static void mediacodec_buffer_release(void *opaque, uint8_t *data)
{
AVMediaCodecBuffer *buffer = opaque;
MediaCodecDecContext *ctx = buffer->ctx;
int released = avpriv_atomic_int_get(&buffer->released);
if (!released) {
ff_AMediaCodec_releaseOutputBuffer(ctx->codec, buffer->index, 0);
}
ff_mediacodec_dec_unref(ctx);
av_freep(&buffer);
}
static void mediacodec_buffer_release(void *opaque, uint8_t *data)
{
AVMediaCodecBuffer *buffer = opaque;
MediaCodecDecContext *ctx = buffer->ctx;
int released = atomic_load(&buffer->released);
if (!released && (ctx->delay_flush || buffer->serial == atomic_load(&ctx->serial))) {
atomic_fetch_sub(&ctx->hw_buffer_count, 1);
av_log(ctx->avctx, AV_LOG_DEBUG,
"Releasing output buffer %zd (%p) ts=%"PRId64" on free() [%d pending]\n",
buffer->index, buffer, buffer->pts, atomic_load(&ctx->hw_buffer_count));
ff_AMediaCodec_releaseOutputBuffer(ctx->codec, buffer->index, 0);
}
if (ctx->delay_flush)
ff_mediacodec_dec_unref(ctx);
av_freep(&buffer);
}
static int mediacodec_wrap_buffer(AVCodecContext *avctx,
MediaCodecDecContext *s,
uint8_t *data,
size_t size,
ssize_t index,
FFAMediaCodecBufferInfo *info,
AVFrame *frame)
{
int ret = 0;
int status = 0;
frame->width = avctx->width;
frame->height = avctx->height;
frame->format = avctx->pix_fmt;
/* MediaCodec buffers needs to be copied to our own refcounted buffers
* because the flush command invalidates all input and output buffers.
*/
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "Could not allocate buffer\n");
goto done;
}
/* Override frame->pkt_pts as ff_get_buffer will override its value based
* on the last avpacket received which is not in sync with the frame:
* * N avpackets can be pushed before 1 frame is actually returned
* * 0-sized avpackets are pushed to flush remaining frames at EOS */
frame->pkt_pts = info->presentationTimeUs;
av_log(avctx, AV_LOG_DEBUG,
"Frame: width=%d stride=%d height=%d slice-height=%d "
"crop-top=%d crop-bottom=%d crop-left=%d crop-right=%d encoder=%s\n"
"destination linesizes=%d,%d,%d\n" ,
avctx->width, s->stride, avctx->height, s->slice_height,
s->crop_top, s->crop_bottom, s->crop_left, s->crop_right, s->codec_name,
frame->linesize[0], frame->linesize[1], frame->linesize[2]);
switch (s->color_format) {
case COLOR_FormatYUV420Planar:
ff_mediacodec_sw_buffer_copy_yuv420_planar(avctx, s, data, size, info, frame);
break;
case COLOR_FormatYUV420SemiPlanar:
case COLOR_QCOM_FormatYUV420SemiPlanar:
case COLOR_QCOM_FormatYUV420SemiPlanar32m:
ff_mediacodec_sw_buffer_copy_yuv420_semi_planar(avctx, s, data, size, info, frame);
break;
case COLOR_TI_FormatYUV420PackedSemiPlanar:
case COLOR_TI_FormatYUV420PackedSemiPlanarInterlaced:
ff_mediacodec_sw_buffer_copy_yuv420_packed_semi_planar(avctx, s, data, size, info, frame);
break;
case COLOR_QCOM_FormatYUV420PackedSemiPlanar64x32Tile2m8ka:
ff_mediacodec_sw_buffer_copy_yuv420_packed_semi_planar_64x32Tile2m8ka(avctx, s, data, size, info, frame);
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unsupported color format 0x%x (value=%d)\n",
s->color_format, s->color_format);
ret = AVERROR(EINVAL);
goto done;
}
ret = 0;
done:
status = ff_AMediaCodec_releaseOutputBuffer(s->codec, index, 0);
