static void Video_OnFlush(decoder_t *p_dec)
{
decoder_sys_t *p_sys = p_dec->p_sys;
timestamp_FifoEmpty(p_sys->u.video.timestamp_fifo);
/* Invalidate all pictures that are currently in flight
* since flushing make all previous indices returned by
* MediaCodec invalid. */
if (p_sys->api->b_direct_rendering)
InvalidateAllPictures(p_dec);
}
/*****************************************************************************
* StopMediaCodec: Close the mediacodec instance
*****************************************************************************/
static void StopMediaCodec(decoder_t *p_dec)
{
decoder_sys_t *p_sys = p_dec->p_sys;
/* Invalidate all pictures that are currently in flight in order
* to prevent the vout from using destroyed output buffers. */
if (p_sys->api->b_direct_rendering)
InvalidateAllPictures(p_dec);
p_sys->api->stop(p_sys->api);
if (p_dec->fmt_in.i_cat == VIDEO_ES && p_sys->u.video.p_awh)
AWindowHandler_releaseSurface(p_sys->u.video.p_awh, AWindow_Video);
}
static int Video_OnNewBlock(decoder_t *p_dec, block_t *p_block)
{
decoder_sys_t *p_sys = p_dec->p_sys;
bool b_csd_changed = false, b_size_changed = false;
bool b_delayed_start = false;
if (p_block->i_flags & BLOCK_FLAG_INTERLACED_MASK
&& !p_sys->api->b_support_interlaced)
return -1;
if (p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED))
{
if (p_sys->decoded)
{
timestamp_FifoEmpty(p_sys->u.video.timestamp_fifo);
/* Invalidate all pictures that are currently in flight
* since flushing make all previous indices returned by
* MediaCodec invalid. */
if (p_sys->api->b_direct_rendering)
InvalidateAllPictures(p_dec);
}
if (DecodeFlush(p_dec) != VLC_SUCCESS)
return -1;
return 0;
}
if (p_dec->fmt_in.i_codec == VLC_CODEC_H264)
H264ProcessBlock(p_dec, p_block, &b_csd_changed, &b_size_changed);
else if (p_dec->fmt_in.i_codec == VLC_CODEC_HEVC)
HEVCProcessBlock(p_dec, p_block, &b_csd_changed, &b_size_changed);
if (p_sys->api->b_started && b_csd_changed)
{
if (b_size_changed)
{
msg_Err(p_dec, "SPS/PPS changed during playback and "
"video size are different. Restart it !");
StopMediaCodec(p_dec);
} else
{
msg_Err(p_dec, "SPS/PPS changed during playback. Flush it");
if (DecodeFlush(p_dec) != VLC_SUCCESS)
return -1;
}
}
if (b_csd_changed)
b_delayed_start = true;
/* try delayed opening if there is a new extra data */
if (!p_sys->api->b_started)
{
switch (p_dec->fmt_in.i_codec)
{
case VLC_CODEC_VC1:
if (p_dec->fmt_in.i_extra)
b_delayed_start = true;
default:
break;
}
if (b_delayed_start && StartMediaCodec(p_dec) != VLC_SUCCESS)
return -1;
if (!p_sys->api->b_started)
return 0;
}
timestamp_FifoPut(p_sys->u.video.timestamp_fifo,
p_block->i_pts ? VLC_TS_INVALID : p_block->i_dts);
return 1;
}
/**
* DecodeCommon called from DecodeVideo or DecodeAudio.
* It returns -1 in case of error, 0 otherwise. The output buffer is returned
* in pp_out_pic for Video, and pp_out_block for Audio.
