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Add duration and bit_rate from container #86

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Add duration and bit_rate from container #86

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10 changes: 10 additions & 0 deletions ac-ffmpeg/src/format/demuxer.c
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,8 @@ int ffw_demuxer_init(Demuxer* demuxer, AVIOContext* io_context, AVInputFormat* f
int ffw_demuxer_set_initial_option(Demuxer* demuxer, const char* key, const char* value);
int ffw_demuxer_set_option(Demuxer* demuxer, const char* key, const char* value);
int ffw_demuxer_find_stream_info(Demuxer* demuxer, int64_t max_analyze_duration);
int ffw_demuxer_get_bit_rate(Demuxer* demuxer);
int ffw_demuxer_get_duration(Demuxer* demuxer);
unsigned ffw_demuxer_get_nb_streams(const Demuxer* demuxer);
AVStream* ffw_demuxer_get_stream(Demuxer* demuxer, unsigned stream_index);
const AVInputFormat* ffw_demuxer_get_input_format(const Demuxer* demuxer);
Expand Down Expand Up @@ -130,6 +132,14 @@ int ffw_demuxer_find_stream_info(Demuxer* demuxer, int64_t max_analyze_duration)
return avformat_find_stream_info(demuxer->fc, NULL);
}

int ffw_demuxer_get_bit_rate(Demuxer* demuxer) {
return demuxer->fc->bit_rate;
}

int ffw_demuxer_get_duration(Demuxer* demuxer) {
return demuxer->fc->duration;
}

unsigned ffw_demuxer_get_nb_streams(const Demuxer* demuxer) {
return demuxer->fc->nb_streams;
}
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14 changes: 14 additions & 0 deletions ac-ffmpeg/src/format/demuxer.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,8 @@ extern "C" {
fn ffw_demuxer_get_nb_streams(demuxer: *const c_void) -> c_uint;
fn ffw_demuxer_get_stream(demuxer: *mut c_void, index: c_uint) -> *mut c_void;
fn ffw_demuxer_get_input_format(demuxer: *const c_void) -> *const c_void;
fn ffw_demuxer_get_bit_rate(demuxer: *const c_void) -> c_int;
fn ffw_demuxer_get_duration(demuxer: *const c_void) -> c_int;
fn ffw_demuxer_read_frame(
demuxer: *mut c_void,
packet: *mut *mut c_void,
Expand Down Expand Up @@ -334,6 +336,18 @@ impl<T> Demuxer<T> {
Ok(res)
}

pub fn get_bit_rate(&self) -> Result<i32, Error> {
let ret = unsafe { ffw_demuxer_get_bit_rate(self.ptr) };

Ok(ret)
}

pub fn get_duration(&self) -> Result<i32, Error> {
let ret = unsafe { ffw_demuxer_get_duration(self.ptr) };

Ok(ret)
}

pub fn input_format(&self) -> InputFormat {
// XXX: This is potentially very ugly as we rely on the fact that the
// input formats are statically allocated by FFmpeg and not owned by
Expand Down