if (status < 0) {
av_log(NULL, AV_LOG_ERROR, "Failed to release output buffer\n");
ret = AVERROR_EXTERNAL;
}
return ret;
}
int ff_mediacodec_dec_decode(AVCodecContext *avctx, MediaCodecDecContext *s,
AVFrame *frame, int *got_frame,
AVPacket *pkt)
{
int ret;
int offset = 0;
int need_draining = 0;
uint8_t *data;
ssize_t index;
size_t size;
FFAMediaCodec *codec = s->codec;
FFAMediaCodecBufferInfo info = { 0 };
int status;
int64_t input_dequeue_timeout_us = INPUT_DEQUEUE_TIMEOUT_US;
int64_t output_dequeue_timeout_us = OUTPUT_DEQUEUE_TIMEOUT_US;
if (s->flushing) {
av_log(avctx, AV_LOG_ERROR, "Decoder is flushing and cannot accept new buffer "
"until all output buffers have been released\n");
return AVERROR_EXTERNAL;
}
if (pkt->size == 0) {
need_draining = 1;
}
if (s->draining && s->eos) {
return 0;
}
while (offset < pkt->size || (need_draining && !s->draining)) {
index = ff_AMediaCodec_dequeueInputBuffer(codec, input_dequeue_timeout_us);
if (ff_AMediaCodec_infoTryAgainLater(codec, index)) {
break;
}
if (index < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to dequeue input buffer (status=%zd)\n", index);
return AVERROR_EXTERNAL;
}
data = ff_AMediaCodec_getInputBuffer(codec, index, &size);
if (!data) {
av_log(avctx, AV_LOG_ERROR, "Failed to get input buffer\n");
return AVERROR_EXTERNAL;
}
if (need_draining) {
int64_t pts = pkt->pts;
uint32_t flags = ff_AMediaCodec_getBufferFlagEndOfStream(codec);
if (s->surface) {
pts = av_rescale_q(pts, avctx->pkt_timebase, av_make_q(1, 1000000));
}
av_log(avctx, AV_LOG_DEBUG, "Sending End Of Stream signal\n");
status = ff_AMediaCodec_queueInputBuffer(codec, index, 0, 0, pts, flags);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to queue input empty buffer (status = %d)\n", status);
return AVERROR_EXTERNAL;
}
s->draining = 1;
break;
} else {
int64_t pts = pkt->pts;
size = FFMIN(pkt->size - offset, size);
memcpy(data, pkt->data + offset, size);
offset += size;
if (s->surface && avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
pts = av_rescale_q(pts, avctx->pkt_timebase, av_make_q(1, 1000000));
}
status = ff_AMediaCodec_queueInputBuffer(codec, index, 0, size, pts, 0);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to queue input buffer (status = %d)\n", status);
return AVERROR_EXTERNAL;
}
}
}
if (need_draining || s->draining) {
/* If the codec is flushing or need to be flushed, block for a fair
* amount of time to ensure we got a frame */
output_dequeue_timeout_us = OUTPUT_DEQUEUE_BLOCK_TIMEOUT_US;
} else if (s->dequeued_buffer_nb == 0) {
/* If the codec hasn't produced any frames, do not block so we
* can push data to it as fast as possible, and get the first
* frame */
output_dequeue_timeout_us = 0;
}
index = ff_AMediaCodec_dequeueOutputBuffer(codec, &info, output_dequeue_timeout_us);
if (index >= 0) {
int ret;
if (!s->first_buffer++) {
av_log(avctx, AV_LOG_DEBUG, "Got first buffer after %fms\n", (av_gettime() - s->first_buffer_at) / 1000);
}
av_log(avctx, AV_LOG_DEBUG, "Got output buffer %zd"
" offset=%" PRIi32 " size=%" PRIi32 " ts=%" PRIi64
" flags=%" PRIu32 "\n", index, info.offset, info.size,
info.presentationTimeUs, info.flags);
if (info.flags & ff_AMediaCodec_getBufferFlagEndOfStream(codec)) {
