mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-18 14:26:43 +00:00
omxvideodec: Add support for converting between omx and gst rowstrides
This commit is contained in:
Sebastian Dröge
parent
51dbc82ef4
commit
9377aefb87
1 changed files with 138 additions and 26 deletions
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@ -414,6 +414,135 @@ _find_nearest_frame (GstOMXVideoDec * self, GstOMXBuffer * buf)
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return best;
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}
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static gboolean
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gst_omx_video_dec_fill_buffer (GstOMXVideoDec * self, GstOMXBuffer * inbuf,
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GstBuffer * outbuf)
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{
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GstVideoState *state = &GST_BASE_VIDEO_CODEC (self)->state;
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OMX_PARAM_PORTDEFINITIONTYPE *port_def = &self->out_port->port_def;
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gboolean ret = FALSE;
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if (state->width != port_def->format.video.nFrameWidth ||
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state->height != port_def->format.video.nFrameHeight) {
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GST_ERROR_OBJECT (self, "Width or height do not match");
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goto done;
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}
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/* Same strides and everything */
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if (GST_BUFFER_SIZE (outbuf) == inbuf->omx_buf->nFilledLen) {
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memcpy (GST_BUFFER_DATA (outbuf),
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inbuf->omx_buf->pBuffer + inbuf->omx_buf->nOffset,
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inbuf->omx_buf->nFilledLen);
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ret = TRUE;
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goto done;
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}
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/* Different strides */
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switch (state->format) {
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case GST_VIDEO_FORMAT_I420:{
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gint i, j, height;
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guint8 *src, *dest;
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gint src_stride, dest_stride;
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for (i = 0; i < 3; i++) {
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if (i == 0) {
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src_stride = port_def->format.video.nStride;
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dest_stride =
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gst_video_format_get_row_stride (state->format, 0, state->width);
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} else {
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src_stride = port_def->format.video.nStride / 2;
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dest_stride =
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gst_video_format_get_row_stride (state->format, 1, state->width);
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}
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src = inbuf->omx_buf->pBuffer + inbuf->omx_buf->nOffset;
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if (i > 0)
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src +=
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port_def->format.video.nSliceHeight *
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port_def->format.video.nStride;
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if (i == 2)
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src +=
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(port_def->format.video.nSliceHeight / 2) *
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(port_def->format.video.nStride / 2);
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dest =
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GST_BUFFER_DATA (outbuf) +
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gst_video_format_get_component_offset (state->format, i,
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state->width, state->height);
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height =
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gst_video_format_get_component_height (state->format, i,
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state->height);
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for (j = 0; j < height; j++) {
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memcpy (dest, src, MIN (src_stride, dest_stride));
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src += src_stride;
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dest += dest_stride;
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}
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}
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ret = TRUE;
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break;
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}
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case GST_VIDEO_FORMAT_NV12:{
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gint i, j, height;
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guint8 *src, *dest;
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gint src_stride, dest_stride;
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for (i = 0; i < 2; i++) {
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if (i == 0) {
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src_stride = port_def->format.video.nStride;
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dest_stride =
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gst_video_format_get_row_stride (state->format, 0, state->width);
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} else {
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src_stride = port_def->format.video.nStride;
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dest_stride =
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gst_video_format_get_row_stride (state->format, 1, state->width);
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}
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src = inbuf->omx_buf->pBuffer + inbuf->omx_buf->nOffset;
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if (i == 1)
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src +=
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port_def->format.video.nSliceHeight *
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port_def->format.video.nStride;
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dest =
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GST_BUFFER_DATA (outbuf) +
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gst_video_format_get_component_offset (state->format, i,
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state->width, state->height);
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height =
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gst_video_format_get_component_height (state->format, i,
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state->height);
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for (j = 0; j < height; j++) {
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memcpy (dest, src, MIN (src_stride, dest_stride));
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src += src_stride;
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dest += dest_stride;
