On Tue, Mar 01, 2016 at 01:40:53PM +0800, Rick Kern wrote:
> Autodetected by default. Encode using -codec:v vtenc.
[...]
> +static void set_async_error(VTEncContext *vtctx, int err)
> +{
> + BufNode *info;
> +
> + pthread_mutex_lock(&vtctx->lock);
> +
> + vtctx->async_error = err;
> +
> + info = vtctx->q_head;
> + vtctx->q_head = vtctx->q_tail = NULL;
> +
> + while (info) {
> + BufNode *next = info->next;
> + CFRelease(info->cm_buffer);
> + free(info);
should probably av_free()
> + info = next;
> + }
> +
> + pthread_mutex_unlock(&vtctx->lock);
> +}
> +
> +static int vtenc_q_pop(VTEncContext *vtctx, bool wait, CMSampleBufferRef
> *buf)
> +{
> + BufNode *info;
> +
> + pthread_mutex_lock(&vtctx->lock);
> +
> + if (vtctx->async_error) {
> + pthread_mutex_unlock(&vtctx->lock);
> + return vtctx->async_error;
> + }
> +
> + if (vtctx->flushing && vtctx->frame_ct_in == vtctx->frame_ct_out) {
> + *buf = NULL;
> +
> + pthread_mutex_unlock(&vtctx->lock);
> + return 0;
> + }
> +
> + while (!vtctx->q_head && !vtctx->async_error && wait) {
> + pthread_cond_wait(&vtctx->cv_sample_sent, &vtctx->lock);
> + }
> +
> + if (!vtctx->q_head) {
> + pthread_mutex_unlock(&vtctx->lock);
> + *buf = NULL;
> + return 0;
> + }
> +
> + info = vtctx->q_head;
> + vtctx->q_head = vtctx->q_head->next;
> + if (!vtctx->q_head) {
> + vtctx->q_tail = NULL;
> + }
> +
> + pthread_mutex_unlock(&vtctx->lock);
> +
> + *buf = info->cm_buffer;
> + free(info);
same
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
I do not agree with what you have to say, but I'll defend to the death your
right to say it. -- Voltaire
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