s->eos = 1;
}
if (info.size) {
if (s->surface) {
if ((ret = mediacodec_wrap_hw_buffer(avctx, s, index, &info, frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
return ret;
}
} else {
data = ff_AMediaCodec_getOutputBuffer(codec, index, &size);
if (!data) {
av_log(avctx, AV_LOG_ERROR, "Failed to get output buffer\n");
return AVERROR_EXTERNAL;
}
if ((ret = mediacodec_wrap_sw_buffer(avctx, s, data, size, index, &info, frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
return ret;
}
}
*got_frame = 1;
s->dequeued_buffer_nb++;
} else {
status = ff_AMediaCodec_releaseOutputBuffer(codec, index, 0);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
}
}
} else if (ff_AMediaCodec_infoOutputFormatChanged(codec, index)) {
char *format = NULL;
if (s->format) {
status = ff_AMediaFormat_delete(s->format);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to delete MediaFormat %p\n", s->format);
}
}
s->format = ff_AMediaCodec_getOutputFormat(codec);
if (!s->format) {
av_log(avctx, AV_LOG_ERROR, "Failed to get output format\n");
return AVERROR_EXTERNAL;
}
format = ff_AMediaFormat_toString(s->format);
if (!format) {
return AVERROR_EXTERNAL;
}
av_log(avctx, AV_LOG_INFO, "Output MediaFormat changed to %s\n", format);
av_freep(&format);
if ((ret = mediacodec_dec_parse_format(avctx, s)) < 0) {
return ret;
}
} else if (ff_AMediaCodec_infoOutputBuffersChanged(codec, index)) {
ff_AMediaCodec_cleanOutputBuffers(codec);
} else if (ff_AMediaCodec_infoTryAgainLater(codec, index)) {
if (s->draining) {
av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer within %" PRIi64 "ms "
"while draining remaining frames, output will probably lack frames\n",
output_dequeue_timeout_us / 1000);
} else {
av_log(avctx, AV_LOG_DEBUG, "No output buffer available, try again later\n");
}
} else {
av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer (status=%zd)\n", index);
return AVERROR_EXTERNAL;
}
return offset;
}
static int mediacodec_wrap_hw_buffer(AVCodecContext *avctx,
MediaCodecDecContext *s,
ssize_t index,
FFAMediaCodecBufferInfo *info,
AVFrame *frame)
{
int ret = 0;
int status = 0;
AVMediaCodecBuffer *buffer = NULL;
frame->buf[0] = NULL;
frame->width = avctx->width;
frame->height = avctx->height;
frame->format = avctx->pix_fmt;
if (avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
frame->pts = av_rescale_q(info->presentationTimeUs,
av_make_q(1, 1000000),
avctx->pkt_timebase);
} else {
frame->pts = info->presentationTimeUs;
}
#if FF_API_PKT_PTS
FF_DISABLE_DEPRECATION_WARNINGS
frame->pkt_pts = frame->pts;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
frame->pkt_dts = AV_NOPTS_VALUE;
buffer = av_mallocz(sizeof(AVMediaCodecBuffer));
if (!buffer) {
ret = AVERROR(ENOMEM);
goto fail;
}
buffer->released = 0;
frame->buf[0] = av_buffer_create(NULL,
0,
mediacodec_buffer_release,
buffer,
AV_BUFFER_FLAG_READONLY);
if (!frame->buf[0]) {
ret = AVERROR(ENOMEM);
goto fail;
}
buffer->ctx = s;
ff_mediacodec_dec_ref(s);
buffer->index = index;
buffer->pts = info->presentationTimeUs;
frame->data[3] = (uint8_t *)buffer;
return 0;
fail:
av_freep(buffer);
av_buffer_unref(&frame->buf[0]);