*/
static int DecodeCommon(decoder_t *p_dec, block_t **pp_block,
picture_t **pp_out_pic, block_t **pp_out_block)
{
decoder_sys_t *p_sys = p_dec->p_sys;
block_t *p_block = pp_block ? *pp_block : NULL;
unsigned int i_attempts = 0;
jlong timeout = 0;
int i_output_ret = 0;
int i_input_ret = 0;
bool b_abort = false;
bool b_error = false;
bool b_new_block = p_block ? p_sys->b_new_block : false;
if (p_sys->error_state)
goto endclean;
if (b_new_block)
{
int i_ret, i_flags = 0;
p_sys->b_new_block = false;
if (p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED))
{
if (DecodeFlush(p_dec) != VLC_SUCCESS)
b_error = true;
goto endclean;
}
i_ret = p_sys->pf_on_new_block(p_dec, p_block, &i_flags);
if (i_ret != 1)
{
if (i_ret == -1)
b_error = true;
goto endclean;
}
if (i_flags & NEWBLOCK_FLAG_FLUSH)
{
if (DecodeFlush(p_dec) != VLC_SUCCESS)
{
b_error = true;
goto endclean;
}
}
if (i_flags & NEWBLOCK_FLAG_RESTART)
{
StopMediaCodec(p_dec);
if (StartMediaCodec(p_dec) != VLC_SUCCESS)
{
b_error = true;
goto endclean;
}
}
}
if (!p_sys->api->b_started)
goto endclean;
do
{
if ((p_sys->i_csd_send < p_sys->i_csd_count || p_block)
&& i_input_ret == 0)
{
int i_index = p_sys->api->dequeue_in(p_sys->api, timeout);
if (i_index >= 0)
{
block_t *p_in_block;
mtime_t i_ts;
if (p_sys->i_csd_send < p_sys->i_csd_count)
{
p_in_block = p_sys->pp_csd[p_sys->i_csd_send];
i_ts = 0;
}
else
{
p_in_block = p_block;
i_ts = p_block->i_pts;
if (!i_ts && p_block->i_dts)
i_ts = p_block->i_dts;
}
i_input_ret = p_sys->api->queue_in(p_sys->api, i_index,
p_in_block->p_buffer,
p_in_block->i_buffer, i_ts,
p_in_block->i_flags & BLOCK_FLAG_CSD) == 0 ? 1 : -1;
if (i_input_ret == 1)
{
if (p_sys->i_csd_send < p_sys->i_csd_count)
{
p_sys->i_csd_send++;
i_input_ret = 0;
}
else
{
p_sys->decoded = true;
if (p_block->i_flags & BLOCK_FLAG_PREROLL )
p_sys->i_preroll_end = i_ts;
}
}
}
else if (i_index == MC_API_INFO_TRYAGAIN)
i_input_ret = 0;
else
i_input_ret = -1;
/* No need to try output if no input buffer is decoded */
if (!p_sys->decoded)
continue;
}
if (i_input_ret != -1 && p_sys->decoded && i_output_ret == 0)
{
i_output_ret = GetAndProcessOutput(p_dec, pp_out_pic, pp_out_block,
timeout);
if (i_output_ret == 0 && i_input_ret == 0)
{
if (++i_attempts == 20)
{
/* HACK: When direct rendering is enabled, there is a
* possible deadlock between the Decoder and the Vout. It
* happens when the Vout is paused and when the Decoder is
* flushing. In that case, the Vout won't release any
* output buffers, therefore MediaCodec won't dequeue any
* input buffers. To work around this issue, release all
* output buffers if DecodeCommon is waiting more than 400
* msec for a new input buffer. */
msg_Warn(p_dec, "Decoder stuck: invalidate all buffers");
InvalidateAllPictures(p_dec);
}
if (!p_sys->b_has_format && ++i_attempts > 100)
{
/* No output and no format, thereforce mediacodec didn't
* produce any output or events yet. Don't wait
* indefinitely and abort after 2seconds (100 * 2 * 10ms)
* without any data. Indeed, MediaCodec can fail without
* throwing any exception or error returns... */
msg_Err(p_dec, "No output/input for %lld ms, abort",
i_attempts * timeout);
b_error = true;
break;
}
}
}
timeout = 10 * 1000; // 10 ms
/* loop until either the input or the output are processed (i_input_ret
* or i_output_ret == 1 ) or caused an error (i_input_ret or
* i_output_ret == -1 )*/
} while (p_block && i_input_ret == 0 && i_output_ret == 0 && !b_abort);
if (i_input_ret == -1 || i_output_ret == -1)
{
msg_Err(p_dec, "%s failed",
i_input_ret == -1 ? "PutInput" : "GetOutput");
b_error = true;
}
endclean:
/* If pf_decode returns NULL, we'll get a new p_block from the next
* pf_decode call. Therefore we need to release the current one even if we
* couldn't process it (it happens in case or error or if MediaCodec is
* still not opened). We also must release the current p_block if we were
* able to process it. */
if (p_block && (i_output_ret != 1 || i_input_ret != 0))
{
block_Release(p_block);
*pp_block = NULL;
p_sys->b_new_block = true;
}
if (b_error && !p_sys->error_state) {
/* Signal the error to the Java. */
jni_EventHardwareAccelerationError();
p_sys->error_state = true;
}
return b_error ? -1 : 0;
}