30
src/transcode.h
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@@ -10,11 +10,13 @@
enum transcode_profile
{
// Used for errors
XCODE_UNKNOWN = 0,
XCODE_UNKNOWN,
// No transcoding, send as-is
XCODE_NONE,
// Decodes the best audio stream into PCM16 or PCM24, no resampling (does not add wav header)
XCODE_PCM_NATIVE,
// Decodes/resamples the best audio stream into PCM16 (with wav header)
XCODE_PCM16_HEADER,
XCODE_WAV,
// Decodes/resamples the best audio stream into PCM16/24/32 (no wav headers)
XCODE_PCM16,
XCODE_PCM24,
@@ -60,20 +62,30 @@ struct transcode_evbuf_io
void *seekfn_arg;
};
struct transcode_metadata_string
{
char *type;
char *codectype;
char *description;
char file_size[64];
char bitrate[32];
};
// Setting up
struct decode_ctx *
transcode_decode_setup(enum transcode_profile profile, struct media_quality *quality, enum data_kind data_kind, const char *path, struct transcode_evbuf_io *evbuf_io, uint32_t song_length);
transcode_decode_setup(enum transcode_profile profile, struct media_quality *quality, enum data_kind data_kind, const char *path, struct transcode_evbuf_io *evbuf_io, uint32_t len_ms);
struct encode_ctx *
transcode_encode_setup(enum transcode_profile profile, struct media_quality *quality, struct decode_ctx *src_ctx, off_t *est_size, int width, int height);
transcode_encode_setup(enum transcode_profile profile, struct media_quality *quality, struct decode_ctx *src_ctx, int width, int height);
struct transcode_ctx *
transcode_setup(enum transcode_profile profile, struct media_quality *quality, enum data_kind data_kind, const char *path, uint32_t song_length, off_t *est_size);
transcode_setup(enum transcode_profile profile, struct media_quality *quality, enum data_kind data_kind, const char *path, uint32_t len_ms);
struct decode_ctx *
transcode_decode_setup_raw(enum transcode_profile profile, struct media_quality *quality);
int
enum transcode_profile
transcode_needed(const char *user_agent, const char *client_codecs, char *file_codectype);
// Cleaning up
@@ -170,4 +182,10 @@ transcode_encode_query(struct encode_ctx *ctx, const char *query);
struct http_icy_metadata *
transcode_metadata(struct transcode_ctx *ctx, int *changed);
// When transcoding, we are in essence serving a different source file than the
// original to the client. So we can't serve some of the file metadata from the
// filescanner. This function creates strings to be used for override.
void
transcode_metadata_strings_set(struct transcode_metadata_string *s, enum transcode_profile profile, struct media_quality *q, uint32_t len_ms);
#endif /* !__TRANSCODE_H__ */