status = ff_AMediaCodec_releaseOutputBuffer(s->codec, index, 0);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
ret = AVERROR_EXTERNAL;
}
return ret;
}
int ff_mediacodec_dec_receive(AVCodecContext *avctx, MediaCodecDecContext *s,
AVFrame *frame, bool wait)
{
int ret;
uint8_t *data;
ssize_t index;
size_t size;
FFAMediaCodec *codec = s->codec;
FFAMediaCodecBufferInfo info = { 0 };
int status;
int64_t output_dequeue_timeout_us = OUTPUT_DEQUEUE_TIMEOUT_US;
if (s->draining && s->eos) {
return AVERROR_EOF;
}
if (s->draining) {
/* If the codec is flushing or need to be flushed, block for a fair
* amount of time to ensure we got a frame */
output_dequeue_timeout_us = OUTPUT_DEQUEUE_BLOCK_TIMEOUT_US;
} else if (s->output_buffer_count == 0 || !wait) {
/* If the codec hasn't produced any frames, do not block so we
* can push data to it as fast as possible, and get the first
* frame */
output_dequeue_timeout_us = 0;
}
index = ff_AMediaCodec_dequeueOutputBuffer(codec, &info, output_dequeue_timeout_us);
if (index >= 0) {
av_log(avctx, AV_LOG_TRACE, "Got output buffer %zd"
" offset=%" PRIi32 " size=%" PRIi32 " ts=%" PRIi64
" flags=%" PRIu32 "\n", index, info.offset, info.size,
info.presentationTimeUs, info.flags);
if (info.flags & ff_AMediaCodec_getBufferFlagEndOfStream(codec)) {
s->eos = 1;
}
if (info.size) {
if (s->surface) {
if ((ret = mediacodec_wrap_hw_buffer(avctx, s, index, &info, frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
return ret;
}
} else {
data = ff_AMediaCodec_getOutputBuffer(codec, index, &size);
if (!data) {
av_log(avctx, AV_LOG_ERROR, "Failed to get output buffer\n");
return AVERROR_EXTERNAL;
}
if ((ret = mediacodec_wrap_sw_buffer(avctx, s, data, size, index, &info, frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
return ret;
}
}
s->output_buffer_count++;
return 0;
} else {
status = ff_AMediaCodec_releaseOutputBuffer(codec, index, 0);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
}
}
} else if (ff_AMediaCodec_infoOutputFormatChanged(codec, index)) {
char *format = NULL;
if (s->format) {
status = ff_AMediaFormat_delete(s->format);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to delete MediaFormat %p\n", s->format);
}
}
s->format = ff_AMediaCodec_getOutputFormat(codec);
if (!s->format) {
av_log(avctx, AV_LOG_ERROR, "Failed to get output format\n");
return AVERROR_EXTERNAL;
}
format = ff_AMediaFormat_toString(s->format);
if (!format) {
return AVERROR_EXTERNAL;
}
av_log(avctx, AV_LOG_INFO, "Output MediaFormat changed to %s\n", format);
av_freep(&format);
if ((ret = mediacodec_dec_parse_format(avctx, s)) < 0) {
return ret;
}
} else if (ff_AMediaCodec_infoOutputBuffersChanged(codec, index)) {
ff_AMediaCodec_cleanOutputBuffers(codec);
} else if (ff_AMediaCodec_infoTryAgainLater(codec, index)) {
if (s->draining) {
av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer within %" PRIi64 "ms "
"while draining remaining frames, output will probably lack frames\n",
output_dequeue_timeout_us / 1000);
} else {
av_log(avctx, AV_LOG_TRACE, "No output buffer available, try again later\n");
}
} else {
av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer (status=%zd)\n", index);
return AVERROR_EXTERNAL;
}
return AVERROR(EAGAIN);
}
