From: Arun Raghavan Date: Mon, 6 Feb 2012 06:04:47 +0000 (+0530) Subject: format: Expose pa_format_info<->pa_sample_spec conversion functions X-Git-Tag: 1.0_branch~82 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c60f698f1e1614309b0a568a20da840409adad2f;p=profile%2Fivi%2Fpulseaudio.git format: Expose pa_format_info<->pa_sample_spec conversion functions These utility functions could be handy to clients. pa_format_info_to_sample_spec_fake() isn't made public, but the return value is changed to keep in sync with pa_format_info_to_sample_spec(). --- diff --git a/src/pulse/format.c b/src/pulse/format.c index 4de6e89..6e8e707 100644 --- a/src/pulse/format.c +++ b/src/pulse/format.c @@ -219,10 +219,10 @@ pa_format_info* pa_format_info_from_sample_spec(pa_sample_spec *ss, pa_channel_m } /* For PCM streams */ -pa_bool_t pa_format_info_to_sample_spec(pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map) { +int pa_format_info_to_sample_spec(pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map) { char *sf = NULL, *m = NULL; int rate, channels; - pa_bool_t ret = FALSE; + int ret = -PA_ERR_INVALID; pa_assert(f); pa_assert(ss); @@ -249,7 +249,7 @@ pa_bool_t pa_format_info_to_sample_spec(pa_format_info *f, pa_sample_spec *ss, p goto out; } - ret = TRUE; + ret = 0; out: if (sf) @@ -261,23 +261,23 @@ out: } /* For compressed streams */ -pa_bool_t pa_format_info_to_sample_spec_fake(pa_format_info *f, pa_sample_spec *ss) { +int pa_format_info_to_sample_spec_fake(pa_format_info *f, pa_sample_spec *ss) { int rate; pa_assert(f); pa_assert(ss); - pa_return_val_if_fail(f->encoding != PA_ENCODING_PCM, FALSE); + pa_return_val_if_fail(f->encoding != PA_ENCODING_PCM, -PA_ERR_INVALID); ss->format = PA_SAMPLE_S16LE; ss->channels = 2; - pa_return_val_if_fail(pa_format_info_get_prop_int(f, PA_PROP_FORMAT_RATE, &rate) == 0, FALSE); + pa_return_val_if_fail(pa_format_info_get_prop_int(f, PA_PROP_FORMAT_RATE, &rate) == 0, -PA_ERR_INVALID); ss->rate = (uint32_t) rate; if (f->encoding == PA_ENCODING_EAC3_IEC61937) ss->rate *= 4; - return TRUE; + return 0; } void pa_format_info_set_sample_format(pa_format_info *f, pa_sample_format_t sf) { diff --git a/src/pulse/format.h b/src/pulse/format.h index 2e19e70..fd5727b 100644 --- a/src/pulse/format.h +++ b/src/pulse/format.h @@ -115,6 +115,13 @@ char *pa_format_info_snprint(char *s, size_t l, const pa_format_info *f); * \a pa_format_info_snprint() into a pa_format_info structure. \since 1.0 */ pa_format_info* pa_format_info_from_string(const char *str); +/** Utility function to take a \a pa_sample_spec and generate the corresponding \a pa_format_info. \since 2.0 */ +pa_format_info* pa_format_info_from_sample_spec(pa_sample_spec *ss, pa_channel_map *map); + +/** Utility function to generate a \a pa_sample_spec and \a pa_channel_map corresponding to a given \a pa_format_info. Returns + * a negative integer if conversion failed and 0 on success. \since 2.0 */ +int pa_format_info_to_sample_spec(pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map); + /** Gets an integer property from the given format info. Returns 0 on success and a negative integer on failure. \since 2.0 */ int pa_format_info_get_prop_int(pa_format_info *f, const char *key, int *v); /** Gets a string property from the given format info. The caller must free the returned string using \ref pa_xfree. Returns diff --git a/src/pulse/internal.h b/src/pulse/internal.h index 7ab98b8..e826454 100644 --- a/src/pulse/internal.h +++ b/src/pulse/internal.h @@ -304,9 +304,7 @@ void pa_ext_device_restore_command(pa_context *c, uint32_t tag, pa_tagstruct *t) void pa_ext_stream_restore_command(pa_context *c, uint32_t tag, pa_tagstruct *t); void pa_format_info_free2(pa_format_info *f, void *userdata); -pa_format_info* pa_format_info_from_sample_spec(pa_sample_spec *ss, pa_channel_map *map); -pa_bool_t pa_format_info_to_sample_spec(pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map); -pa_bool_t pa_format_info_to_sample_spec_fake(pa_format_info *f, pa_sample_spec *ss); +int pa_format_info_to_sample_spec_fake(pa_format_info *f, pa_sample_spec *ss); pa_bool_t pa_mainloop_is_our_api(pa_mainloop_api*m); diff --git a/src/pulsecore/sink-input.c b/src/pulsecore/sink-input.c index 7f824fa..1e7d3e5 100644 --- a/src/pulsecore/sink-input.c +++ b/src/pulsecore/sink-input.c @@ -293,12 +293,12 @@ int pa_sink_input_new( /* Now populate the sample spec and format according to the final * format that we've negotiated */ if (PA_LIKELY(data->format->encoding == PA_ENCODING_PCM)) { - pa_return_val_if_fail(pa_format_info_to_sample_spec(data->format, &ss, &map), -PA_ERR_INVALID); + pa_return_val_if_fail(pa_format_info_to_sample_spec(data->format, &ss, &map) == 0, -PA_ERR_INVALID); pa_sink_input_new_data_set_sample_spec(data, &ss); if (pa_channel_map_valid(&map)) pa_sink_input_new_data_set_channel_map(data, &map); } else { - pa_return_val_if_fail(pa_format_info_to_sample_spec_fake(data->format, &ss), -PA_ERR_INVALID); + pa_return_val_if_fail(pa_format_info_to_sample_spec_fake(data->format, &ss) == 0, -PA_ERR_INVALID); pa_sink_input_new_data_set_sample_spec(data, &ss); } diff --git a/src/pulsecore/source-output.c b/src/pulsecore/source-output.c index 2f38af5..0859ba1 100644 --- a/src/pulsecore/source-output.c +++ b/src/pulsecore/source-output.c @@ -273,12 +273,12 @@ int pa_source_output_new( /* Now populate the sample spec and format according to the final * format that we've negotiated */ if (PA_LIKELY(data->format->encoding == PA_ENCODING_PCM)) { - pa_return_val_if_fail(pa_format_info_to_sample_spec(data->format, &ss, &map), -PA_ERR_INVALID); + pa_return_val_if_fail(pa_format_info_to_sample_spec(data->format, &ss, &map) == 0, -PA_ERR_INVALID); pa_source_output_new_data_set_sample_spec(data, &ss); if (pa_channel_map_valid(&map)) pa_source_output_new_data_set_channel_map(data, &map); } else { - pa_return_val_if_fail(pa_format_info_to_sample_spec_fake(data->format, &ss), -PA_ERR_INVALID); + pa_return_val_if_fail(pa_format_info_to_sample_spec_fake(data->format, &ss) == 0, -PA_ERR_INVALID); pa_source_output_new_data_set_sample_spec(data, &ss); }