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rpicamsrc: Implement dynamic bitrate update

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Use mmal_port_set_parameter_uint32 to update the encoder
bitrate.

Fixes https://github.com/thaytan/gst-rpicamsrc/issues/60
This commit is contained in:
Jan Schmidt 2017-01-27 12:58:29 +11:00 committed by Tim-Philipp Müller
parent 1670712500
commit 2c458819f5
1 changed files with 3 additions and 7 deletions
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10
sys/rpicamsrc/RaspiCapture.c
View file

@ -1908,13 +1908,9 @@ raspi_capture_update_config (RASPIVID_STATE *state, RASPIVID_CONFIG *config, gbo
MMAL_COMPONENT_T *encoder = state->encoder_component;
MMAL_PORT_T *encoder_output = encoder->output[0];
#if 0 /* not dynamically change-able */
encoder_output->format->bitrate = config->bitrate;
status = mmal_port_format_commit(encoder_output);
if (status != MMAL_SUCCESS) {
vcos_log_warn("Cannot change bitrate dynamically");
}
#endif
status = mmal_port_parameter_set_uint32(encoder_output, MMAL_PARAMETER_VIDEO_BIT_RATE, config->bitrate);
if (status != MMAL_SUCCESS)
vcos_log_warn("Unable to change bitrate dynamically");
{
MMAL_PARAMETER_UINT32_T param = {{ MMAL_PARAMETER_INTRAPERIOD, sizeof(param)}, config->intraperiod};