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}
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}
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ret = TRUE;
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break;
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}
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default:
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GST_ERROR_OBJECT (self, "Unsupported format");
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goto done;
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break;
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}
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done:
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if (ret) {
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GST_BUFFER_TIMESTAMP (outbuf) =
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gst_util_uint64_scale (inbuf->omx_buf->nTimeStamp, GST_SECOND,
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OMX_TICKS_PER_SECOND);
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if (inbuf->omx_buf->nTickCount != 0)
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GST_BUFFER_DURATION (outbuf) =
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gst_util_uint64_scale (inbuf->omx_buf->nTickCount, GST_SECOND,
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OMX_TICKS_PER_SECOND);
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}
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return ret;
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}
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static void
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gst_omx_video_dec_loop (GstOMXVideoDec * self)
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{
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@ -460,6 +589,7 @@ gst_omx_video_dec_loop (GstOMXVideoDec * self)
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state->width = port_def.format.video.nFrameWidth;
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state->height = port_def.format.video.nFrameHeight;
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/* FIXME XXX: Bellagio does not set this to something useful... */
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/* gst_util_double_to_fraction (port_def.format.video.xFramerate / ((gdouble) 0xffff), &state->fps_n, &state->fps_d); */
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if (!gst_base_video_decoder_set_src_caps (GST_BASE_VIDEO_DECODER (self))) {
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@ -491,23 +621,10 @@ gst_omx_video_dec_loop (GstOMXVideoDec * self)
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outbuf =
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gst_base_video_decoder_alloc_src_buffer (GST_BASE_VIDEO_DECODER (self));
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if (GST_BUFFER_SIZE (outbuf) >= buf->omx_buf->nFilledLen) {
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memcpy (GST_BUFFER_DATA (outbuf),
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buf->omx_buf->pBuffer + buf->omx_buf->nOffset,
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buf->omx_buf->nFilledLen);
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GST_BUFFER_TIMESTAMP (outbuf) =
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gst_util_uint64_scale (buf->omx_buf->nTimeStamp, GST_SECOND,
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OMX_TICKS_PER_SECOND);
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if (buf->omx_buf->nTickCount != 0)
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GST_BUFFER_DURATION (outbuf) =
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gst_util_uint64_scale (buf->omx_buf->nTickCount, GST_SECOND,
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OMX_TICKS_PER_SECOND);
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flow_ret = gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (self), outbuf);
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} else {
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GST_ERROR_OBJECT (self, "Invalid frame size (%u < %u)",
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GST_BUFFER_SIZE (outbuf), buf->omx_buf->nFilledLen);
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if (!gst_omx_video_dec_fill_buffer (self, buf, outbuf)) {
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gst_buffer_unref (outbuf);
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goto invalid_frame_size;
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goto invalid_buffer;
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}
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} else if (buf->omx_buf->nFilledLen > 0) {
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if (GST_BASE_VIDEO_CODEC (self)->state.bytes_per_picture == 0) {
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@ -524,17 +641,11 @@ gst_omx_video_dec_loop (GstOMXVideoDec * self)
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* We first need to reconfigure the output port and then the input
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* port if both need reconfiguration.
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*/
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if (GST_BUFFER_SIZE (frame->src_buffer) >= buf->omx_buf->nFilledLen) {
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memcpy (GST_BUFFER_DATA (frame->src_buffer),
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buf->omx_buf->pBuffer + buf->omx_buf->nOffset,
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buf->omx_buf->nFilledLen);
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} else {
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GST_ERROR_OBJECT (self, "Invalid frame size (%u < %u)",
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GST_BUFFER_SIZE (frame->src_buffer), buf->omx_buf->nFilledLen);
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if (!gst_omx_video_dec_fill_buffer (self, buf, frame->src_buffer)) {
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gst_buffer_replace (&frame->src_buffer, NULL);
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gst_base_video_decoder_finish_frame (GST_BASE_VIDEO_DECODER (self),
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frame);
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goto invalid_frame_size;
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goto invalid_buffer;
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}
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}
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flow_ret =
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@ -601,9 +712,10 @@ reconfigure_error:
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gst_pad_pause_task (GST_BASE_VIDEO_CODEC_SRC_PAD (self));
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return;
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}
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invalid_frame_size:
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invalid_buffer:
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{
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GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL), ("Invalid frame size"));
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GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL),
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("Invalid sized input buffer"));
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gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (self),
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gst_event_new_eos ());
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gst_pad_pause_task (GST_BASE_VIDEO_CODEC_SRC_PAD (self));
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